{"title":"Flange Bearing Units","description":"\u003cp\u003eBrowse flange bearing units for PTO driveline applications at Titus Trucks Accessories. Flange bearing units mount to flat surfaces and support rotating shafts in PTO driveline systems. Find the right flange bearing unit for your truck's PTO shaft diameter and mounting configuration.\u003c\/p\u003e","products":[{"product_id":"2fs16-speader-and-jackshaft-2-bolt-flange-bearing","title":"2FS16 - Speader And Jackshaft 2 Bolt Flange Bearing","description":"\u003cp\u003eBuyers Products 2 Bolt Flange Bearing is perfect for spreaders, wreckers, and similar applications. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the pillow blocks rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The simple 2 hole mounting design makes installation easy even in tight places. Its set screw design ensures that shaft slippage is avoided.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.390\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eThe Buyers Products 2-Bolt Flange Bearing: An Engineering Deep Dive into Durability and Performance for Heavy-Duty Applications\u003c\/h2\u003e\n\u003cp\u003eThe Buyers Products 2-Bolt Flange Bearing represents a critical component in the reliable operation of heavy-duty machinery, particularly within power transmission systems found in demanding applications such as spreaders, wreckers, and various jackshaft assemblies. Engineered for robustness and longevity, this bearing unit integrates advanced material science with practical design considerations to deliver unparalleled performance in environments characterized by high loads, vibration, and exposure to corrosive elements.\u003c\/p\u003e\n\n\u003ch3\u003eCore Design Philosophy: Resilience Through Material Selection\u003c\/h3\u003e\n\u003cp\u003eAt the heart of this flange bearing's superior performance lies its meticulously chosen materials. The bearing insert, the primary element facilitating rotational movement, is crafted from \u003cstrong\u003eDriveline-Grade Carbon Steel\u003c\/strong\u003e. Carbon steel is renowned for its excellent balance of hardness, strength, and machinability, making it an ideal choice for bearing applications where consistent performance under significant stress is paramount. The term \"driveline-grade\" signifies that the steel has been specifically selected and processed to meet the stringent requirements of power transmission systems, which often involve transmitting substantial torque and handling radial and axial loads that can fluctuate rapidly. This specialized steel offers enhanced wear resistance, fatigue strength, and the capability to maintain its structural integrity over prolonged operational cycles, even in high-RPM scenarios common in many driveline setups.\u003c\/p\u003e\n\u003cp\u003eComplementing the robust bearing insert is a housing constructed from \u003cstrong\u003eCast Iron\u003c\/strong\u003e. Cast iron is an exemplary material for bearing housings due to its intrinsic properties. It possesses a high compressive strength, superior vibration damping capabilities, and excellent dimensional stability. In harsh operational environments, the cast iron housing provides a rigid, protective enclosure for the bearing insert, shielding it from external impacts, debris ingress, and environmental contaminants. Its inherent mass contributes to the damping of dynamic loads and vibrations, thereby reducing noise, minimizing wear on the bearing insert, and extending the overall lifespan of the assembly. The ruggedness imparted by the cast iron housing ensures that the pillow block can withstand the severe mechanical stresses and potential abuse often encountered in applications like spreaders and wreckers, where accidental impacts or rough handling are not uncommon.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Bearing Mechanics: Self-Aligning Capability and Reduced Stress\u003c\/h3\u003e\n\u003cp\u003eA key technical feature differentiating this product is its \u003cstrong\u003eSelf-Aligning Bearing Insert Type\u003c\/strong\u003e. In real-world applications, perfect alignment between a shaft and its bearing supports is exceedingly difficult to achieve and maintain. Manufacturing tolerances, structural deflections under load, thermal expansion, and mounting inaccuracies can all contribute to shaft misalignment. A conventional rigid bearing, when subjected to misalignment, will experience localized stress concentrations, leading to premature wear, increased friction, higher operating temperatures, and ultimately, catastrophic failure. The self-aligning design ingeniously compensates for these misalignments. The spherical outer surface of the bearing insert allows it to pivot slightly within the housing, accommodating angular deviations of the shaft up to a certain degree. This ability to adjust dynamically ensures that the load is distributed evenly across the rolling elements, preventing edge loading and localized stress. The benefits are profound: significantly extended bearing life, reduced operational noise, lower power consumption due to decreased friction, and enhanced reliability of the entire rotating system. For jackshafts and drivelines that may experience structural flex or imprecise mounting, the self-aligning feature is invaluable for ensuring long-term operational integrity.\u003c\/p\u003e\n\n\u003ch3\u003eSecure Shaft Retention: The Set Screw Locking Mechanism\u003c\/h3\u003e\n\u003cp\u003eThe integrity of any power transmission system hinges on the secure attachment of rotating components to their respective shafts. The Buyers Products Flange Bearing employs a \u003cstrong\u003eSet Screw Locking Type\u003c\/strong\u003e to ensure precise and unwavering shaft retention. This mechanism involves a set screw, typically located on the inner ring of the bearing, which is tightened directly against the shaft. The pointed or cup-shaped tip of the set screw creates a localized indentation on the shaft surface, creating a positive lock that effectively prevents relative motion between the shaft and the bearing's inner ring. This positive engagement is crucial for transmitting torque efficiently and preventing shaft slippage, which can lead to excessive wear, fretting corrosion, loss of power, and potential safety hazards. The set screw design offers several practical advantages: it is relatively simple to install and adjust, provides a firm grip, and can be easily accessed for maintenance or shaft replacement. Its reliability in maintaining concentricity and preventing unwanted rotational or axial movement makes it an excellent choice for applications where stable power transmission is paramount, such as driving spreader mechanisms or operating PTOs on wrecker vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eEngineered for Ease of Maintenance: The Greasable Feature\u003c\/h3\u003e\n\u003cp\u003eProper lubrication is the lifeblood of any bearing, critical for minimizing friction, dissipating heat, and flushing out contaminants. Recognizing the importance of proactive maintenance in demanding industrial and mobile applications, this flange bearing is designed to be fully \u003cstrong\u003eGreasable (Yes)\u003c\/strong\u003e. It incorporates a readily accessible grease fitting, typically a Zerk fitting, which allows for convenient periodic replenishment of lubricant. This feature empowers maintenance personnel to inject fresh grease directly into the bearing, ensuring that the rolling elements and raceways remain adequately lubricated. Regular greasing not only reduces wear and tear, thereby extending the bearing's service life, but also helps to create a protective barrier against moisture, dust, and other environmental aggressors. In corrosive environments, such as those encountered by salt spreaders, fresh grease can help to displace existing moisture and contaminants, preventing rust and preserving operational smoothness. The ease of maintenance afforded by the greasable design significantly contributes to reducing downtime, lowering long-term operational costs, and maintaining peak performance throughout the bearing's extensive service life.\u003c\/p\u003e\n\n\u003ch3\u003eStreamlined Installation and Mounting Versatility: The 2-Bolt Flange Design\u003c\/h3\u003e\n\u003cp\u003eEfficiency in installation and adaptability to various mounting configurations are crucial considerations in equipment design and maintenance. This Buyers Products bearing features a straightforward \u003cstrong\u003e2 Hole Bolt Pattern\u003c\/strong\u003e. The simple 2-bolt flange design simplifies the mounting process, requiring fewer fasteners and often less precise alignment compared to multi-bolt or more complex mounting styles. The \u003cstrong\u003eBolt Hole Center to Center dimension of 3.000 inches\u003c\/strong\u003e and a \u003cstrong\u003eBolt Size of 0.375 inches\u003c\/strong\u003e (with a \u003cstrong\u003eBolt Hole Diameter S of 0.390 inches\u003c\/strong\u003e) provide standardized dimensions for easy integration into existing designs or new fabrications. The compact nature of the 2-hole flange, combined with its optimized \u003cstrong\u003eOverall Height of 2.63 inches\u003c\/strong\u003e and \u003cstrong\u003eOverall Width of 3.75 inches\u003c\/strong\u003e, makes it particularly suitable for installation in tight or confined spaces where larger, more elaborate bearing units might not fit. This ease of installation translates directly into reduced labor time and costs during initial assembly or subsequent replacement, making it a highly practical choice for fleet operators and equipment manufacturers alike. The robust mounting interface ensures that the bearing remains securely fixed, even under significant dynamic loads and vibrations.\u003c\/p\u003e\n\n\u003ch3\u003eApplications: Where Robustness Meets Reliability\u003c\/h3\u003e\n\u003cp\u003eThe \"Speader And Jackshaft 2 Bolt Flange Bearing\" title succinctly defines its primary areas of application. Its design characteristics are perfectly aligned with the rigorous demands of:\u003c\/p\u003e\n\u003col\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eSpreaders:\u003c\/strong\u003e Whether agricultural spreaders distributing fertilizers and seeds, or municipal salt\/sand spreaders combating icy conditions, these machines operate in extremely challenging environments. They are exposed to corrosive materials, abrasive particles, wide temperature fluctuations, and often significant impact loads. The bearing's cast iron housing provides excellent corrosion resistance and protection against material ingress, while the carbon steel insert ensures durable rotation. The greasable design allows for easy flushing of contaminants, essential for maintaining functionality in such applications. The robust construction ensures uninterrupted operation during critical tasks.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eJackshafts:\u003c\/strong\u003e Jackshafts are intermediate shafts used in power transmission systems to transfer torque and rotation between other shafts, often involving changes in speed or direction. They are integral to driveline mechanisms in various industrial and mobile equipment. The self-aligning feature of this bearing is particularly beneficial for jackshafts, as they can be subject to dynamic deflections and potential misalignments from connected components. The set screw locking mechanism ensures that the jackshaft remains securely coupled, preventing slippage that could compromise power transfer efficiency and system integrity. Its driveline-grade materials are specifically chosen to handle the continuous loads and stresses inherent in these roles.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eWreckers and Tow Trucks:\u003c\/strong\u003e These vehicles operate under immense intermittent loads, experiencing significant shock and vibration as they hoist, tow, and recover heavy objects. The bearing's rugged cast iron housing and strong carbon steel insert are built to withstand these punishing conditions. Its critical role can be found in various auxiliary systems, such as PTO-driven winches, booms, or hydraulic pump drives, where secure shaft support is vital for safe and effective operation. The ease of maintenance and overall durability contribute significantly to the operational readiness and safety of these essential service vehicles.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        \u003cstrong\u003eSimilar Heavy-Duty Mobile and Industrial Equipment:\u003c\/strong\u003e Beyond these specific examples, the bearing's attributes make it suitable for a wide array of other demanding applications. This includes machinery in construction (e.g., small conveyors, auxiliary drives on excavators), mining (e.g., aggregate processing equipment), material handling (e.g., specialized conveyors, agitators), and general industrial environments where robust shaft support is required. Any application involving rotating shafts under substantial loads, where environmental factors like dust, moisture, or vibration are present, stands to benefit from the engineering integrity of this 2-bolt flange bearing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eTechnical Specifications and Their Implications\u003c\/h3\u003e\n\u003cp\u003eUnderstanding the detailed specifications provided is key to proper application and integration:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBore Diameter: 1.000 inches:\u003c\/strong\u003e This critical dimension dictates the diameter of the shaft that the bearing is designed to support. A precise fit ensures optimal performance, preventing both excessive clearance (which leads to vibration and wear) and insufficient clearance (which causes installation difficulties and binding).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverall Height: 2.63 inches \/ Overall Width: 3.75 inches:\u003c\/strong\u003e These dimensions define the physical envelope of the bearing unit, crucial for designers and installers to ensure adequate clearance within the machine's structure, especially in space-constrained applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBolt Hole Center to Center: 3.000 inches \/ Bolt Size: 0.375 inches \/ S (diagram\/Bolt Hole Diameter): 0.390 inches:\u003c\/strong\u003e These measurements are essential for mounting compatibility. The center-to-center distance ensures that the bolt holes align with the mounting surface, while the bolt size and hole diameter ensure proper fastener selection and fit, guaranteeing a secure and rigid attachment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConclusion: A Commitment to Reliability and Performance\u003c\/h3\u003e\n\u003cp\u003eThe Buyers Products 2-Bolt Flange Bearing is not merely a component; it is a meticulously engineered solution designed to confront and overcome the operational challenges inherent in heavy-duty applications. Its strategic combination of a driveline-grade carbon steel insert, a rugged cast iron housing, self-aligning capabilities, a secure set screw locking mechanism, and a user-friendly greasable design culminates in a product that offers exceptional durability, reliability, and ease of maintenance. For professionals in industries ranging from fleet management to heavy equipment manufacturing, selecting this flange bearing means investing in reduced downtime, prolonged operational life, enhanced safety, and ultimately, a superior return on investment. It stands as a testament to engineering excellence, providing unwavering support for the crucial rotating elements that drive the world's most demanding machinery.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449338777971,"sku":"2FS16","price":18.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2FS16_front_20copy_78ca419e-961e-4460-b989-c027e643228a.jpg?v=1768840234"},{"product_id":"2f12-3-4-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-2-hole","title":"2F12 - 3\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 2 Hole","description":"\u003cp\u003eBuyers Products Eccentric Locking Collar Style Flange Bearings are equipped to handle high-speed applications without risking drive shaft slippage. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 2 bolt mounting design makes installation easy even in tight places. The eccentric locking collar means that the drive shaft will not slip, even at high RPMs. The flange bearing has a self-aligning design that allows for a small amount of shaft misalignment.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.712\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.531\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border=1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eEccentric Lock Collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.78\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.406\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eThe 3\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 2 Hole is a meticulously engineered power transmission component designed to deliver uncompromised performance and reliability in demanding industrial applications. This product represents a synthesis of robust material selection, precision manufacturing, and intelligent mechanical design, ensuring optimal operation for rotating shafts. Its fundamental purpose is to provide stable, low-friction rotational support for a drive shaft, maintaining precise alignment and preventing slippage even under strenuous operating conditions, including high speeds and dynamic loads.\u003c\/p\u003e\u003cp\u003eAt the core of this bearing's exceptional performance is its eccentric locking collar mechanism. Unlike traditional set screw locking methods, which rely on localized pressure points and can potentially damage the shaft or lead to fretting corrosion, the eccentric collar provides a concentric, 360-degree grip. The inner ring of the bearing features an eccentric bore, and a corresponding eccentric collar is designed to mate with it. During installation, as the collar is rotated relative to the inner ring, a camming action occurs, generating a powerful wedging effect that creates a concentric interference fit around the shaft. This uniform clamping force significantly enhances the shaft's security within the bearing, virtually eliminating the risk of slippage, even when subjected to substantial torsional forces, vibrations, or rapid changes in speed and direction. This superior locking method is particularly critical in applications where shaft integrity is paramount and where the consequences of slippage could range from equipment damage to operational downtime. The concentric grip also minimizes shaft deformation and localized stress concentrations, contributing to prolonged shaft life and reduced maintenance requirements.\u003c\/p\u003e\u003cp\u003eThe bearing insert itself is constructed from high-quality carbon steel, a material chosen for its exceptional mechanical properties pertinent to bearing applications. Carbon steel offers a formidable combination of high tensile strength, excellent wear resistance, and the capability to achieve significant hardness through heat treatment processes. This \"driveline-grade\" steel ensures that the rolling elements and raceways can withstand the continuous stress of rotational movement, cyclic loading, and the inevitable friction inherent in bearing operation. The metallurgical composition of carbon steel, with its precise carbon content, is optimized to provide the necessary toughness and fatigue resistance for extended service life in power transmission systems, which often operate in challenging industrial environments. This material choice directly translates into a bearing insert capable of sustaining heavy radial and axial loads, exhibiting superior resistance to abrasive wear, and maintaining dimensional stability under varying thermal conditions.\u003c\/p\u003e\u003cp\u003eComplementing the robust bearing insert is the self-aligning design, a critical feature for practical industrial installations. The outer diameter of the bearing insert is spherically ground, designed to perfectly match a corresponding spherical bore within the cast iron housing. This ingenious design allows the inner ring, rolling elements, and outer ring assembly to pivot slightly within the housing, accommodating initial shaft misalignments that can arise from fabrication tolerances, mounting surface irregularities, or structural deflections during operation. The capacity to self-align up to a specified angular deviation (typically a few degrees) prevents the detrimental effects of edge loading on the rolling elements and raceways, which would otherwise lead to premature bearing failure, increased friction, and excessive heat generation. By distributing the load evenly across the rolling elements, the self-aligning feature significantly extends bearing life, reduces operational noise and vibration, and simplifies the installation process by allowing for minor deviations without compromising performance.\u003c\/p\u003e\u003cp\u003eThe housing of this flange bearing is precision-cast from durable cast iron. Cast iron is an ideal material for bearing housings due to its high compressive strength, excellent vibration dampening characteristics, and inherent rigidity. These properties are crucial for providing a stable and unyielding platform for the bearing insert, ensuring that the critical internal clearances and alignments are maintained under load. The mass and structural integrity of the cast iron housing also contribute to its ability to absorb and dissipate operational vibrations, leading to smoother and quieter machinery operation. Furthermore, cast iron exhibits good corrosion resistance in many industrial environments and offers an economical solution for creating complex shapes with high dimensional accuracy. The flange design, specifically a 2-hole configuration, provides a secure and straightforward mounting interface. The bolt holes are strategically placed with a center-to-center distance of 3.531 inches, designed to accommodate standard industrial mounting patterns using 0.375-inch bolts, making installation efficient and reliable even in spaces with limited access. The overall dimensions (Overall Depth: 1.78 inches, Overall Height: 2.38 inches, Overall Width: 4.41 inches) are optimized for a compact footprint while ensuring sufficient material strength for structural integrity.\u003c\/p\u003e\u003cp\u003eMaintenance considerations have been integrated into the design to ensure prolonged operational efficiency. The inclusion of a grease fitting, or zerk fitting, facilitates easy and effective re-lubrication of the bearing. Regular lubrication is paramount for the longevity and performance of any rolling element bearing. Grease serves multiple vital functions: it reduces friction between the rolling elements and raceways, thereby minimizing wear and heat generation; it forms a protective film that prevents direct metal-to-metal contact; and it acts as a sealant, preventing the ingress of contaminants such as dust, moisture, and abrasive particles into the critical internal components of the bearing. Periodic re-greasing through the readily accessible fitting ensures that the lubricant film is maintained, extending the bearing's service life, reducing energy consumption, and preventing unexpected failures that could lead to costly downtime. The greasable design signifies a commitment to user-friendly maintenance and optimal total cost of ownership.\u003c\/p\u003e\u003cp\u003eThe technical specifications detail the precise engineering of this component. The bore diameter of 0.750 inches (3\/4 inch) is a standard dimension, ensuring compatibility with a wide range of industrial shafts. The bolt hole diameter of 0.406 inches (S diagram) is precisely sized for robust fastening. The various diagrammatic dimensions such as Bi (1.712), G (0.44), I (0.75), K (1.250), and L (1.16) provide comprehensive geometric information for engineers and designers to accurately integrate this flange bearing into their machinery designs, ensuring proper fitment and performance predictability. These dimensions attest to the precision manufacturing standards applied to this product, guaranteeing interchangeability and consistent quality across units.\u003c\/p\u003e\u003cp\u003eThis flange bearing is ideally suited for a diverse array of power transmission applications where dependable shaft support, high-speed capability, and resistance to slippage are critical. Common applications include conveyor systems in material handling, where continuous operation at varying speeds is typical; agricultural machinery, which often operates in dusty environments and encounters shock loads; packaging equipment requiring precise and reliable motion; textile machinery demanding high RPM stability; and various light to medium industrial machines, fans, and pumps where effective power transfer is essential. Its robust construction and reliable locking mechanism make it particularly valuable in situations where traditional set-screw collars might fail or cause shaft damage, or where the slightest shaft movement could lead to operational inefficiencies or safety hazards. The combination of its eccentric locking collar, self-aligning capability, and rugged cast iron housing makes it an indispensable component for maintaining the integrity and efficiency of rotary systems.\u003c\/p\u003e\u003cp\u003eIn summary, the 3\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 2 Hole is a high-performance, precision-engineered component designed to meet the rigorous demands of industrial power transmission. Its eccentric locking mechanism provides a superior, concentric grip, ensuring no shaft slippage even under high RPMs and dynamic loads. The driveline-grade carbon steel bearing insert, coupled with a self-aligning feature, guarantees durability, accommodates minor misalignments, and extends operational life. Housed within a robust cast iron flange, this bearing offers exceptional stability and vibration dampening. With its standard 2-bolt mounting pattern and integrated grease fitting, it provides ease of installation and simplifies routine maintenance, leading to reduced downtime and a lower total cost of ownership. This bearing stands as a testament to advanced mechanical engineering, offering a reliable, efficient, and long-lasting solution for critical rotary support applications across numerous industries. Its meticulous design and material selection ensure that it will consistently deliver superior performance and contribute significantly to the overall reliability and efficiency of the machinery it supports.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449338909043,"sku":"2F12","price":16.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2FS16_front_e4325062-9120-472c-a7ed-444a5d79253f.jpg?v=1768840225"},{"product_id":"2f16-1-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-2-hole","title":"2F16 - 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 2 Hole","description":"\u003cp\u003eBuyers Products Eccentric Locking Collar Style Flange Bearings are equipped to handle high-speed applications without risking drive shaft slippage.    The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 2 bolt mounting design makes installation easy even in tight places. The eccentric locking collar means that the drive shaft will not slip, even at high RPMs.   The flange bearing has a self-aligning design that allows for a small amount of shaft misalignment.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.744\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.891\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.78\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eEccentric Lock Collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 2 Hole is a meticulously engineered component designed to meet the rigorous demands of industrial power transmission applications. This product represents a confluence of robust material selection, precision manufacturing, and innovative design, specifically tailored for environments where shaft stability and operational reliability are paramount. Its fundamental purpose is to provide steadfast rotational support for a 1-inch diameter shaft, ensuring consistent power transfer even under challenging operational parameters, including high speeds and intermittent shock loads.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Locking Mechanism: The Eccentric Collar Advantage\u003c\/h3\u003e\n\u003cp\u003eCentral to the superior performance of this flange bearing is its eccentric locking collar mechanism. Unlike conventional set screw locking methods, which rely on localized pressure points that can lead to shaft damage or slippage under torsional stress, the eccentric collar employs a more sophisticated principle. The collar features an eccentric bore that, when rotated relative to the inner ring of the bearing, creates a camming action. This action effectively wedges the inner ring against the shaft circumference, generating a secure 360-degree concentric grip. This circumferential clamping force ensures a vastly improved frictional bond between the shaft and the bearing, thereby eliminating the risk of slippage even during rapid acceleration, deceleration, or exposure to significant vibration and dynamic loads.\u003c\/p\u003e\n\u003cp\u003eThe benefits of this robust locking system are multifaceted. Firstly, it substantially reduces the potential for fretting corrosion, a common issue with set screw designs where micro-movements between the shaft and bearing bore lead to material degradation and premature failure. By establishing a firm, uniform grip, the eccentric collar minimizes relative motion. Secondly, its inherent resistance to loosening under dynamic conditions makes it ideal for high-speed applications where centrifugal forces and vibrational harmonics could compromise less secure locking mechanisms. The installation process for an eccentric collar is also streamlined; after positioning the bearing, a simple tap on the collar in the direction of shaft rotation, followed by tightening a set screw, achieves the desired lock, simplifying maintenance and installation procedures without requiring specialized tools or highly skilled personnel for routine tasks.\u003c\/p\u003e\n\n\u003ch3\u003eOptimized for 1-Inch Shaft Systems\u003c\/h3\u003e\n\u003cp\u003eThe 1.000-inch bore diameter of this flange bearing aligns with one of the most widely utilized shaft dimensions in industrial machinery. This standardization ensures broad compatibility across a vast array of equipment, simplifying replacement and design integration. The precision of the bore diameter is critical for achieving the specified fit with the shaft, which, in conjunction with the eccentric locking collar, guarantees optimal concentricity and minimizes run-out. The selection of a 1-inch shaft typically indicates applications requiring a balance of torque transmission capacity and rotational speed, where compact yet robust bearing support is essential. The design parameters of this bearing, including its load ratings and speed capabilities, are specifically engineered to complement the performance envelopes characteristic of machinery utilizing 1-inch diameter drive shafts.\u003c\/p\u003e\n\n\u003ch3\u003eStructural Integrity: Cast Iron Housing and 2-Hole Flange Configuration\u003c\/h3\u003e\n\u003cp\u003eThe bearing insert is housed within a rugged cast iron flange, a material choice driven by its exceptional mechanical properties suitable for demanding industrial environments. Cast iron, particularly gray cast iron, is renowned for its high compressive strength, excellent vibration damping characteristics, and good machinability. The inherent microstructure of cast iron, with its graphite flakes, provides superior dampening capabilities, which effectively absorb and dissipate operational vibrations, thus contributing to quieter running and extended component life for both the bearing and the surrounding machinery. This robust housing material ensures the bearing can withstand significant static and dynamic loads without deformation or structural fatigue.\u003c\/p\u003e\n\u003cp\u003eThe flange housing is designed with a 2-hole bolt pattern, a common and highly practical mounting configuration. This design, with a Bolt Hole Center to Center dimension of 3.891 inches, facilitates straightforward and secure attachment to machine frames or structural components. The relatively compact nature of a 2-hole flange, combined with its robust mounting capability, makes it suitable for applications where space is at a premium (Overall Depth: 1.84 inches, Overall Height: 2.75 inches, Overall Width: 4.88 inches). The bolt holes themselves have a diameter (S) of 0.500 inches, accommodating bolts with a nominal diameter (Bolt Size) of 0.375 inches, ensuring a secure fastening when torqued correctly. The design ensures that the load is adequately distributed across the mounting surface, providing stable support for the rotating shaft assembly. The specific dimensional parameters, such as Bi (1.744 inches), G (0.53 inches), I (0.78 inches), K (1.500 inches), and L (1.22 inches), are crucial for engineers designing compatible mounting structures and for technicians during installation, ensuring precise fitment and optimal performance.\u003c\/p\u003e\n\n\u003ch3\u003eBearing Insert: Carbon Steel and Self-Aligning Design\u003c\/h3\u003e\n\u003cp\u003eThe core of this flange bearing features an insert crafted from high-grade carbon steel. Carbon steel is a preferred material for bearing components due to its excellent balance of hardness, wear resistance, and fatigue strength after appropriate heat treatment. The specific composition and heat treatment processes applied to the carbon steel rollers and races enhance its surface hardness, enabling it to withstand the continuous rolling contact stresses and abrasive wear inherent in bearing operation, while maintaining a tough, ductile core to resist shock loads and prevent brittle fracture. This material choice ensures a long service life and consistent performance under various load conditions, providing a cost-effective yet high-performance solution for general industrial applications. The compatibility of carbon steel with standard lubricating greases further contributes to its maintainability and operational efficiency.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the bearing insert incorporates a self-aligning design. This critical feature allows the bearing to compensate for both initial static misalignment and dynamic angular misalignments that may occur during operation due to shaft deflection, housing deformation, or imprecise mounting. The outer ring of the bearing insert is spherically ground, fitting into a corresponding spherical seat within the cast iron housing. This spherical geometry permits the inner ring and rolling elements to pivot slightly, maintaining optimal contact with the shaft despite minor angular deviations. The ability to self-align prevents the imposition of excessive edge stresses on the rolling elements, which would otherwise lead to premature fatigue and reduced bearing life. By accommodating these misalignments, the self-aligning feature significantly extends the operational lifespan of the bearing and reduces the stress transferred to the shaft and other connected components, thereby enhancing overall system reliability and efficiency. This design is particularly advantageous in applications where achieving perfect shaft alignment is challenging or where slight structural shifts are anticipated.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Metrics and Operational Versatility\u003c\/h3\u003e\n\u003cp\u003eThis eccentric locking collar style flange bearing is engineered for high-speed applications, distinguishing it from general-purpose bearings. The robust locking mechanism, combined with the precision-manufactured carbon steel bearing insert, ensures that the shaft remains securely fixed, preventing slippage that could otherwise generate heat, wear, and compromise the integrity of power transmission at elevated RPMs. The self-aligning characteristic further enhances its high-speed performance by reducing internal stresses that can arise from dynamic shaft movements, thereby contributing to lower operating temperatures and reduced frictional losses.\u003c\/p\u003e\n\u003cp\u003eThe design also considers load-carrying capacity. While specific ratings depend on the application and operating conditions, the combination of a hardened carbon steel insert and a rigid cast iron housing provides substantial radial and axial load support. The overall dimensions (Overall Depth 1.84\", Overall Height 2.75\", Overall Width 4.88\") reflect a compact yet robust assembly capable of managing significant forces. The bearing's ability to maintain smooth operation under these loads is critical for minimizing vibration and noise, contributing to a more stable and efficient mechanical system. The robust construction and material selection contribute directly to the bearing's exceptional durability and extended L10 life, providing a reliable solution that minimizes downtime and maintenance costs over its operational lifespan.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance and Installation Protocol\u003c\/h3\u003e\n\u003cp\u003eEase of maintenance is a key design consideration, highlighted by the inclusion of a grease fitting. This feature simplifies the essential task of relubrication, which is paramount for achieving the bearing's full service life and maintaining optimal performance. The grease fitting allows for the controlled injection of fresh lubricant, ensuring that the rolling elements and raceways are continuously protected from friction, wear, and corrosion. Proper lubrication reduces operating temperatures, extends the life of the bearing components, and maintains the smooth, quiet operation of the shaft. Regular greasing intervals, determined by application specifics such as speed, load, and environmental factors, are easily accommodated through this accessible fitting, simplifying preventive maintenance routines.\u003c\/p\u003e\n\u003cp\u003eInstallation of this 2-hole flange bearing is designed for efficiency. The standard bolt pattern with a Bolt Hole Center to Center distance of 3.891 inches, designed for 0.375-inch bolts, allows for quick and secure mounting to pre-drilled surfaces. The precise dimensions provided, including the Bi, G, I, K, and L measurements, are vital for ensuring accurate physical integration into machine designs. Once the housing is securely bolted, the shaft is inserted into the bearing bore. The eccentric collar is then rotated in the direction of shaft rotation until it firmly grips the shaft, a process typically completed with a light tap, followed by tightening a small set screw on the collar to prevent reverse rotation and ensure the lock remains engaged. This straightforward installation process reduces labor time and complexity, making the bearing an attractive option for both new equipment builds and field replacements, even in confined or challenging installation environments.\u003c\/p\u003e\n\n\u003ch3\u003eApplications and Industry Relevance\u003c\/h3\u003e\n\u003cp\u003eThe technical specifications and robust design of the 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing make it an ideal choice across a wide spectrum of industrial applications. Its ability to handle high speeds and secure shafts against slippage makes it particularly well-suited for conveyor systems, where continuous motion and varying loads are common. Other prominent applications include agricultural machinery, such as cultivators, harvesters, and irrigation equipment, where ruggedness, resistance to environmental contaminants, and self-alignment capabilities are highly valued. Furthermore, it finds extensive use in material handling equipment, industrial fans, textile machinery, packaging lines, and various general power transmission units where reliable rotary support for a 1-inch shaft is crucial. The combination of its secure locking mechanism, self-aligning feature, and durable construction ensures dependable performance in critical operational roles, underscoring its versatility and essential utility in modern industrial contexts.\u003c\/p\u003e\n\n\u003ch3\u003eCommitment to Quality and Performance\u003c\/h3\u003e\n\u003cp\u003eThis flange bearing is a testament to rigorous engineering and quality manufacturing standards. Every aspect, from the selection of carbon steel for the bearing insert and cast iron for the housing to the precise machining of the eccentric locking collar and the self-aligning outer race, is executed to deliver a product that exceeds industry expectations for performance and longevity. The specified dimensions and material properties are critical data points for engineers and designers, ensuring that the bearing can be seamlessly integrated into new systems or utilized as a direct, high-performance replacement component. By providing superior shaft retention, accommodating misalignment, and simplifying maintenance, this bearing offers a comprehensive solution for demanding rotational support requirements, reinforcing operational efficiency and minimizing total cost of ownership.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449338974579,"sku":"2F16","price":17.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2FS16_front_1edb82b4-8acb-4cbe-8e21-b7ebd2e62d02.jpg?v=1768840227"},{"product_id":"2f20-1-1-4-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-2-hole","title":"2F20 - 1-1\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 2 Hole","description":"\u003cp\u003eBuyers Products Eccentric Locking Collar Style Flange Bearings are equipped to handle high-speed applications without risking drive shaft slippage. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 2 bolt mounting design makes installation easy even in tight places. The eccentric locking collar means that the drive shaft will not slip, even at high RPMs. The flange bearing has a self-aligning design that allows for a small amount of shaft misalignment.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.438\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.188\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eEccentric Lock Collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e6.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.547\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe 1-1\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing is an engineered solution designed for high-performance industrial applications where robust shaft support, precise alignment, and steadfast rotational integrity are paramount. This bearing assembly embodies a sophisticated blend of material science, mechanical design, and application-specific optimization, making it an indispensable component in a wide array of machinery operating under demanding conditions. Its design addresses critical operational challenges such as shaft slippage, misalignment, and the need for simplified, yet effective, maintenance, thereby ensuring prolonged operational efficiency and reduced downtime.\u003c\/p\u003e\n\n\u003ch4\u003eFundamental Principles of Flange Bearing Design\u003c\/h4\u003e\n\u003cp\u003eFlange bearings, by their nature, are designed to provide robust support for rotating shafts when mounted perpendicular to the shaft's axis, typically onto a machine frame or bulkhead. The term \"flange\" refers to the mounting face that allows the bearing housing to be bolted securely to a flat surface. This particular model features a 2-hole bolt pattern, which is strategically chosen for its balance of secure mounting and installation flexibility. A 2-hole configuration, with a Bolt Hole Center to Center dimension of 5.125 inches and a Bolt Hole Diameter (S) of 0.547 inches, offers sufficient stability for a bearing supporting a 1.250-inch bore shaft, while often allowing for easier alignment and fit in confined spaces compared to multi-bolt patterns. The precise Bolt Size of 0.438 inches ensures a robust connection to the mounting surface, preventing undesirable movement or vibration transmission.\u003c\/p\u003e\n\n\u003ch4\u003eThe Eccentric Locking Collar Mechanism: A Technical Deep Dive\u003c\/h4\u003e\n\u003cp\u003eOne of the most distinguishing features of this bearing is its Eccentric Locking Collar. This mechanism represents a superior method for securing the bearing inner ring to the shaft, particularly advantageous in applications prone to high speeds, vibrations, or shock loads. Unlike set screw locking mechanisms, which rely on localized pressure points and can potentially damage the shaft or lead to fretting corrosion, the eccentric locking collar provides a concentric and uniform grip around the entire circumference of the shaft. The locking action is achieved by rotating an eccentric collar relative to a corresponding eccentric extension on the inner ring of the bearing. This rotation creates a wedging action that firmly grips the shaft. The inner ring itself often has an extended side, which when combined with the collar, forms a robust clamping force. This design ensures that even under rapid acceleration, deceleration, or dynamic loading, the shaft will not slip relative to the bearing, maintaining optimal power transmission and preventing premature wear to both the shaft and the bearing components.\u003c\/p\u003e\n\u003cp\u003eThe benefits of the eccentric locking collar extend beyond merely preventing slippage. The improved concentricity of the bearing on the shaft minimizes shaft runout, which in turn reduces vibration, noise, and heat generation. This leads to a smoother, more efficient operation and significantly contributes to the longevity of the bearing and adjacent machinery components. This concentric grip is particularly critical in applications where precise rotational accuracy is paramount, and any relative motion between the shaft and the bearing could compromise system performance.\u003c\/p\u003e\n\n\u003ch4\u003eMaterial Science: The Foundation of Durability\u003c\/h4\u003e\n\u003cp\u003eThe selection of materials for both the bearing insert and its housing is critical for the overall performance, durability, and reliability of the flange bearing. This product utilizes a carbon steel bearing insert within a cast iron housing, a combination chosen for its synergistic properties and proven track record in demanding industrial environments.\u003c\/p\u003e\n\n\u003ch5\u003eCarbon Steel Bearing Insert\u003c\/h5\u003e\n\u003cp\u003eThe bearing insert, the primary component responsible for facilitating smooth rotation, is manufactured from high-grade carbon steel. Carbon steel is selected for its exceptional mechanical properties, which include high tensile strength, excellent wear resistance, and good fatigue life. For bearing applications, carbon steel is typically heat-treated to achieve the desired hardness and microstructure, which are crucial for withstanding the continuous rolling and sliding contact stresses experienced during operation. The \"driveline-grade\" designation implies that the steel meets stringent material specifications for components subjected to torque transmission and dynamic loads, ensuring it can endure the stresses inherent in high-speed applications. Its inherent ability to be precisely machined allows for the tight tolerances necessary for bearing performance, while its surface can be polished to a low roughness, minimizing friction and optimizing lubricant effectiveness. The chemical composition, including carbon content, is carefully controlled to optimize hardenability and toughness, making the bearing insert resilient against both abrasive wear and impact loads.\u003c\/p\u003e\n\n\u003ch5\u003eCast Iron Housing\u003c\/h5\u003e\n\u003cp\u003eThe bearing insert is robustly housed within a cast iron body. Cast iron is an ideal material for bearing housings due to its unique combination of properties. Firstly, its excellent compressive strength provides a rigid and stable foundation for the bearing insert, ensuring that structural deformation under load is minimized. Secondly, cast iron possesses superior vibration damping characteristics. This inherent property helps to absorb and dissipate vibrations generated during operation, reducing noise levels and protecting the internal bearing components from excessive dynamic stresses. This is particularly beneficial in high-speed applications where vibrations can contribute to accelerated wear and fatigue. Furthermore, cast iron is readily machinable, allowing for the precise creation of the mounting flange and the spherical bore that accommodates the self-aligning bearing insert. Its relatively low cost and good resistance to atmospheric corrosion further enhance its suitability for industrial environments, contributing to the overall economic value and longevity of the bearing assembly.\u003c\/p\u003e\n\u003cp\u003eThe synergy between the carbon steel insert and the cast iron housing is vital. The hard, wear-resistant steel insert handles the direct rotational loads and friction, while the strong, vibration-damping cast iron housing provides the necessary structural support and protection from external forces, creating a durable and reliable unit.\u003c\/p\u003e\n\n\u003ch4\u003eSelf-Aligning Design: Mitigating Misalignment Stress\u003c\/h4\u003e\n\u003cp\u003eA critical feature enhancing the longevity and performance of this flange bearing is its self-aligning design. In real-world industrial installations, perfect shaft alignment is often an elusive goal due to factors such as manufacturing tolerances, thermal expansion of components, structural deflection under load, or even minor inaccuracies during installation. A rigid bearing, unable to accommodate such misalignments, would experience severe edge loading on its rolling elements, leading to concentrated stresses, increased friction, premature wear, and eventual catastrophic failure. The self-aligning capability addresses this by allowing the bearing insert to pivot slightly within its housing. This is typically achieved through a spherical outer surface on the bearing insert that mates with a corresponding spherical bore in the cast iron housing. This allows the inner ring and rolling elements to maintain proper alignment with the shaft, even if the shaft deviates slightly from the ideal axis or if the mounting surface is not perfectly planar.\u003c\/p\u003e\n\u003cp\u003eThe allowance for a \"small amount of shaft misalignment\" is not merely a convenience; it is a fundamental design principle that significantly extends bearing service life and improves overall system reliability. By distributing the load evenly across the rolling elements, the self-aligning feature prevents localized stress concentrations, reduces operational temperature, and minimizes the risk of fatigue failures. This capability is particularly valuable in long shaft applications or systems where precise mounting is challenging, providing a built-in forgiveness that safeguards against common installation and operational imperfections.\u003c\/p\u003e\n\n\u003ch4\u003eMaintenance and Operational Longevity: The Greasable Advantage\u003c\/h4\u003e\n\u003cp\u003eEase of maintenance is a key consideration for industrial components, directly impacting operational costs and system uptime. The inclusion of a grease fitting, indicating a \"Yes\" for Greasable, underscores a commitment to extend the bearing's service life through effective lubrication. Bearings rely heavily on a consistent and appropriate lubricant film to separate the rolling elements, reduce friction, dissipate heat, and protect against corrosion. Over time, lubricants degrade, become contaminated, or are expelled from the bearing. The grease fitting provides a convenient port for periodic re-lubrication, allowing fresh grease to be introduced into the bearing cavity, flushing out old, contaminated lubricant and replenishing the essential protective film. This simple maintenance procedure, when performed according to recommended schedules, dramatically enhances the bearing's reliability and operational lifespan. Proper lubrication ensures that the bearing continues to operate smoothly, efficiently, and quietly, minimizing power loss due to friction and preventing catastrophic failures caused by metal-on-metal contact.\u003c\/p\u003e\n\u003cp\u003eThe greasable design also contributes to environmental protection by allowing for the use of specific lubricants tailored to operating conditions, such as extreme temperatures, high loads, or corrosive environments. Regular lubrication schedules, determined by factors such as speed, load, temperature, and environmental contamination, are critical. Predictive maintenance strategies, often incorporating vibration analysis or temperature monitoring, can further optimize lubrication intervals, ensuring that the bearing receives lubricant precisely when needed, preventing both under-lubrication and over-lubrication, both of which can be detrimental.\u003c\/p\u003e\n\n\u003ch4\u003eDimensional Integrity and Installation Considerations\u003c\/h4\u003e\n\u003cp\u003eThe precise dimensions of the 1-1\/4 inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing are engineered for seamless integration into various machinery designs. The 1.250-inch bore diameter is a standard size, indicating compatibility with a broad range of industrial shafts. Dimensions such as Overall Depth (2.13 inches), Overall Height (3.75 inches), and Overall Width (6.13 inches) provide crucial spatial information for designers and installers, ensuring the bearing can fit within specified envelopes without interference. The precise bolt hole specifications, including the 5.125-inch Bolt Hole Center to Center distance and the 0.547-inch Bolt Hole Diameter for a 0.438-inch Bolt Size, are essential for secure and accurate mounting. These dimensions enable engineers to design appropriate mounting structures and ensure that the bearing is properly secured, preventing any rotational or translational movement of the housing during operation. Proper torquing of the mounting bolts to the manufacturer's specifications is paramount to achieve the desired rigidity and load distribution, further enhancing the overall stability and performance of the shaft support system.\u003c\/p\u003e\n\u003cp\u003eThe \"Bi (Diagram)\" of 2.011, \"G (diagram)\" of 0.56, \"I (diagram)\" of 0.84, \"K (Diagram)\" of 2.188, and \"L (diagram)\" of 1.44 refer to specific dimensions crucial for detailed engineering and fit-up. These measurements provide the granular detail necessary for component inter-compatibility, assembly planning, and ensuring proper clearances and structural integrity within the broader machine design. For instance, \"K\" might represent the height from the mounting surface to the center of the shaft, a critical parameter for shaft alignment across multiple bearing supports.\u003c\/p\u003e\n\n\u003ch4\u003eVersatile Applications Across Industries\u003c\/h4\u003e\n\u003cp\u003eThe robust construction, high-performance locking mechanism, self-aligning capability, and ease of maintenance of this 1-1\/4 inch Eccentric Locking Collar Style Flange Bearing make it suitable for a diverse range of industrial applications. Its ability to handle high-speed operation without shaft slippage positions it as an ideal choice for machinery involving fast-moving conveyor belts, industrial fans, blowers, and pumps, where consistent power transmission is critical. The self-aligning feature makes it valuable in agricultural machinery, textile machinery, and food processing equipment where minor misalignments are common due to frame flex or field conditions. Its durable cast iron housing and carbon steel insert ensure reliable performance in environments characterized by dust, dirt, moisture, or moderate temperature fluctuations, commonly found in mining, construction, and material handling sectors. Furthermore, the greasable design ensures it can be maintained effectively even in remote or challenging operational settings, extending its operational life and reducing the frequency of costly replacements. The compact 2-hole flange design allows for easy integration into existing equipment or new designs where space optimization is a consideration.\u003c\/p\u003e\n\n\u003ch4\u003eConclusion\u003c\/h4\u003e\n\u003cp\u003eIn summary, the 1-1\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing from Buyers Products represents a meticulously engineered solution for demanding industrial shaft support applications. Its core attributes – the secure, concentric grip provided by the eccentric locking collar, the inherent strength and vibration damping of its cast iron housing, the wear resistance of its carbon steel bearing insert, and the critical stress-reducing capability of its self-aligning design – collectively contribute to an exceptionally durable, reliable, and high-performance component. Coupled with the practical advantage of a greasable design for extended service life and a standard 2-hole mounting pattern for simplified installation, this flange bearing is designed not just to meet, but to exceed the operational expectations of engineers and maintenance professionals. It offers a compelling balance of advanced technical features, robust construction, and ease of upkeep, ensuring stable, efficient, and prolonged operation of industrial machinery in a multitude of challenging environments.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449339040115,"sku":"2F20","price":27.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2FS16_front.jpg?v=1768840232"},{"product_id":"4f16-1-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-4-hole","title":"4F16 - 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 4 Hole","description":"\u003cp\u003eBuyers Products Eccentric Locking Collar Style Flange Bearings are equipped to handle high-speed applications without risking drive shaft slippage.    The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design provides a secure attachment for the bearing. The eccentric locking collar means that the drive shaft will not slip, even at high RPMs.   The flange bearing has a self-aligning design that allows for a small amount of shaft misalignment.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.744\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eEccentric Lock Collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.89\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.453\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAdvanced Technical Overview: 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 4 Hole\u003c\/h2\u003e\n\u003cp\u003eThis detailed technical description delves into the design, engineering, material science, and operational advantages of the 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing with a 4-hole mounting configuration. Engineered for robust performance in demanding industrial and mobile applications, this component exemplifies precision and durability, ensuring reliable power transmission and rotational support.\u003c\/p\u003e\n\n\u003ch3\u003eFundamental Principles of Flange Bearings in Mechanical Systems\u003c\/h3\u003e\n\u003cp\u003eFlange bearings are a critical class of mounted bearings designed to support rotating shafts, accommodating various radial and axial loads. Unlike standalone bearing inserts, a mounted bearing such as this flange unit integrates the bearing element within a robust housing, facilitating straightforward installation onto a flat machine surface or frame. The fundamental purpose is to reduce friction between moving parts, enable smooth rotation, and accurately position the shaft, thereby minimizing wear, conserving energy, and extending the operational lifespan of machinery. The specific design of this product, featuring a 1.000-inch bore diameter (1 inch shaft diameter), targets a common and widely utilized shaft dimension across a multitude of industrial equipment.\u003c\/p\u003e\n\n\u003ch3\u003eThe Eccentric Locking Collar Mechanism: Precision and Security\u003c\/h3\u003e\n\u003cp\u003eThe defining feature of this bearing is its eccentric locking collar system, a superior method for securing the bearing insert to the shaft compared to traditional set screw designs. The eccentric locking collar functions on a camming principle. It is an annular ring with an eccentric bore that, when rotated relative to the inner ring of the bearing, creates a wedging action against the shaft. This rotation effectively \"locks\" the inner ring to the shaft by generating a concentric grip that is highly resistant to loosening, even under conditions of high vibration, shock loads, and fluctuating rotational speeds. The primary advantages of this mechanism include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eEnhanced Concentricity:\u003c\/b\u003e The eccentric collar provides a tighter, more uniform grip around the entire circumference of the shaft, leading to improved concentricity between the shaft and the bearing bore. This significantly reduces vibration, minimizes shaft fretting, and contributes to smoother, quieter operation, particularly critical in high-speed applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eSuperior Holding Power:\u003c\/b\u003e The clamping force generated by the eccentric action is often greater and more evenly distributed than that achieved by individual set screws, preventing shaft slippage even at elevated RPMs and under varying load conditions. This attribute directly addresses the requirement for stability in \"high-speed applications without risking drive shaft slippage.\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eReduced Shaft Damage:\u003c\/b\u003e Unlike set screws that create localized stress points and indentations on the shaft surface, the eccentric collar distributes clamping force more broadly, virtually eliminating shaft marring or distortion. This preserves shaft integrity and simplifies future bearing removal or repositioning.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eSimplified Installation and Removal:\u003c\/b\u003e While providing exceptional grip, the eccentric collar mechanism is designed for relatively straightforward installation and removal using a simple turn of the collar and typically a hex wrench for the set screw that secures the collar's position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \"Eccentric Lock Collar\" type confirms this advanced locking technology, which is a key differentiator for the performance and longevity of this bearing unit.\u003c\/p\u003e\n\n\u003ch3\u003eRobust Housing Design: Cast Iron Durability and Structural Integrity\u003c\/h3\u003e\n\u003cp\u003eThe bearing insert is meticulously housed within a robust cast iron casing, providing exceptional structural support and environmental protection. Cast iron, specifically referenced as the \"Housing Material,\" is selected for its advantageous mechanical properties pertinent to bearing applications:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eHigh Compressive Strength:\u003c\/b\u003e Cast iron exhibits excellent resistance to crushing forces, making it ideal for absorbing the significant radial and axial loads transmitted through the bearing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eVibration Damping Properties:\u003c\/b\u003e The microstructure of cast iron, particularly the presence of graphite flakes (in gray cast iron), allows it to effectively dampen vibrations. This inherent characteristic helps to reduce noise, minimize stress on adjacent machinery components, and contribute to a smoother operational environment, which is crucial for prolonging the life of both the bearing and the entire mechanical system.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDimensional Stability:\u003c\/b\u003e Cast iron maintains its shape and dimensions under varying operational temperatures and stresses, ensuring precise alignment of the bearing over time.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDurability and Wear Resistance:\u003c\/b\u003e Its inherent hardness and resistance to wear contribute to the overall longevity of the bearing unit, particularly in environments where impact or abrasion might occur.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eCost-Effectiveness:\u003c\/b\u003e Cast iron offers an excellent balance of performance and economic viability, making it a pragmatic choice for industrial-grade components requiring robust protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \"standard 4 bolt mounting design\" (Bolt Pattern: Square, Bolt Hole Center to Center: 2.750, Bolt Size: 0.375, S (Bolt Hole Diameter): 0.453) is integral to the flange housing. This configuration provides a stable and secure attachment to the machine frame, distributing the bearing loads evenly across the mounting surface. The precise bolt pattern and hole dimensions are critical for ensuring proper alignment and preventing mounting stress, which could compromise bearing performance. The overall dimensions of the housing (Overall Height: 3.75, Overall Width: 3.75, Overall Depth: 1.89) are designed to provide a compact yet sturdy footprint, suitable for integration into various machinery designs without excessive spatial requirements.\u003c\/p\u003e\n\n\u003ch3\u003eThe Bearing Insert: Carbon Steel Precision and Self-Aligning Capability\u003c\/h3\u003e\n\u003cp\u003eAt the heart of this mounted unit is the bearing insert itself, crafted from \"Carbon Steel\" (Bearing Insert Material). Carbon steel is a preferred material for bearing components due to its balance of hardness, strength, and wear resistance after appropriate heat treatment. The \"driveline-grade steel bearing\" designation underscores its suitability for applications where power transmission is paramount, implying a material capable of withstanding dynamic stresses and maintaining dimensional accuracy under operational loads. Key attributes of the carbon steel insert include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eHigh Load Carrying Capacity:\u003c\/b\u003e Properly hardened carbon steel can sustain significant radial and axial loads, crucial for supporting rotating shafts effectively.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eWear Resistance:\u003c\/b\u003e The material's hardness provides excellent resistance to wear, ensuring that the bearing raceways maintain their profile and precision over extended operational periods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFatigue Strength:\u003c\/b\u003e The ability of the steel to resist material fatigue under repetitive stress cycles is vital for the long-term reliability of the bearing in continuous operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFurthermore, the \"Bearing Insert Type: Self Aligning\" feature is a crucial engineering innovation. The outer surface of the inner bearing race (or the spherical outer ring of the insert) is ground to a spherical contour, which mates with a correspondingly spherical bore within the cast iron housing. This design allows the bearing insert to pivot slightly within the housing, accommodating up to a small degree of initial static or dynamic angular misalignment between the shaft and the bearing's mounting plane. This self-aligning capability offers several critical benefits:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003ePrevents Premature Failure:\u003c\/b\u003e Misalignment is a leading cause of bearing failure. By allowing the bearing to \"self-correct,\" the design prevents the imposition of detrimental edge loads or uneven stress distributions on the rolling elements and raceways, thereby significantly extending bearing life.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eReduces Installation Complexity:\u003c\/b\u003e It minimizes the need for extremely precise alignment during installation, offering a degree of forgiveness that can save time and reduce the likelihood of installation errors.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eMaintains Performance:\u003c\/b\u003e Even if the machine frame flexes slightly under load or due to thermal expansion, the self-aligning feature ensures that the bearing continues to operate efficiently without generating excessive friction or heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIntegrated Lubrication System: Greasable for Extended Service Life\u003c\/h3\u003e\n\u003cp\u003eProper lubrication is fundamental to the performance and longevity of any bearing. This flange bearing is designed with an integrated \"Greasable\" feature, indicated by the presence of a grease fitting (typically a Zerk fitting). This allows for convenient and effective re-lubrication of the bearing insert with appropriate grease, a critical maintenance practice. The benefits of a well-maintained lubrication regimen include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eReduced Friction and Heat:\u003c\/b\u003e The lubricant forms a protective film between the rolling elements and raceways, minimizing metal-to-metal contact, thereby reducing friction and the heat generated during operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eWear Prevention:\u003c\/b\u003e The grease film prevents wear and corrosion, protecting the precision surfaces of the bearing components.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eContaminant Exclusion:\u003c\/b\u003e Grease helps to form a seal that excludes contaminants such as dust, dirt, and moisture from entering the bearing interior, which are primary causes of premature wear and failure.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eShock Absorption:\u003c\/b\u003e Lubricants can help to absorb minor shocks and vibrations, contributing to smoother operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eExtended Service Life:\u003c\/b\u003e Regular re-lubrication replenishes the grease supply, maintaining optimal operating conditions and significantly extending the bearing's operational life. The \"ease of maintenance for continual smooth operation\" is directly facilitated by this feature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDetailed Dimensional Analysis\u003c\/h3\u003e\n\u003cp\u003eThe provided specifications include several critical dimensions, often represented with diagrammatic labels, which are essential for engineers and technicians for proper selection, design integration, and installation:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eBore Diameter: 1.000 inches:\u003c\/b\u003e This is the fundamental internal diameter of the bearing, matching the shaft diameter it is intended to support.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBolt Hole Center to Center: 2.750 inches:\u003c\/b\u003e This dimension specifies the spacing between the centers of the mounting bolt holes, crucial for matching the bearing to the existing or designed mounting pattern on the machine frame.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBolt Size: 0.375 inches:\u003c\/b\u003e This indicates the recommended diameter of the mounting bolts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eS (diagram\/Bolt Hole Diameter): 0.453 inches:\u003c\/b\u003e This refers to the actual diameter of the bolt holes in the flange, providing clearance for the 0.375-inch bolts. The slight oversize allows for minor adjustment during installation and prevents binding.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eOverall Height: 3.75 inches, Overall Width: 3.75 inches, Overall Depth: 1.89 inches:\u003c\/b\u003e These are the external envelope dimensions of the entire flange bearing unit, important for space allocation and fitment within machinery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBi (Diagram): 1.744 inches:\u003c\/b\u003e Typically refers to the width of the inner ring or bearing insert.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eG (diagram): 0.44 inches:\u003c\/b\u003e Often indicates the distance from the side of the housing to the center of the grease fitting, or a specific housing thickness.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eI (diagram): 0.82 inches:\u003c\/b\u003e Could represent the distance from the housing face to the centerline of the shaft, or a specific housing dimension related to mounting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eK (Diagram): 1.500 inches:\u003c\/b\u003e Commonly denotes the distance from the center of the shaft to the top of the housing, or the height of the housing above the mounting surface.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eL (diagram): 1.38 inches:\u003c\/b\u003e Frequently refers to the total length of the inner ring or the overall axial dimension of the bearing insert.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese precise dimensions ensure interoperability and reliable fit, a hallmark of professionally engineered components.\u003c\/p\u003e\n\n\u003ch3\u003eOperational Performance and Application Versatility\u003c\/h3\u003e\n\u003cp\u003eThe combination of a 1-inch bore, eccentric locking collar, robust cast iron housing, self-aligning carbon steel insert, and greasable design renders this flange bearing exceptionally versatile and reliable across a broad spectrum of industrial and mobile applications. Its inherent ability to \"handle high-speed applications without risking drive shaft slippage\" makes it indispensable in scenarios where rotational integrity is paramount. Typical applications include, but are not limited to:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eAgricultural Machinery:\u003c\/b\u003e Supporting shafts in conveyors, balers, harvesters, and irrigation systems where dust, moisture, and varying loads are common.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eConveyor Systems:\u003c\/b\u003e For material handling, where continuous operation, speed, and load capacity are critical. The self-aligning feature is particularly beneficial in long conveyor lines prone to frame flex.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eIndustrial Fans and Blowers:\u003c\/b\u003e Providing stable support for impellers rotating at high speeds, where minimal vibration and secure shaft attachment are essential.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eTextile Machinery:\u003c\/b\u003e Requiring smooth, high-speed operation with minimal downtime.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFood Processing Equipment:\u003c\/b\u003e Although not explicitly food-grade, the robust design can be adapted or protected for use in certain areas.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePackaging Machinery:\u003c\/b\u003e Where precision and continuous operation are key.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eConstruction Equipment:\u003c\/b\u003e In various ancillary drive systems where durability and resistance to harsh environments are required.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePower Transmission Units:\u003c\/b\u003e Supporting shafts in gearboxes, pulleys, and sprocket drives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe comprehensive design minimizes maintenance requirements while maximizing operational efficiency and reliability, contributing to lower total cost of ownership over the component's lifespan.\u003c\/p\u003e\n\n\u003ch3\u003eQuality Assurance and Engineering Excellence\u003c\/h3\u003e\n\u003cp\u003eBuyers Products maintains stringent quality control protocols throughout the manufacturing process of its flange bearings. From the selection of premium-grade carbon steel for the bearing insert and high-quality cast iron for the housing to precision machining and assembly, every step is optimized to ensure consistent product performance. Adherence to dimensional tolerances (as evidenced by the detailed specifications) and material standards ensures that each bearing delivers on its promise of durability, reliability, and optimal performance under demanding conditions. The driveline-grade steel bearing specification is indicative of a component designed and tested to meet the rigorous demands of power transmission applications, where robust construction and unwavering shaft grip are non-negotiable.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe 1 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing with a 4-hole mounting pattern represents a pinnacle of practical engineering for rotating shaft support. Its combination of a secure eccentric locking mechanism, a robust cast iron housing, a durable, self-aligning carbon steel bearing insert, and an integrated lubrication system ensures exceptional performance, extended operational life, and simplified maintenance. This bearing is a high-value component for engineers and maintenance professionals seeking a reliable, high-speed capable, and durable solution for diverse industrial and mobile power transmission applications. Its design directly addresses common operational challenges such as shaft slippage, misalignment, and the need for straightforward servicing, making it an indispensable element in demanding mechanical systems.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449339105651,"sku":"4F16","price":17.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F16_Series_drawing_5e4b4250-9985-4fad-af8d-ff28de111a36.jpg?v=1768840375"},{"product_id":"4f20-1-1-4-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-4-hole","title":"4F20 - 1-1\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 4 Hole","description":"\u003cp\u003eBuyers Products Eccentric Locking Collar Style Flange Bearings are equipped to handle high-speed applications without risking drive shaft slippage.    The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design provides a secure attachment for the bearing. The eccentric locking collar means that the drive shaft will not slip, even at high RPMs.   The flange bearing has a self-aligning design that allows for a small amount of shaft misalignment.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border=\" solid\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.438\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.188\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eEccentric Lock Collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe 1-1\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 4 Hole represents a critical component in robust power transmission and rotary motion systems across diverse industrial applications. Engineered for optimal performance in demanding operational environments, this bearing integrates advanced design principles and material science to ensure exceptional durability, stability, and ease of maintenance. The detailed technical specifications provided underscore its precision engineering and suitability for professional applications requiring stringent reliability.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Locking Mechanism: Eccentric Locking Collar Technology\u003c\/h3\u003e\n\u003cp\u003eAt the core of this flange bearing's superior performance is its eccentric locking collar mechanism. Unlike conventional set screw locking systems, which rely on localized pressure points that can lead to shaft damage or slippage under dynamic loads, the eccentric locking collar provides a concentric grip around the shaft. The inner ring of the bearing features an eccentric extension, while the locking collar has a corresponding eccentric bore. When the collar is rotated relative to the inner ring, the eccentricities engage, creating a camming action that tightly clamps the bearing onto the shaft. This design generates a true 360-degree grip, distributing clamping forces uniformly around the shaft circumference.\u003c\/p\u003e\n\u003cp\u003eThe advantages of this locking method are manifold and critical for high-performance applications. Firstly, the uniform clamping action minimizes shaft distortion and fretting corrosion, which can occur with localized clamping methods. This significantly extends both the shaft's and the bearing's operational life. Secondly, the eccentric locking collar provides substantially greater holding power compared to set screws, making it exceptionally resistant to axial movement and rotational slippage, even under severe vibration, shock loads, and high RPM conditions. The product’s title highlights its 1-1\/4 inch shaft diameter, indicating a design optimized for shafts of this specific dimension, ensuring a precise and secure fit when the eccentric collar is properly engaged. This robust locking mechanism is paramount in applications where drive shaft slippage could lead to catastrophic equipment failure or costly downtime, reinforcing the bearing's reliability in critical power transmission pathways.\u003c\/p\u003e\n\n\u003ch3\u003eBearing Insert Composition and Self-Aligning Capability\u003c\/h3\u003e\n\u003cp\u003eThe heart of any bearing lies in its insert, and for this unit, a high-quality carbon steel bearing insert is employed. Carbon steel is selected for its excellent balance of hardness, strength, wear resistance, and cost-effectiveness. The precise metallurgy of \"driveline-grade steel\" ensures that the bearing races and rolling elements (typically deep groove ball bearings within the insert) can withstand the rigorous demands of continuous operation, including significant radial and axial loads. Carbon steel's inherent properties provide a robust platform for the rolling elements, ensuring smooth rotation and minimizing friction, even under heavy operational stresses. Its ability to be heat-treated allows for tailored hardness profiles, optimizing both the fatigue life of the rolling contact surfaces and the structural integrity of the entire insert.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the bearing insert is of a \"Self Aligning\" type, a crucial feature that enhances its operational flexibility and longevity. A self-aligning bearing possesses an outer spherical race that allows the inner ring, rolling elements, and shaft to pivot slightly within the housing. This inherent flexibility compensates for static or dynamic shaft misalignment, which can arise from manufacturing tolerances, structural deflection, or installation inaccuracies. By accommodating up to a small degree of angular misalignment (typically 2-3 degrees), the self-aligning design prevents edge loading on the rolling elements and races. Edge loading, a common cause of premature bearing failure, occurs when misalignment concentrates stress on a small portion of the contact area. By mitigating this, the self-aligning feature significantly extends the bearing's fatigue life, reduces operational noise and vibration, and minimizes heat generation, contributing to overall system efficiency and reliability. The integration of a self-aligning carbon steel insert within a robust housing represents a carefully engineered solution for demanding mechanical systems.\u003c\/p\u003e\n\n\u003ch3\u003eRobust Housing Construction: Cast Iron Flange Design\u003c\/h3\u003e\n\u003cp\u003eThe integrity of any mounted bearing is heavily reliant on its housing, and this product features a cast iron housing, recognized for its exceptional mechanical properties suitable for industrial environments. Cast iron, particularly gray cast iron, offers a unique combination of high compressive strength, excellent vibration damping characteristics, and good machinability. The material's microstructure, rich in graphite flakes, effectively dampens vibrations and absorbs shock loads, protecting the precision bearing insert from excessive dynamic stresses. This inherent damping capability is vital in applications experiencing intermittent or fluctuating loads, where excessive vibration could lead to noise, premature wear, and structural fatigue.\u003c\/p\u003e\n\u003cp\u003eThe \"flange bearing\" designation refers to its mounting style, characterized by a flat base with bolt holes designed for direct attachment to a machine frame or support structure. This specific model employs a \"4 Hole\" configuration with a \"Square\" bolt pattern, providing a stable and secure mounting platform. The critical dimensions for mounting are precisely defined: \"Bolt Hole Center to Center\" at 3.625 inches, \"Bolt Size\" at 0.438 inches, and \"S (diagram\/Bolt Hole Diameter)\" at 0.516 inches. These specifications ensure compatibility with standard industrial fasteners and mounting plates, facilitating straightforward installation and replacement. The square bolt pattern maximizes the contact area between the flange and the mounting surface, distributing operational loads evenly and resisting rotational forces, thereby enhancing the overall rigidity and stability of the bearing assembly within the application. The rugged nature of the cast iron, combined with this robust mounting design, ensures the bearing can withstand significant static and dynamic forces without deformation or compromise to its internal components.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Shaft Compatibility and Dimensional Accuracy\u003c\/h3\u003e\n\u003cp\u003eThe \"Bore Diameter\" of 1.250 inches is a critical specification, indicating that this bearing is precisely engineered for shafts with a nominal diameter of 1-1\/4 inches. Achieving an accurate fit between the shaft and the bearing bore is paramount for optimal performance and extended bearing life. An undersized shaft could lead to insufficient grip by the eccentric locking collar, resulting in slippage and fretting. Conversely, an oversized shaft would prevent proper installation and could damage the bearing during assembly. The precise bore diameter, coupled with the eccentric locking mechanism, ensures that when correctly installed, the shaft is held firmly and concentrically within the bearing, facilitating smooth rotation and efficient power transmission.\u003c\/p\u003e\n\u003cp\u003eFurther dimensional data is provided, which is essential for engineers and designers integrating this bearing into complex machinery. \"Overall Depth\" at 2.16 inches, \"Overall Height\" at 4.63 inches, and \"Overall Width\" at 4.63 inches define the bearing's external envelope. These measurements are crucial for space allocation, interference checking, and ensuring adequate clearance within machine designs. Additionally, diagrammatic references like \"Bi (Diagram)\" at 2.011 inches, \"G (diagram)\" at 0.50 inches, \"I (diagram)\" at 0.88 inches, \"K (Diagram)\" at 2.188 inches, and \"L (diagram)\" at 1.50 inches provide further detailed insights into the specific geometry of the bearing. While specific diagram interpretations vary by manufacturer, 'Bi' commonly refers to the total width of the inner ring or bearing insert, critical for axial positioning. 'G' might represent the flange thickness or bolt face thickness, affecting mounting stability. 'I' often denotes the bolt hole edge distance or a similar radial dimension. 'K' typically indicates the height from the mounting surface to the center of the bore, vital for shaft alignment and system geometry. 'L' could represent the overall length of the housing in one axis. These detailed dimensions empower engineers to ensure precise integration and predictable performance within their machinery designs, minimizing costly rework and optimizing assembly processes.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance and Lubrication for Extended Service Life\u003c\/h3\u003e\n\u003cp\u003eProper lubrication is fundamental to the longevity and efficient operation of any rolling element bearing. This flange bearing is explicitly designated as \"Greasable (y\/n): Yes\" and includes a conveniently located \"grease fitting.\" This design feature underscores its suitability for continuous, long-term industrial service where regular maintenance is anticipated and critical. The grease fitting allows for periodic re-lubrication with appropriate industrial grease, ensuring that the rolling elements and raceways are consistently coated with a protective film. This film serves several vital functions: it reduces friction between moving parts, dissipates heat generated during operation, prevents corrosion, and acts as a barrier against ingress of contaminants such as dust, moisture, and abrasive particles. The ability to re-grease effectively purges old, degraded lubricant and any accumulated contaminants from the bearing cavity, replacing it with fresh, clean grease.\u003c\/p\u003e\n\u003cp\u003eThe selection of the correct grease type and adherence to a disciplined re-lubrication schedule are paramount. The specific operating environment (temperature, speed, load, presence of water or chemicals) will dictate the optimal grease viscosity and additive package (e.g., EP additives for heavy loads, rust inhibitors for wet environments). Regular re-lubrication, as opposed to \"lubricated-for-life\" designs, significantly extends the operational lifespan of the bearing, minimizes downtime associated with premature failure, and contributes to the overall predictive maintenance strategy of an industrial facility. This commitment to maintainability ensures that the bearing can sustain \"continual smooth operation\" under demanding conditions, delivering consistent performance throughout its extended service life.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Characteristics and Operational Reliability\u003c\/h3\u003e\n\u003cp\u003eThis 1-1\/4 inch eccentric locking collar flange bearing is engineered to deliver exceptional performance characteristics, particularly in applications demanding high reliability. The combination of a robust carbon steel bearing insert, a self-aligning design, and the high-integrity eccentric locking collar makes it inherently suitable for \"high-speed applications without risking drive shaft slippage.\" The uniform grip of the eccentric collar ensures that the rotational forces are effectively transmitted from the shaft to the bearing without relative motion, even when subjected to rapid accelerations, decelerations, or sustained high RPMs. This eliminates the risk of wear and damage that can arise from fretting or slippage, thereby maintaining consistent operational parameters.\u003c\/p\u003e\n\u003cp\u003eThe self-aligning feature, as previously discussed, plays a crucial role in mitigating the stresses caused by minor misalignments, which often lead to localized overheating, increased power consumption, and premature fatigue failure. By distributing loads evenly across the rolling elements, the bearing can sustain higher load capacities—both radial and a moderate degree of axial—than non-aligning counterparts under similar misalignment conditions. The cast iron housing further augments operational reliability by providing excellent structural support, heat dissipation capabilities, and vibration damping, collectively contributing to a quieter and more stable operating environment. The inherent \"rugged and durable\" nature of the cast iron housing also protects the internal bearing components from external impacts and environmental factors, ensuring sustained performance in harsh industrial settings. The design reflects a commitment to minimizing friction, enhancing load distribution, and maximizing the operational envelope under various challenging conditions, culminating in a product that delivers consistent, dependable service.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications Across Industries\u003c\/h3\u003e\n\u003cp\u003eThe technical specifications and robust design of this 1-1\/4 inch shaft diameter eccentric locking collar style flange bearing position it as a highly versatile component suitable for a broad spectrum of industrial applications. Its ability to handle high speeds, resist slippage, and accommodate minor misalignment makes it indispensable in sectors where reliability and operational efficiency are paramount. Common applications include:\n\u003c\/p\u003e\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial Handling Systems:\u003c\/strong\u003e Conveyor belts, roller systems, and package sorting machinery frequently rely on flange bearings to support shafts transmitting power or carrying loads. The eccentric locking collar ensures secure shaft attachment despite continuous starts, stops, and varying loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAgricultural Machinery:\u003c\/strong\u003e Equipment such as harvesters, seeders, and tillage machinery operates in challenging environments with dust, dirt, and vibrations. The robust cast iron housing, greasable design, and self-aligning capability make this bearing ideal for these demanding conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFood and Beverage Processing:\u003c\/strong\u003e While this particular bearing's materials (cast iron, carbon steel) might not be suitable for direct contact with food, it can be used in machinery supporting power transmission outside the direct processing zones, where robust and reliable shaft support is required.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Fans and Blowers:\u003c\/strong\u003e High-speed rotating equipment like industrial fans and blowers benefit from the secure shaft locking and vibration damping properties of this bearing, ensuring smooth and quiet operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePumps and Compressors:\u003c\/strong\u003e In certain types of pumps and compressors, particularly those used in non-corrosive environments, these bearings provide essential shaft support, accommodating the radial and thrust loads generated during fluid movement or gas compression.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTextile Machinery:\u003c\/strong\u003e Equipment in textile manufacturing, often involving high-speed spindles and rollers, requires precise and stable shaft support to maintain product quality and operational continuity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGeneral Industrial Power Transmission:\u003c\/strong\u003e Anywhere a rotating shaft needs reliable support and secure attachment to a machine frame, such as in gearboxes, mixers, or small machine tools, this flange bearing provides a dependable solution.\u003c\/li\u003e\n\u003c\/ul\u003e\nThe strategic combination of its technical features ensures that this bearing offers a compelling solution for engineers seeking to design or maintain systems that demand high performance, extended service intervals, and resistance to common failure modes associated with shaft mounting and alignment.\n\n\u003ch3\u003eQuality Assurance and Engineering Standards\u003c\/h3\u003e\n\u003cp\u003eThe emphasis on \"driveline-grade steel\" for the bearing insert and a \"rugged and durable\" cast iron for the housing speaks to a commitment to high manufacturing standards. Driveline-grade steel implies material selection and heat treatment processes optimized for applications involving significant torque transmission and dynamic loads, ensuring resistance to fatigue and wear. The precision manufacturing required for the 1.250-inch bore diameter and the intricate geometry of the eccentric locking collar underlines adherence to tight dimensional tolerances. Such precision is critical for the proper functioning of the locking mechanism and the overall smooth operation of the bearing. Furthermore, the explicit provision for a grease fitting and the \"Greasable (y\/n): Yes\" designation highlight a design philosophy centered on maintainability and extended service life, aligning with best practices in industrial asset management. This attention to material quality, dimensional accuracy, and serviceability collectively contributes to a product that not only meets but often exceeds the demanding performance expectations of professional industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe 1-1\/4 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing with a 4-hole mounting configuration is a precisely engineered solution designed for superior performance in challenging industrial applications. Its core attributes—the secure and concentric grip of the eccentric locking collar, the durable and wear-resistant carbon steel self-aligning bearing insert, and the robust cast iron housing with a square bolt pattern—converge to deliver unparalleled reliability and operational efficiency. The meticulous design, incorporating a self-aligning mechanism, mitigates common issues like shaft misalignment and edge loading, thereby extending the bearing's service life and reducing maintenance requirements. With its integral grease fitting, routine maintenance is simplified, ensuring continuous smooth operation even under high-speed and demanding load conditions. This bearing is a testament to advanced engineering, offering a dependable, long-lasting component essential for power transmission systems across a myriad of industrial sectors, ensuring optimal performance and minimizing costly downtime.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449339171187,"sku":"4F20","price":27.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F16_Series_drawing_3192a845-39f4-462d-8206-57d3a8798756.jpg?v=1768840377"},{"product_id":"4f24-1-1-2-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-4-hole","title":"4F24 - 1-1\/2 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing - 4 Hole","description":"\u003cp\u003eBuyers Products Eccentric Locking Collar Style Flange Bearings are equipped to handle high-speed applications without risking drive shaft slippage.    The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design provides a secure attachment for the bearing. The eccentric locking collar means that the drive shaft will not slip, even at high RPMs.   The flange bearing has a self-aligning design that allows for a small amount of shaft misalignment.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border=\" solid\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.97\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eEccentric Lock Collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border=\" solid\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.547\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe 1-1\/2 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing – 4 Hole, offered by Buyers Products, represents a robust and precisely engineered solution for demanding rotary applications. This industrial-grade component is specifically designed to deliver uncompromising performance, particularly in environments characterized by high rotational speeds and dynamic loading conditions. Its meticulous construction and integration of advanced mechanical principles ensure optimal operational integrity and extended service life across a myriad of industrial, agricultural, and commercial applications where dependable shaft support and precise alignment are paramount.\u003c\/p\u003e\n\n\u003cp\u003eAt its core, this flange bearing is engineered to accommodate a shaft with a nominal diameter of 1.500 inches (38.1 mm). This bore diameter is a critical specification, dictating the shaft size it can effectively support. The precise fit between the shaft and the bearing bore is essential for minimizing vibration, reducing wear, and ensuring the efficient transmission of power. A 1.5-inch shaft is a common size in medium-duty power transmission systems, including those found in conveyor systems, agricultural machinery, material handling equipment, and various industrial fan and pump applications, necessitating a bearing that can handle corresponding loads and speeds with high reliability.\u003c\/p\u003e\n\n\u003ch3\u003eThe Advanced Eccentric Locking Collar Mechanism\u003c\/h3\u003e\n\u003cp\u003eA defining feature of this bearing is its eccentric locking collar mechanism, which provides a superior method for securing the bearing to the shaft compared to traditional set-screw designs. The eccentric locking collar functions by having an inner bore that is eccentric to its outer circumference. When assembled onto the extended inner ring of the bearing, which itself has an eccentric bore, rotating the collar relative to the bearing causes a wedging action. This creates a secure, concentric grip around the shaft. The inner ring of the bearing features an eccentric counterbore, which mates with the eccentric step on the locking collar. A single set screw on the collar is then tightened, forcing the eccentric surfaces to rotate and cam against each other, effectively clamping the shaft with a true 360-degree contact force.\u003c\/p\u003e\n\n\u003cp\u003eThe technical advantages of this locking mechanism are substantial. Firstly, it provides an exceptionally strong and positive grip on the shaft, drastically reducing the risk of shaft slippage, even under extreme vibration, shock loads, or high RPMs, as highlighted in the initial description. Unlike set screws that create point contact stress on the shaft, potentially deforming it or allowing minor creep, the eccentric collar distributes clamping forces more evenly around the shaft circumference. This uniform clamping minimizes shaft distortion, prevents fretting corrosion, and ensures superior concentricity between the shaft and the bearing's inner ring, which is crucial for maintaining dynamic balance at high speeds. This concentricity also contributes to reduced noise and vibration, prolonging the life of both the bearing and adjacent machinery components.\u003c\/p\u003e\n\n\u003cp\u003eMoreover, installation with an eccentric locking collar is generally simpler and faster than other methods, requiring only a moderate tightening of a single set screw after positioning the collar. This reduces installation errors and ensures consistent performance across multiple units. The inherent design of the eccentric collar also makes it less susceptible to loosening over time due to operational vibrations, offering a more dependable and maintenance-friendly solution for critical applications.\u003c\/p\u003e\n\n\u003ch3\u003eRobust Flange Bearing Design and Materials\u003c\/h3\u003e\n\u003cp\u003eThe flange bearing configuration, characterized by its square, 4-hole bolt pattern, is engineered for stable and secure mounting to a machine frame or structural support. The \"Bolt Hole Center to Center\" dimension of 4.000 inches and \"Bolt Size\" of 0.500 inches (with a \"S (diagram\/Bolt Hole Diameter)\" of 0.547 inches) provide precise parameters for mounting plate design, ensuring proper alignment and load distribution. This 4-bolt design, a standard in industrial practice, offers exceptional stability and resistance to twisting moments and radial loads, distributing the operational forces across a wider area of the mounting surface. The square bolt pattern facilitates straightforward installation and ensures robust mechanical integration into various equipment designs, from simple pedestals to complex structural frames.\u003c\/p\u003e\n\n\u003cp\u003eThe housing of this flange bearing is meticulously crafted from high-quality cast iron, a material celebrated for its superior mechanical properties in bearing applications. Cast iron possesses excellent rigidity and compressive strength, which are essential for maintaining the precise internal clearances of the bearing assembly under significant operational loads. Its inherent dampening characteristics help to absorb and dissipate vibrations, reducing noise levels and protecting the internal bearing components from excessive stress. This contributes significantly to the bearing's ruggedness and durability, enabling it to withstand harsh operating conditions, impact loads, and prolonged exposure to industrial environments without compromising its structural integrity. Furthermore, cast iron offers good wear resistance and is cost-effective, making it an ideal choice for housings that require a balance of strength, performance, and economic viability.\u003c\/p\u003e\n\n\u003cp\u003eWithin this robust cast iron housing resides a bearing insert made from driveline-grade carbon steel. Carbon steel is a preferred material for bearing components due to its high hardness, excellent wear resistance, and good fatigue life, especially when heat-treated. The specific grade of carbon steel used is optimized to provide the necessary strength and surface hardness to withstand the continuous rolling contact stresses experienced by the bearing elements (balls or rollers, though for typical 1.5-inch shafts in this style, it's usually a deep groove ball bearing configuration within the insert). This material selection ensures the bearing can sustain high-speed rotational forces and transmit significant loads while maintaining its dimensional stability and operational precision over an extended service period. The \"Bi (diagram)\" dimension of 2.216 inches, \"G (diagram)\" of 0.63 inches, \"I (diagram)\" of 0.97 inches, \"K (Diagram)\" of 2.375 inches, and \"L (diagram)\" of 1.63 inches provide specific dimensional data for the bearing insert and its interface with the housing, crucial for engineering integration and component interchangeability.\u003c\/p\u003e\n\n\u003ch3\u003eThe Critical Role of Self-Aligning Design\u003c\/h3\u003e\n\u003cp\u003eA key technical attribute of this flange bearing is its self-aligning design. This feature allows the bearing insert to pivot slightly within the housing, accommodating initial static shaft misalignment and minor dynamic misalignments that may occur during operation. Shaft misalignment, if not properly addressed, is a leading cause of premature bearing failure, generating excessive stresses, localized overheating, and accelerated wear on the bearing elements and races. The self-aligning capability alleviates these detrimental effects by ensuring that the load is distributed evenly across the rolling elements, thereby preventing concentrated stress points. This design characteristic not only extends the operational life of the bearing but also protects the shaft and other connected machinery components from undue stress, ultimately contributing to the overall reliability and efficiency of the mechanical system. It simplifies installation, as precision alignment between the shaft and mounting surface is less critical than with rigid bearing types, reducing labor time and the need for specialized alignment tools.\u003c\/p\u003e\n\n\u003ch3\u003eOptimized for High-Speed Applications and Durability\u003c\/h3\u003e\n\u003cp\u003eThe design principles integrated into this Buyers Products flange bearing—from the eccentric locking collar to the robust materials and self-aligning insert—collectively contribute to its exceptional capability in high-speed applications. In such scenarios, the integrity of the shaft-to-bearing interface is paramount. Any slippage or instability can lead to catastrophic failure, excessive vibration, and significant downtime. The positive grip provided by the eccentric collar, combined with the low-friction characteristics of the carbon steel bearing and efficient lubrication, allows for sustained operation at high RPMs without compromising the mechanical integrity of the driveline. The \"Overall Depth\" of 2.34 inches, \"Overall Height\" of 5.13 inches, and \"Overall Width\" of 5.13 inches illustrate the compact yet robust nature of the entire assembly, allowing for integration into diverse machinery designs while maintaining structural integrity.\u003c\/p\u003e\n\n\u003ch3\u003eSimplified Maintenance for Prolonged Service Life\u003c\/h3\u003e\n\u003cp\u003eRecognizing that even the most robust components require proper care, this flange bearing is equipped with a grease fitting, making it fully greasable. This essential feature allows for routine lubrication, which is critical for mitigating friction, dissipating heat, and flushing out contaminants from the bearing's internal components. Regular application of appropriate industrial grease, as per manufacturer recommendations or operational requirements, ensures that the rolling elements and raceways remain enveloped in a protective film, preventing metal-to-metal contact and extending the bearing's service life significantly. Proper lubrication directly impacts the operational efficiency and longevity of the bearing, minimizing wear and tear, reducing power consumption, and preventing premature failure caused by lubricant degradation or ingress of foreign particles. The ease of access to the grease fitting facilitates quick and efficient maintenance, thereby reducing potential downtime and operational costs over the product's lifecycle.\u003c\/p\u003e\n\n\u003ch3\u003eDiverse Application Spectrum\u003c\/h3\u003e\n\u003cp\u003eGiven its technical specifications and robust design, this 1-1\/2 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing is an ideal choice for a wide array of industrial and mechanical applications. These include, but are not limited to:\n\u003c\/p\u003e\u003cul\u003e\n    \u003cli\u003e**Conveyor Systems:** For supporting the drive and idler shafts in various material handling conveyors, where continuous operation and resistance to shock loads are critical.\u003c\/li\u003e\n    \u003cli\u003e**Agricultural Machinery:** In equipment such as tillers, harvesters, balers, and spreaders, where shafts operate in challenging, often dusty or wet, environments and require dependable shaft retention.\u003c\/li\u003e\n    \u003cli\u003e**Industrial Fans and Blowers:** Providing reliable support for fan impellers and motor shafts, particularly where high rotational speeds and dynamic balance are essential.\u003c\/li\u003e\n    \u003cli\u003e**Packaging Equipment:** In processing lines where precision, speed, and continuous operation are key to productivity.\u003c\/li\u003e\n    \u003cli\u003e**Textile Machinery:** For various rollers and drive shafts that operate at high speeds and require smooth, consistent rotation.\u003c\/li\u003e\n    \u003cli\u003e**Food and Beverage Processing:** In non-washdown areas where robustness and reliable operation are needed.\u003c\/li\u003e\n    \u003cli\u003e**Mining and Construction Equipment:** For supporting shafts in demanding environments, offering resistance to heavy loads and impacts.\u003c\/li\u003e\n    \u003cli\u003e**Power Transmission Units:** As essential components in gearboxes, reducers, and other power transmission assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eIn summary, the 1-1\/2 Inch Shaft Diameter Eccentric Locking Collar Style Flange Bearing by Buyers Products stands as a testament to engineering excellence, offering a high-performance solution for challenging industrial applications. Its combination of a precise 1.5-inch bore, a superior eccentric locking collar for uncompromising shaft retention, a robust cast iron housing, a durable carbon steel bearing insert, and critical self-aligning capabilities ensures exceptional reliability and longevity. Coupled with user-friendly maintenance facilitated by an integrated grease fitting, this bearing minimizes downtime, reduces operational costs, and enhances the overall efficiency and safety of mechanical systems. For engineers and maintenance professionals seeking a dependable and high-integrity bearing solution that excels under high-speed and dynamic conditions, this product offers a compelling balance of advanced technical features, durability, and practical utility, representing a strategic investment in the operational continuity and performance of their machinery.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449339236723,"sku":"4F24","price":29.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F16_Series_drawing_4541d0ec-0dd8-43c4-aaf2-bec891e7701f.jpg?v=1768840379"},{"product_id":"4f12scr-3-4-inch-shaft-diameter-set-screw-style-flange-bearing-4-hole","title":"4F12SCR - 3\/4 Inch Shaft Diameter Set Screw Style Flange Bearing - 4 Hole","description":"\u003cp\u003eBuyers Products 2 Inch Set Screw Locking Flange Bearing (4 Bolt) is built for long life with simple installation and maintenance.   The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align=\" left padding:6px border:1px solid background:\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.469\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003ePrecision Engineering: The 3\/4 Inch Set Screw Style Flange Bearing\u003c\/h3\u003e\u003cp\u003eThe 3\/4 Inch Shaft Diameter Set Screw Style Flange Bearing, featuring a robust 4-hole mounting configuration, represents a pinnacle of industrial bearing technology, meticulously engineered to deliver exceptional performance, reliability, and longevity across a diverse range of demanding applications. This component is not merely a mechanism for rotation; it is a critical interface designed to facilitate smooth, uninterrupted power transmission while accommodating various operational complexities. Its design integrates fundamental mechanical principles with advanced material science to ensure optimal functionality under continuous load and environmental stresses. The core objective behind its development is to provide a highly durable, easily maintainable, and cost-effective solution for supporting rotating shafts in machinery where precision and resilience are paramount.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eCore Engineering and Construction: Unpacking the Materials\u003c\/h3\u003e\u003cp\u003eThe foundation of this flange bearing's superior performance lies in its carefully selected and integrated materials, each chosen for specific properties that contribute to the overall strength, durability, and operational efficiency of the unit.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch4\u003eThe Carbon Steel Bearing Insert: Properties and Performance\u003c\/h4\u003e\u003cp\u003eAt the heart of this assembly is a bearing insert crafted from high-quality carbon steel. Carbon steel is an alloy primarily composed of iron and carbon, renowned for its exceptional strength, hardness, and wear resistance, especially when subjected to appropriate heat treatment processes. For bearing applications, these properties are critical. The inherent hardness of carbon steel allows the bearing races to withstand significant compressive forces and repetitive stress cycles without undergoing plastic deformation, thereby preserving the precise geometry required for smooth rolling element operation. Furthermore, its excellent wear resistance minimizes material loss due to friction and abrasive particles, significantly extending the operational life of the bearing even in challenging industrial environments. The choice of carbon steel ensures that the internal components of the bearing can effectively manage both radial and axial loads, providing a reliable rotational platform for the shaft. The 'driveline-grade' designation further emphasizes that this steel meets stringent standards for applications involving torque transmission and continuous motion, where material fatigue resistance and structural integrity are non-negotiable.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch4\u003eThe Robust Cast Iron Housing: Structural Integrity and Dampening\u003c\/h4\u003e\u003cp\u003eEncasing the high-performance carbon steel insert is a rugged housing constructed from cast iron. Cast iron is an ideal material for bearing housings due to its unique combination of mechanical properties. Foremost among these is its exceptional compressive strength, which allows the housing to absorb and distribute substantial external forces, protecting the internal bearing components from undue stress. Moreover, cast iron exhibits superior vibration damping characteristics compared to other metals like steel. This inherent property is crucial in machinery, as it helps to attenuate operational vibrations and reduce resonant frequencies, leading to quieter operation, diminished structural fatigue in surrounding components, and a more stable operating environment for the bearing itself. The rigidity of the cast iron housing also ensures precise alignment of the bearing insert, minimizing deflection under load and maintaining critical tolerances. Its substantial mass contributes to overall stability, particularly in applications where dynamic forces are present. The \"flange\" design of the housing, a flat plate with bolt holes, provides a stable mounting surface, distributing the load over a larger area on the mounting structure and enhancing the overall structural integrity of the bearing assembly.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003ePrecision Locking and Operational Stability: The Set Screw Mechanism\u003c\/h3\u003e\u003cp\u003eThe product's title specifically highlights the \"Set Screw Style\" locking mechanism, a widely adopted and highly effective method for securing the bearing insert onto the rotating shaft. This mechanism involves one or more set screws threaded radially through the inner ring of the bearing, which are then tightened against the shaft. The tip of the set screw creates localized pressure on the shaft surface, generating sufficient frictional force to prevent relative motion between the shaft and the bearing's inner ring. This prevents shaft slippage, ensuring that the bearing rotates synchronously with the shaft, which is critical for consistent power transmission and precise motion control. The set screw design offers several practical advantages: it is generally straightforward to install and remove with standard tools, making maintenance and replacement procedures simpler and faster. Its compact nature allows for installation in areas where axial space might be limited. While providing a secure hold, it also offers a degree of adjustability, allowing for minor repositioning of the bearing on the shaft during installation. This robust locking mechanism is a cornerstone of the bearing's ability to maintain continuous smooth operation and prevent unintended disengagement, thus contributing directly to the reliability and safety of the machinery it serves.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eOptimizing Performance: Self-Alignment and Driveline Grade Quality\u003c\/h3\u003e\u003cp\u003eThis flange bearing is equipped with a \"Self Aligning\" bearing insert, a feature that significantly enhances its adaptability and performance in real-world applications. A self-aligning bearing is designed with a spherical outer race, allowing the inner ring, rolling elements, and cage assembly to pivot within the housing. This inherent flexibility enables the bearing to compensate for initial static misalignment between the shaft and the housing bore, as well as dynamic misalignment that may occur during operation due to shaft deflection, housing distortion, or imprecise mounting. By automatically adjusting its internal geometry, the self-aligning feature prevents the imposition of harmful edge loads on the rolling elements, which can lead to premature wear and failure in rigid bearings. This capability not only prolongs the bearing's lifespan but also reduces friction, heat generation, and operational noise, leading to improved overall mechanical efficiency. Coupled with its \"driveline-grade steel bearing\" insert, this product is specifically engineered for severe-duty applications where high torque, continuous rotation, and potential misalignment are inherent challenges. The driveline-grade quality assures that the steel has been processed and treated to withstand the dynamic stresses and shock loads typically encountered in power transmission systems, further cementing the bearing's reputation for exceptional resilience and consistent performance under rigorous conditions.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eSimplified Integration and Maintenance Protocols\u003c\/h3\u003e\u003cp\u003eBeyond its robust construction and advanced features, the design of this flange bearing also prioritizes ease of integration and simplified maintenance, minimizing downtime and operational costs.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch4\u003eInstallation Efficiency: The 4-Hole Standard\u003c\/h4\u003e\u003cp\u003eThe bearing features a \"standard 4 bolt mounting design\" with a \"Square\" bolt pattern, which is a common and highly practical configuration across industrial machinery. The four equidistant bolt holes, precisely located at a \"Bolt Hole Center to Center\" distance of 2.516 inches, provide a stable and secure attachment to the mounting surface. This standardized bolt pattern simplifies installation by allowing for interchangeability with many existing flange bearing mounts and reducing the complexity of designing new equipment. The specified \"Bolt Size\" of 0.375 inches indicates the appropriate fastener diameter for secure attachment, and the \"S (diagram\/Bolt Hole Diameter)\" of 0.469 inches ensures proper clearance for the bolts. The 4-bolt design inherently offers excellent stability and load distribution across the mounting structure, preventing rocking or displacement of the bearing during operation. Furthermore, the compact overall dimensions—\"Overall Height\" of 3.38 inches, \"Overall Width\" of 3.38 inches, and \"Overall Depth\" of 1.31 inches—contribute to its claim of \"easy installation even in tight places.\" This compact footprint makes it highly adaptable for integration into machinery where space is at a premium, without compromising on performance or mounting integrity.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch4\u003eProactive Maintenance: The Integrated Grease Fitting\u003c\/h4\u003e\u003cp\u003eCritical to the longevity and sustained performance of any rolling element bearing is proper lubrication, and this product explicitly addresses this with the inclusion of a \"Greasable (y\/n): Yes\" feature via an integrated grease fitting. This external access point allows for the regular replenishment of lubricant without requiring disassembly of the bearing or the machinery. Grease serves multiple vital functions: it reduces friction between the rolling elements and races, dissipates heat generated by operation, protects against corrosion by forming a protective barrier, and helps to seal out contaminants such as dust, dirt, and moisture from entering the sensitive internal components. Regular greasing, adhering to manufacturer-recommended intervals and lubricant types, is a cornerstone of proactive maintenance that significantly extends the service life of the bearing. By ensuring that fresh grease is introduced, old, degraded, or contaminated lubricant is purged, thereby maintaining optimal internal conditions. This ease of maintenance through the grease fitting directly translates to reduced operational costs by preventing premature bearing failures, minimizing downtime for repairs, and ensuring the \"continual smooth operation\" promised by the product description. The accessibility and simplicity of this lubrication method make it an invaluable asset for maintenance teams in any industrial setting.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eDetailed Technical Specifications and Design Considerations\u003c\/h3\u003e\u003cp\u003eA thorough understanding of the detailed technical specifications is essential for engineers and designers to ensure proper integration and optimal performance of the 3\/4 Inch Shaft Diameter Set Screw Style Flange Bearing within any mechanical system.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch4\u003eDimensional Precision: Bore, Bolt Pattern, and Overall Footprint\u003c\/h4\u003e\u003cp\u003eThe \"Bore Diameter\" of 0.750 inches precisely defines the shaft size this bearing is designed to accommodate. This critical dimension ensures a snug fit with a 3\/4 inch shaft, which is foundational for preventing relative motion and maintaining concentricity. The \"Bolt Hole Center to Center\" measurement of 2.516 inches, combined with the \"Square\" \"Bolt Pattern,\" provides precise coordinates for mounting. This square arrangement is highly stable and facilitates straightforward alignment during installation. The \"Bolt Size\" of 0.375 inches specifies the diameter of the fastener required, while the \"S (diagram\/Bolt Hole Diameter)\" of 0.469 inches indicates the clearance hole diameter, accommodating typical bolt manufacturing tolerances and facilitating ease of assembly without excessive play. The \"Overall Height\" and \"Overall Width\" of 3.38 inches define the square footprint of the flange, while the \"Overall Depth\" of 1.31 inches indicates the projection from the mounting surface. These dimensions are crucial for spatial planning and ensuring adequate clearance within machinery layouts. These precise measurements are not arbitrary; they are the result of engineering calculations aimed at providing maximum stability, load distribution, and compatibility with industry-standard components.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch4\u003eInterpreting Engineering Diagrams (Bi, G, I, L, S)\u003c\/h4\u003e\u003cp\u003eThe specification table includes several parameters labeled with single letters, which typically refer to specific dimensions on an engineering diagram or blueprint. These are invaluable for precise mechanical integration:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\"Bi (Diagram)\": 1.221 inches. This dimension often refers to the width of the inner ring or some critical internal component of the bearing insert, influencing shaft fitment characteristics and overall bearing stability.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\"G (diagram)\": 0.47 inches. This likely represents the radial distance from the centerline of the shaft to a specific point on the housing or the grease fitting, crucial for clearance assessments and lubrication access planning.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\"I (diagram)\": 0.59 inches. This could denote the height of the mounting base or the distance from the mounting surface to a particular feature, essential for ensuring proper support and alignment.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\"L (diagram)\": 1.00 inch. This typically refers to the overall length of the inner ring or the axial width of the bearing unit, impacting the shaft's effective bearing length and overall axial space requirements.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\"S (diagram\/Bolt Hole Diameter)\": 0.469 inches. As mentioned, this is the diameter of the bolt hole, ensuring compatibility with 0.375-inch bolts while providing necessary clearance for assembly.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese detailed dimensions enable engineers to accurately model the bearing in CAD systems, perform interference checks, and design complementary components such as shafting, mounting plates, and guarding with absolute precision. This level of technical detail underscores the product's suitability for rigorous engineering applications where every millimeter counts.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eVersatile Applications Across Industries\u003c\/h3\u003e\u003cp\u003eThe design and robust construction of the 3\/4 Inch Shaft Diameter Set Screw Style Flange Bearing make it exceptionally versatile, suitable for a broad spectrum of industrial and commercial applications requiring reliable shaft support and power transmission. Its inherent durability and ease of maintenance position it as an indispensable component in many sectors. Common applications include: material handling systems such as conveyor belts, roller conveyors, and sorters, where continuous, smooth operation is vital for productivity; agricultural machinery, including harvesters, tillers, and feeders, which operate in challenging environments with dust, debris, and varying loads; packaging machinery, where precision and high-speed operation demand consistent bearing performance; food processing equipment, where the robust housing and potentially sealed bearing design (though not explicitly detailed, common for these types) can withstand washdowns and hygienic requirements; and general industrial machinery like pumps, fans, blowers, and textile machines. Furthermore, it is ideally suited for light to medium-duty power transmission applications in manufacturing plants, mining operations, forestry equipment, and various types of custom-built machinery. Its ability to accommodate initial misalignment and provide a secure shaft lock ensures reliable operation even when installation conditions are less than perfect or dynamic loads introduce slight shaft deflection. The combination of a strong cast iron housing and a durable carbon steel bearing insert makes it an excellent choice for environments where shock loads, vibrations, and continuous operation are the norm, offering a dependable solution that minimizes the risk of unexpected downtime and extends the operational life of the equipment it supports.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eThe Buyers Products Advantage: Reliability and Long-Term Value\u003c\/h3\u003e\u003cp\u003eChoosing the Buyers Products 3\/4 Inch Shaft Diameter Set Screw Style Flange Bearing means investing in a component that exemplifies engineering excellence and a commitment to quality. Buyers Products is renowned for delivering robust, high-performance solutions engineered to meet the stringent demands of industrial and commercial applications. This bearing is a testament to that legacy, designed not just for immediate functionality but for long-term endurance and reliability. The meticulous selection of materials, from the driveline-grade carbon steel bearing insert to the sturdy cast iron housing, ensures exceptional resistance to wear, fatigue, and environmental degradation. The integrated self-aligning feature and set screw locking mechanism underscore a design philosophy focused on optimizing performance, simplifying installation, and ensuring operational stability. Furthermore, the inclusion of a grease fitting highlights a proactive approach to maintenance, empowering users to maximize the bearing's service life and minimize unscheduled downtime. This holistic approach to product development translates into significant long-term value, characterized by reduced maintenance costs, enhanced operational efficiency, and prolonged machinery lifespan. Buyers Products stands behind its engineering, providing components that are not just parts, but integral solutions designed to elevate the performance and reliability of your critical equipment.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eConclusion\u003c\/h3\u003e\u003cp\u003eThe 3\/4 Inch Shaft Diameter Set Screw Style Flange Bearing, with its 4-hole mounting, stands as a testament to robust engineering and thoughtful design. Combining a durable carbon steel, self-aligning bearing insert within a rugged cast iron housing, and secured by an effective set screw locking mechanism, this product is engineered for exceptional longevity and consistent performance. Its precise dimensions, ease of installation, and integrated lubrication capability ensure seamless integration and minimal maintenance across a wide array of industrial applications. For systems demanding unwavering reliability and efficient power transmission, this flange bearing delivers a superior solution, promising extended operational life and optimized machinery performance.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449339924851,"sku":"4F12SCR","price":8.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F24SCR_Bottom.jpg?v=1768840375"},{"product_id":"4f16scr-1-inch-shaft-diameter-set-screw-style-flange-bearing-4-hole","title":"4F16SCR - 1 Inch Shaft Diameter Set Screw Style Flange Bearing - 4 Hole","description":"\u003cp\u003eBuyers Products 2 Inch Set Screw Locking Flange Bearing (4 Bolt) is built for long life with simple installation and maintenance. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.339\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.469\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAdvanced Technical Overview: The 1 Inch Set Screw Style 4-Hole Flange Bearing for Demanding Industrial Applications\u003c\/h2\u003e\n\u003cp\u003eIn the realm of industrial power transmission and motion control, the selection of appropriate bearing units is paramount to ensuring operational efficiency, system longevity, and minimized downtime. The 1 Inch Shaft Diameter Set Screw Style Flange Bearing with a 4-Hole configuration represents a meticulously engineered solution designed to meet the rigorous demands of various industrial environments. This product integrates robust material science with a functional design, providing reliable shaft support and rotational precision in a compact and easily maintainable package.\u003c\/p\u003e\n\u003cp\u003eFlange bearings, characterized by their mounting surface that permits direct attachment to a machine frame, are indispensable for applications requiring reliable shaft support in locations perpendicular to the mounting surface. The specific 1-inch bore diameter of this unit ensures compatibility with a widely adopted shaft standard, facilitating seamless integration into existing and new mechanical designs. Its set screw locking mechanism is a testament to its practical engineering, offering a straightforward yet secure method for attaching the bearing to the shaft, effectively preventing unwanted axial or rotational slippage under dynamic loads.\u003c\/p\u003e\n\u003ch3\u003eCore Components and Materials: Engineering for Unwavering Durability and Performance\u003c\/h3\u003e\n\u003cp\u003eThe integrity and performance of any bearing unit are fundamentally determined by the quality and characteristics of its constituent materials. This 1 Inch Flange Bearing leverages a synergy of high-grade materials to deliver exceptional strength, wear resistance, and operational resilience.\u003c\/p\u003e\n\u003ch4\u003eBearing Insert Material: High-Performance Carbon Steel\u003c\/h4\u003e\n\u003cp\u003eAt the heart of this flange bearing lies a precision-machined bearing insert crafted from high-quality Carbon Steel. Carbon steel is a ferrous alloy primarily composed of iron and carbon, renowned for its superior mechanical properties. The specific grade of carbon steel chosen for this bearing insert provides an optimal balance of hardness, tensile strength, and fatigue resistance, which are critical attributes for components subjected to continuous rotational stresses and varying load conditions. In bearing applications, carbon steel offers excellent wear resistance, particularly when properly lubricated, contributing significantly to the bearing's extended service life. Its structural integrity ensures that the internal rolling elements maintain their geometric precision over time, thereby preserving the bearing's low friction characteristics and rotational accuracy. The inherent strength of carbon steel allows this driveline-grade bearing to reliably support radial and moderate thrust loads, making it suitable for demanding power transmission systems.\u003c\/p\u003e\n\u003ch4\u003eHousing Material: Robust Cast Iron Construction\u003c\/h4\u003e\n\u003cp\u003eEncasing the carbon steel bearing insert is a rugged housing constructed from Cast Iron. Cast iron is a widely preferred material for bearing housings due particularly to its exceptional compressive strength, rigidity, and inherent vibration damping capabilities. In industrial settings where machinery often generates vibrations and operates under fluctuating forces, a cast iron housing plays a crucial role in absorbing and dissipating these kinetic energies, thus protecting the bearing insert and extending its operational life. Furthermore, cast iron exhibits excellent dimensional stability across a range of operating temperatures, ensuring that the bearing's alignment and mounting integrity are maintained even under thermal expansion or contraction. Its substantial mass contributes to the overall stability of the bearing unit, minimizing deflection and promoting smooth operation. The material's resistance to corrosion, when properly finished, also enhances its suitability for diverse industrial environments, including those exposed to moisture or certain chemical agents. This combination of a carbon steel insert within a cast iron housing forms a robust assembly engineered for sustained performance and reliability.\u003c\/p\u003e\n\u003ch3\u003ePrecision Engineering: Self-Alignment and Secure Shaft Locking\u003c\/h3\u003e\n\u003cp\u003eBeyond material selection, the functional design principles applied to this flange bearing are crucial for its superior performance, especially in challenging industrial contexts where perfect alignment cannot always be guaranteed.\u003c\/p\u003e\n\u003ch4\u003eBearing Insert Type: Self-Aligning Capability\u003c\/h4\u003e\n\u003cp\u003eA key feature of this 1 Inch Flange Bearing is its Self-Aligning bearing insert type. This innovative design allows the bearing to compensate for initial static misalignment or dynamic shaft deflections that may occur during operation. In typical applications, it is incredibly difficult to achieve perfect alignment between a shaft and its bearing supports due to manufacturing tolerances, structural settling, or dynamic loads. A self-aligning bearing possesses an outer race or housing bore that is spherically contoured, allowing the inner ring and rolling elements to pivot slightly around the shaft's axis. This inherent flexibility prevents the imposition of damaging bending moments on the bearing elements, which would otherwise lead to premature wear, increased friction, and potential catastrophic failure. By automatically adjusting to minor misalignments, the self-aligning feature significantly reduces stress concentration, extends the bearing's fatigue life, and ensures more uniform load distribution across the rolling elements. This capability is particularly beneficial in long shaft applications or systems where frame distortions are a possibility.\u003c\/p\u003e\n\u003ch4\u003eLocking Type: The Dependable Set Screw Mechanism\u003c\/h4\u003e\n\u003cp\u003eThe \"Set Screw\" locking type is a fundamental aspect of this flange bearing's design, offering a reliable and straightforward method for securing the bearing to a 1-inch shaft. The mechanism involves one or more set screws threaded radially into the inner ring of the bearing. These screws are tightened against the shaft, creating a localized indentation or gripping force that locks the bearing in place. The primary advantage of a set screw locking mechanism is its simplicity of installation and removal, requiring only a hexagonal wrench. It provides a positive lock that effectively prevents both axial movement and rotational slippage of the shaft relative to the bearing, which is critical for maintaining timing and power transmission integrity. While highly effective, proper installation is crucial: ensuring adequate torque is applied to the set screws is essential to prevent loosening under vibration, but over-tightening should be avoided to prevent shaft damage. The set screw design contributes to the \"avoids shaft slippage\" benefit highlighted in the initial description, making it a robust choice for many industrial applications. Compared to other locking methods like eccentric locking collars or concentric locking mechanisms, set screws offer a cost-effective and easily adjustable solution for a wide range of operational speeds and loads where moderate shock and vibration are present.\u003c\/p\u003e\n\u003ch3\u003eCritical Dimensional Specifications for Seamless Integration\u003c\/h3\u003e\n\u003cp\u003eThe precise dimensional specifications of this 1 Inch Flange Bearing are fundamental for its proper fitment, performance, and interchangeability within complex mechanical systems. Understanding these parameters is essential for engineers and designers.\u003c\/p\u003e\n\u003ch4\u003eBore Diameter: The 1.000-Inch Precision Interface\u003c\/h4\u003e\n\u003cp\u003eThe Bore Diameter of 1.000 inches (1 inch) is the critical internal dimension of the bearing, defining the exact diameter of the shaft it is designed to accommodate. This precise dimension ensures a snug fit with standard 1-inch shafts, minimizing play and maximizing the transfer of rotational motion. The accuracy of this bore is crucial for maintaining concentricity and preventing unwanted vibrations or oscillations during operation, contributing to the overall stability and efficiency of the machinery.\u003c\/p\u003e\n\u003ch4\u003eFlange Configuration: Robust 4-Hole, Square Bolt Pattern\u003c\/h4\u003e\n\u003cp\u003eThe mounting configuration of this flange bearing is a 4-Hole, Square Bolt Pattern, which is a widely recognized and utilized standard in industrial applications. This design provides exceptional stability and robust attachment to the machine frame. The four mounting holes distribute the static and dynamic loads evenly across the mounting surface, reducing localized stress points and enhancing the overall structural integrity of the bearing assembly. The specific dimensions associated with this pattern include a Bolt Hole Center to Center distance of 2.750 inches, indicating the precise spacing between adjacent bolt centers. The nominal Bolt Size is 0.375 inches (3\/8 inch), defining the recommended diameter for the mounting bolts. Furthermore, the S (diagram\/Bolt Hole Diameter) of 0.469 inches specifies the actual diameter of the mounting holes in the flange, providing a slight clearance for the 0.375-inch bolts, which facilitates easier installation and accounts for minor alignment variations during assembly. This standardized square bolt pattern ensures broad compatibility and simplified replacement procedures.\u003c\/p\u003e\n\u003ch4\u003eOverall Dimensions: Spatial Considerations and Design Integration\u003c\/h4\u003e\n\u003cp\u003eThe physical envelope of the flange bearing is defined by its Overall Height of 3.75 inches, Overall Width of 3.75 inches, and Overall Depth of 1.41 inches. These dimensions are crucial for integrating the bearing into machinery designs where space might be a limiting factor. The compact and symmetrical design (3.75\" x 3.75\" flange face) allows for efficient use of available mounting area, while the relatively shallow depth of 1.41 inches ensures it does not protrude excessively, minimizing potential interference with other components. These measurements are vital for CAD modeling, ensuring correct clearances, and designing appropriate structural supports.\u003c\/p\u003e\n\u003ch4\u003eDiagrammatic Dimensions: Precision for Engineering Design (Bi, G, I, L)\u003c\/h4\u003e\n\u003cp\u003eThe additional diagrammatic dimensions provide further granular detail essential for precise engineering and manufacturing:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBi (Diagram): 1.339 inches\u003c\/b\u003e - This likely refers to the width of the bearing insert or inner ring projection, critical for shaft shoulder clearances or seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eG (diagram): 0.56 inches\u003c\/b\u003e - Typically denotes the distance from the bearing centerline to a specific feature, often related to the base of the housing or a mounting feature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eI (diagram): 0.63 inches\u003c\/b\u003e - This dimension could represent the thickness of the flange itself or a specific offset from the mounting surface to the bearing centerline, vital for calculating shaft lengths and component clearances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eL (diagram): 1.06 inches\u003c\/b\u003e - Often refers to the total length of the inner ring or the overall length of the bearing unit, which directly impacts shaft seating and potential sealing arrangements.\u003c\/li\u003e\n\u003c\/ul\u003eThese specific measurements are indispensable for designers to accurately model the bearing in their assemblies, ensure proper fit and function, and confirm adherence to strict mechanical tolerances.\n\u003ch3\u003eOptimized Performance and Operational Longevity\u003c\/h3\u003e\n\u003cp\u003eThe design and material choices of this 1 Inch Set Screw Style Flange Bearing are inherently focused on delivering optimized performance and extending the operational life of industrial equipment.\u003c\/p\u003e\n\u003ch4\u003eGreasable Feature: Essential for Continuous Smooth Operation and Longevity\u003c\/h4\u003e\n\u003cp\u003eThe \"Greasable (y\/n): Yes\" specification, coupled with the inclusion of a grease fitting, underscores a critical aspect of this bearing's design: ease of maintenance for continuous smooth operation. Proper lubrication is fundamental to bearing health, reducing friction between rolling elements and races, dissipating heat, and providing a protective barrier against contaminants. The grease fitting allows for easy replenishment of lubricant, ensuring that the carbon steel bearing insert remains adequately lubricated throughout its service life. Regular regreasing intervals, determined by operating conditions, load, and speed, are crucial for flushing out old, degraded grease and introducing fresh lubricant. This proactive maintenance regimen significantly mitigates wear, prevents premature bearing failure, and contributes directly to the \"long life\" promised by the product. Utilizing the appropriate type and quantity of grease is vital for maximizing the benefits of this greasable design.\u003c\/p\u003e\n\u003ch4\u003eDriveline-Grade Steel Bearing: Engineered for Dynamic Loads\u003c\/h4\u003e\n\u003cp\u003eThe mention of \"driveline-grade steel bearing\" signifies that the carbon steel insert is specifically engineered to withstand the dynamic and often arduous conditions associated with power transmission systems. Drivelines inherently experience torsional loads, varying speeds, and potential shock loads. A driveline-grade bearing implies enhanced fatigue strength, resistance to brinelling (indentations from static overload or impact), and robust performance under continuous rotational stress. This quality assurance ensures that the bearing can reliably support the operational demands of demanding applications, contributing to the overall ruggedness and durability of the assembly.\u003c\/p\u003e\n\u003ch4\u003eRugged and Durable Construction: An Integrated System\u003c\/h4\u003e\n\u003cp\u003eThe synergistic combination of the driveline-grade carbon steel bearing insert and the cast iron housing culminates in a truly \"rugged and durable\" bearing unit. This integrated construction is designed to withstand the harsh realities of industrial environments, including exposure to dirt, debris, moisture, and temperature fluctuations. The robust housing protects the precision internal components, while the strong bearing insert handles the rotational forces. This comprehensive approach to durability minimizes the need for frequent replacements, reduces maintenance costs, and improves overall equipment uptime.\u003c\/p\u003e\n\u003ch3\u003eVersatile Industrial Applications\u003c\/h3\u003e\n\u003cp\u003eGiven its robust construction, precise 1-inch bore diameter, and reliable set screw locking mechanism, this flange bearing is ideally suited for a broad spectrum of industrial applications where reliable shaft support and power transmission are essential. Common applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eConveyor Systems:\u003c\/b\u003e Providing critical support for drive and idler shafts in material handling conveyors across various industries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAgricultural Machinery:\u003c\/b\u003e Enduring harsh outdoor conditions and heavy loads in equipment such as balers, harvesters, and cultivators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndustrial Fans and Blowers:\u003c\/b\u003e Supporting impeller shafts in ventilation and air movement systems, where smooth, vibration-free operation is key.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePumps and Mixers:\u003c\/b\u003e Offering robust support for shafts in fluid handling and processing equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePackaging Equipment:\u003c\/b\u003e Maintaining precise motion control in automated packaging lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTextile Machinery:\u003c\/b\u003e Supporting numerous shafts involved in fabric production and processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGeneral Power Transmission:\u003c\/b\u003e Any application requiring a 1-inch shaft to be supported against radial and light thrust loads with a positive locking mechanism.\u003c\/li\u003e\n\u003c\/ul\u003eIts adaptability to varying load conditions and operational speeds makes it a versatile component for machinery requiring consistent and dependable rotational performance.\n\u003ch3\u003eInstallation, Maintenance Best Practices, and Value Proposition\u003c\/h3\u003e\n\u003cp\u003eThe design ethos of this 1 Inch Set Screw Style Flange Bearing prioritizes \"simple installation and maintenance.\" For optimal performance and longevity, proper installation involves ensuring the shaft is clean and free of burrs, sliding the bearing onto the shaft, positioning it correctly, and then tightening the set screws evenly and to the manufacturer's recommended torque specifications. This precise tightening prevents shaft damage and ensures maximum gripping force to avoid slippage. Ongoing maintenance primarily revolves around regular lubrication via the integrated grease fitting, following a schedule tailored to the specific operating environment and load. Periodic inspection for signs of wear, unusual noise, or vibration will also help identify potential issues before they escalate.\u003c\/p\u003e\n\u003cp\u003eThe ultimate value proposition of this Buyers Products 1 Inch Set Screw Style Flange Bearing lies in its unique blend of robust engineering, material excellence, and design foresight. It offers engineers and equipment operators a reliable, durable, and easily maintainable solution for shaft support. By minimizing downtime through extended service life and simplified upkeep, this bearing directly contributes to enhanced operational efficiency and a lower total cost of ownership for a wide array of industrial machinery.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449339990387,"sku":"4F16SCR","price":11.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F24SCR_Bottom_b278023f-4fcc-41c4-91fb-c910be8d4b68.jpg?v=1768840377"},{"product_id":"4f20scr-1-1-4-inch-shaft-diameter-set-screw-style-flange-bearing-4-hole","title":"4F20SCR - 1-1\/4 Inch Shaft Diameter Set Screw Style Flange Bearing - 4 Hole","description":"\u003cp\u003eBuyers Products 2 Inch Set Screw Locking Flange Bearing (4 Bolt) is built for long life with simple installation and maintenance.   The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border=\" solid\u003e4.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.469\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTechnical Overview: 1-1\/4 Inch Shaft Diameter Set Screw Style Flange Bearing - 4 Hole\u003c\/h2\u003e\n\u003cp\u003eThis detailed technical description provides an in-depth analysis of the 1-1\/4 Inch Shaft Diameter Set Screw Style Flange Bearing with a 4-hole mounting configuration. Designed for robust performance in demanding industrial applications, this component embodies a synergy of precision engineering, durable material selection, and user-centric design principles. It serves as a critical interface for transmitting rotational motion while providing unwavering support to rotating shafts, ensuring system stability and operational longevity.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Engineering for Optimal Shaft Support\u003c\/h3\u003e\n\u003cp\u003eAt the core of this bearing's utility is its precisely engineered 1-1\/4 inch (1.250 inch) bore diameter, meticulously machined to provide an exact fit for corresponding shaft dimensions. The accuracy of this bore is paramount for several reasons: it minimizes radial play, thus reducing vibration and noise, and it ensures uniform distribution of radial and thrust loads across the bearing surfaces. An improperly sized bore can lead to excessive friction, premature wear, and even catastrophic failure of the shaft or bearing, highlighting the importance of this critical dimension in industrial power transmission systems. The self-aligning bearing insert further refines this precision by allowing for minor angular misalignments that inevitably occur during installation or due to structural deflections in machinery. This inherent flexibility reduces stress concentrations on the shaft and bearing, extending the operational life of the entire assembly and mitigating the risk of fretting corrosion or fatigue.\u003c\/p\u003e\n\n\u003ch3\u003eRobust Construction: Materials and Metallurgy\u003c\/h3\u003e\n\u003cp\u003eThe superior durability and reliability of this flange bearing are directly attributable to its judicious selection of construction materials: a rugged cast iron housing and a high-performance carbon steel bearing insert. Each material plays a distinct, yet complementary, role in the overall integrity and functionality of the unit.\u003c\/p\u003e\n\n\u003ch4\u003eCast Iron Housing: Strength, Stability, and Vibration Damping\u003c\/h4\u003e\n\u003cp\u003eThe housing of this flange bearing is constructed from high-grade cast iron, a material celebrated in mechanical engineering for its exceptional compressive strength, rigidity, and inherent vibration damping capabilities. Cast iron, specifically grey cast iron often used for bearing housings, possesses a microstructure characterized by graphite flakes embedded within a metallic matrix. These graphite flakes act as microscopic stress concentrators and also contribute to its damping properties, effectively absorbing kinetic energy and reducing resonant vibrations that can otherwise destabilize rotating machinery. This characteristic is particularly vital in applications where dynamic loads and intermittent impacts are prevalent. Furthermore, cast iron offers excellent dimensional stability over a wide range of operating temperatures, ensuring that the bearing's mounting and alignment are maintained even under varying thermal conditions. Its resistance to deformation under heavy static and dynamic loads provides a stable platform for the internal bearing element, safeguarding the precision of the rotating assembly and extending service intervals in harsh industrial environments.\u003c\/p\u003e\n\n\u003ch4\u003eCarbon Steel Bearing Insert: Wear Resistance and Load Capacity\u003c\/h4\u003e\n\u003cp\u003eThe internal bearing insert is fabricated from driveline-grade carbon steel. Carbon steel is chosen for its superior hardness, wear resistance, and high load-bearing capacity, particularly after appropriate heat treatment processes. The specific composition and heat treatment regimen impart a microstructure that offers an optimal balance of toughness and surface hardness. This enables the bearing to withstand the high contact stresses and abrasive wear inherent in continuous rotation, even under significant radial and axial loads. The 'driveline-grade' designation implies that the steel meets stringent specifications for applications involving power transmission, where high torque, shock loads, and cyclic fatigue are common. This ensures the bearing maintains its structural integrity and functional performance over extended operational periods, minimizing friction and optimizing energy efficiency within the mechanical system. The interface between the carbon steel bearing and the rotating shaft is where the majority of frictional forces are managed, making the material's properties critical for sustained smooth operation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Set Screw Locking Mechanism: Secure Shaft Retention\u003c\/h3\u003e\n\u003cp\u003eA distinctive feature of this flange bearing is its set screw locking mechanism. This design provides a highly effective and positive means of securing the bearing onto the shaft, preventing axial movement and rotation relative to the shaft. The mechanism typically involves two or more set screws strategically positioned on the inner ring of the bearing. These screws are tightened against the shaft, creating a localized high-pressure contact point that generates sufficient frictional force to resist slippage. The advantages of a set screw design are multifaceted:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePositive Shaft Retention:\u003c\/strong\u003e It ensures a secure fit, even under conditions of high vibration, shock loads, or reversing torque, which could cause alternative locking methods to loosen.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEase of Installation and Removal:\u003c\/strong\u003e Compared to interference fits or specialized adapter sleeves, set screws simplify installation, requiring fewer specialized tools and less time. They also facilitate straightforward removal for maintenance or replacement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCost-Effectiveness:\u003c\/strong\u003e This locking method is generally more economical than some other shaft locking solutions, without compromising on performance for many applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMinimized Shaft Damage:\u003c\/strong\u003e While set screws do create small indentations on the shaft, proper tightening procedures and periodic inspection can minimize undue wear or stress concentrations on the shaft itself. The benefit of robust shaft retention often outweighs this minor consideration in most industrial contexts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe set screw locking mechanism is particularly well-suited for applications where quick assembly and reliable shaft attachment are paramount, making it a preferred choice in many material handling, agricultural, and general industrial machinery sectors.\u003c\/p\u003e\n\n\u003ch3\u003eEnhanced Maintenance and Operational Longevity: The Greasable Design\u003c\/h3\u003e\n\u003cp\u003eThe inclusion of a grease fitting, designating the bearing as 'greasable,' is a critical aspect of its design, specifically engineered to maximize operational lifespan and facilitate routine preventative maintenance. Lubrication is the lifeblood of any rolling element bearing, serving several vital functions:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e A layer of lubricant separates the rolling elements from the raceways, drastically reducing friction, wear, and heat generation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e The circulating grease helps to carry away heat generated by friction, preventing thermal expansion and material degradation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eContamination Protection:\u003c\/strong\u003e The grease forms a protective barrier, preventing the ingress of dust, moisture, and other particulate contaminants that can cause abrasive wear and corrosion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCorrosion Prevention:\u003c\/strong\u003e Lubricants often contain additives that inhibit corrosion on the metallic surfaces of the bearing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe integrated grease fitting, typically a Zerk fitting, allows for direct, controlled injection of fresh lubricant into the bearing cavity using a standard grease gun. This straightforward maintenance procedure replenishes the grease supply, purges old, contaminated grease, and ensures that the bearing operates under optimal lubrication conditions. This feature significantly contributes to the bearing's 'long life' by mitigating the primary causes of premature bearing failure and sustaining smooth, efficient operation across extended service intervals.\u003c\/p\u003e\n\n\u003ch3\u003eStandardized 4-Hole Mounting for Versatility\u003c\/h3\u003e\n\u003cp\u003eThe 4-hole (4-bolt) mounting design with a square bolt pattern is a ubiquitous standard in industrial bearing installations, offering exceptional stability, load distribution, and ease of integration into diverse machinery. With a bolt hole center-to-center distance of 3.516 inches and suitable for 0.375 inch bolts, this configuration provides a robust attachment to machine frames or structural components. The square pattern ensures even distribution of mounting forces, reducing localized stress concentrations on the housing and the mounting surface. Its inherent symmetry simplifies alignment during installation. Furthermore, the standardized nature of this mounting pattern means that it can be readily interchanged with other industry-standard components, offering flexibility in design and maintenance. The design's compact footprint, with an overall height and width of 4.25 inches and an overall depth of 1.59 inches, facilitates installation even in spatially constrained environments, aligning with the practical demands of industrial equipment design.\u003c\/p\u003e\n\n\u003ch3\u003eDimensional Specifications and Their Engineering Significance\u003c\/h3\u003e\n\u003cp\u003eUnderstanding the detailed dimensional specifications is crucial for design engineers and maintenance professionals to ensure proper fit, function, and interchangeability. Each specified dimension plays a role in the bearing's application suitability:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBore Diameter (1.250 inches):\u003c\/strong\u003e This is the internal diameter of the bearing, dictating the shaft size it can accommodate. Precise fit is critical for performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverall Height (4.25 inches), Overall Width (4.25 inches), Overall Depth (1.59 inches):\u003c\/strong\u003e These external dimensions define the physical envelope of the bearing, essential for space planning, interference checking, and ensuring adequate clearance within machinery designs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBolt Hole Center to Center (3.516 inches) and Bolt Hole Diameter (S) (0.469 inches):\u003c\/strong\u003e These dimensions are vital for creating accurate mounting patterns on mating surfaces, ensuring the bearing can be securely bolted into place without misalignment or undue stress.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBi (Diagram) (1.500 inches):\u003c\/strong\u003e This dimension typically refers to the width of the inner ring or the bearing insert itself, influencing the bearing's load capacity and stability on the shaft.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eG (Diagram) (0.56 inches):\u003c\/strong\u003e Often related to the distance from the mounting surface to a specific point on the bearing, crucial for shaft positioning and alignment relative to other components.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eI (Diagram) (0.70 inches):\u003c\/strong\u003e This dimension might indicate the depth of the inner ring or the projection of the bearing from the housing face, important for accommodating shaft shoulders or seals.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eL (Diagram) (1.22 inches):\u003c\/strong\u003e This could represent the length of the housing through the bore or a similar critical housing dimension that affects mounting or component integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese precise measurements enable engineers to accurately model and integrate the bearing into complex mechanical assemblies, ensuring functional integrity and reliable performance across the product's lifespan.\u003c\/p\u003e\n\n\u003ch3\u003eSelf-Aligning Capability: Accommodating Dynamic Conditions\u003c\/h3\u003e\n\u003cp\u003eThe 'Self Aligning' attribute of the bearing insert is a sophisticated design feature that significantly enhances the operational robustness of the flange bearing. In real-world industrial applications, perfect alignment between the shaft and the bearing housing is challenging to achieve and maintain. Structural deflections, thermal expansion, imprecise machining, or even settling of foundations can introduce angular misalignments. A self-aligning bearing possesses an outer race that is spherically ground, allowing the inner ring and rolling elements to pivot slightly within the housing. This angular freedom compensates for initial mounting misalignments and dynamic shaft deflections, preventing edge loading on the rolling elements which would otherwise lead to premature fatigue and failure. By distributing loads evenly, the self-aligning feature dramatically extends the bearing's service life, reduces power consumption by minimizing frictional losses, and significantly improves the overall reliability of the machinery, particularly in long shaft applications or where structural flexibility is a design consideration.\u003c\/p\u003e\n\n\u003ch3\u003eApplications and Industries\u003c\/h3\u003e\n\u003cp\u003eThe specific combination of features—1-1\/4 inch bore, set screw locking, cast iron housing, carbon steel insert, self-aligning design, and 4-hole mounting—makes this flange bearing exceptionally versatile and indispensable across a broad spectrum of industrial applications. Common industries and machinery where this component excels include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial Handling Systems:\u003c\/strong\u003e Essential for conveyor systems, roller beds, and sorters where shafts need reliable support under continuous operation and varying loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAgricultural Equipment:\u003c\/strong\u003e Used in tractors, harvesters, and other farm machinery, providing durable shaft support in demanding, often dusty and wet, outdoor conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Transmission Equipment:\u003c\/strong\u003e Integral to gearboxes, drive shafts, and pulley systems, ensuring smooth and efficient transfer of rotational energy.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Fans and Blowers:\u003c\/strong\u003e Providing stable support for impellers and fan shafts, crucial for preventing vibration and ensuring quiet operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePumps and Compressors:\u003c\/strong\u003e Supporting rotating shafts in various fluid handling and air compression systems, where reliability is paramount.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTextile Machinery:\u003c\/strong\u003e Offering precise and consistent shaft support for rollers and spindles, critical for product quality and machine efficiency.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFood Processing Machinery:\u003c\/strong\u003e Where robust and easily maintainable components are required, though material suitability for direct food contact would need further evaluation for specific applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGeneral Industrial Machinery:\u003c\/strong\u003e Any application requiring reliable, fixed-position shaft support with a standard mounting pattern, accommodating moderate to heavy loads and speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts rugged construction and ease of maintenance are particularly valued in environments where downtime is costly and operational continuity is critical.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion: A Benchmark in Industrial Bearing Technology\u003c\/h3\u003e\n\u003cp\u003eThe 1-1\/4 Inch Shaft Diameter Set Screw Style Flange Bearing with a 4-hole configuration represents a meticulously engineered solution for providing robust and reliable shaft support in diverse industrial settings. From its driveline-grade carbon steel bearing insert offering superior wear resistance and load capacity, to its heavy-duty cast iron housing providing structural integrity and vibration dampening, every aspect of its design is optimized for longevity and performance. The set screw locking mechanism ensures positive shaft retention, while the self-aligning feature deftly manages minor misalignments, extending the life of both the bearing and the associated shafting. Coupled with the crucial greasable design for simplified maintenance and the industry-standard 4-bolt mounting for versatile installation, this flange bearing is more than just a component; it is a critical investment in the operational efficiency, reliability, and sustained productivity of industrial machinery. Its robust specifications and thoughtful design make it an exemplary choice for engineers seeking a high-performance bearing solution that delivers exceptional value and minimizes total cost of ownership over its extensive service life.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449340088691,"sku":"4F20SCR","price":17.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F24SCR_Bottom_f48c762e-c418-4fa0-ab8a-8c42fc2560fc.jpg?v=1768840378"},{"product_id":"4f24scr-replacement-4-hole-1-1-2-inch-set-screw-locking-flange-bearing","title":"4F24SCR - Replacement 4-Hole 1-1\/2 Inch Set Screw Locking Flange Bearing","description":"\u003cp\u003eBuyers Products 2 Inch Set Screw Locking Flange Bearing (4 Bolt) is built for long life with simple installation and maintenance. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 4 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.937\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.83\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\nThe Replacement 4-Hole 1-1\/2 Inch Set Screw Locking Flange Bearing represents a cornerstone component in a multitude of industrial and mechanical power transmission systems. Engineered for robust performance and extended operational life, this particular bearing unit is meticulously designed to meet the rigorous demands of various applications, from heavy-duty industrial machinery to essential agricultural equipment. Its integrated design, combining a durable housing with a high-performance bearing insert, ensures reliable shaft support and rotational precision under diverse operating conditions. The emphasis on \"long life with simple installation and maintenance\" is not merely a marketing claim but an intrinsic aspect of its design philosophy, aiming to minimize downtime and operational costs for end-users.\n\u003c\/p\u003e\u003cp\u003e\nAt the core of this bearing's structural integrity is its Housing Material, specified as Cast Iron. Cast iron is a widely recognized material in bearing housing manufacturing due to its exceptional properties. Firstly, its inherent rigidity and compressive strength provide a stable platform for the rotating bearing insert, effectively absorbing radial and axial loads. This material also exhibits excellent vibration damping characteristics, which is crucial in applications where machinery generates significant operational vibrations. By attenuating these vibrations, cast iron housings help to protect the internal bearing components from premature wear and reduce operational noise. Furthermore, cast iron offers a high degree of resistance to deformation, ensuring that the bearing's alignment is maintained over its service life, even under static or dynamic stresses. The casting process allows for complex geometries, contributing to the overall strength and efficient load distribution of the flange. The specific dimensions of the housing, including an Overall Height of 5.13 inches, an Overall Width of 5.13 inches, and an Overall Depth of 2.03 inches, signify a compact yet robust form factor, suitable for integration into various equipment designs without requiring excessive space.\n\u003c\/p\u003e\u003cp\u003e\nThe mounting configuration for this flange bearing is a critical design element contributing to its versatility and ease of installation. Featuring a 4 Bolt mounting design with a Square Bolt Pattern, it adheres to widely accepted industrial standards. The Bolt Hole Center to Center dimension of 4.016 inches, coupled with a Bolt Size of 0.500 inches and a Bolt Hole Diameter (S) of 0.625 inches, indicates precise engineering for secure attachment to machine frames or structural components. This standard four-bolt pattern provides balanced load distribution across the mounting surface, preventing localized stress concentrations and ensuring the bearing remains firmly affixed, even during high-speed rotation or impact loads. The precision in these dimensions guarantees interchangeability with existing mounting points, simplifying replacement and upgrade processes. The \"easy installation even in tight places\" attribute is directly supported by this standardized and practical bolt pattern, allowing for efficient mounting in confined mechanical envelopes.\n\u003c\/p\u003e\u003cp\u003e\nContained within this robust cast iron housing is the Bearing Insert, specifically identified by its Material as Carbon Steel and its Type as Self Aligning. Carbon steel is an excellent choice for bearing inserts due to its high hardness, wear resistance, and capacity to handle significant radial and axial loads. The careful heat treatment and metallurgical composition of driveline-grade steel ensure that the races and rolling elements possess the necessary fatigue life and structural integrity to endure continuous operation under demanding conditions. This material selection is paramount for applications subjected to dynamic loading, impact, and abrasive environments, ensuring that the bearing maintains its performance characteristics over an extended period. The \"driveline-grade steel\" designation specifically implies a material quality suitable for transmitting power efficiently and reliably, often found in automotive, agricultural, and industrial drive systems where resilience and durability are non-negotiable.\n\u003c\/p\u003e\u003cp\u003e\nThe \"Self Aligning\" characteristic of the bearing insert is a sophisticated feature that significantly enhances the bearing's operational flexibility and longevity. This design allows the inner ring of the bearing to pivot slightly within the outer ring, compensating for minor misalignments between the shaft and the bearing housing. Such misalignments can arise from manufacturing imperfections, structural deflections under load, or assembly errors. Without a self-aligning capability, these misalignments would induce bending moments and uneven stress distributions within the bearing, leading to premature wear, increased friction, higher operating temperatures, and ultimately, bearing failure. The self-aligning feature mitigates these risks by allowing the bearing to accommodate angular deviations dynamically, thereby reducing internal stresses, lowering friction, and extending the operational life of both the bearing and the connected machinery. This is particularly advantageous in field installations where perfect alignment is challenging to achieve and maintain over time.\n\u003c\/p\u003e\u003cp\u003e\nThe locking mechanism employed is a Set Screw Locking Type, a popular and practical method for securing the bearing insert onto the shaft. The set screw design involves one or more screws threaded into the inner ring of the bearing. These screws are tightened against the shaft, creating a localized high-pressure contact point that generates frictional forces sufficient to prevent relative rotation between the shaft and the inner ring. This method is highly effective in avoiding \"shaft slippage,\" a critical function to ensure that power is transmitted efficiently and consistently. The primary advantages of set screw locking include its simplicity, cost-effectiveness, and ease of installation and removal. It does not require any special shaft preparation beyond ensuring the shaft surface is clean and free of burrs. While generally suited for applications with moderate loads and speeds, proper tightening of the set screws to the manufacturer-recommended torque specifications is crucial for optimal performance and to prevent loosening during operation. The Bore Diameter of 1.500 inches indicates the specific shaft size this bearing is designed to accommodate, ensuring a precise fit for applications requiring this standard shaft dimension.\n\u003c\/p\u003e\u003cp\u003e\nMaintenance and lubrication are vital for any rotating machinery component, and this flange bearing integrates features to simplify this process. The product is \"Greasable (y\/n): Yes,\" prominently featuring an included grease fitting. This grease fitting serves as an access point for the periodic replenishment of lubricant, which is fundamental for maintaining the bearing's optimal performance. Lubrication performs several critical functions: it reduces friction between the rolling elements and raceways, minimizes wear, dissipates heat generated by friction, and protects the internal components from corrosion and contamination. Regular greasing, typically performed with a grease gun, ensures a continuous film of lubricant is present, which is essential for \"continual smooth operation\" and extending the bearing's service life. The type of grease and the frequency of lubrication will depend on the operating conditions (temperature, speed, load, environmental factors) and should align with manufacturer recommendations or industry best practices. Proper lubrication dramatically extends the Mean Time Between Failures (MTBF) of the bearing, contributing to overall system reliability.\n\u003c\/p\u003e\u003cp\u003e\nBeyond the core components, specific diagrammatic dimensions such as Bi (1.937 inches), G (0.63 inches), I (0.83 inches), and L (1.41 inches) provide critical information for engineers and designers integrating this bearing into their systems. These measurements correspond to specific geometric features of the bearing and its housing, often relating to the flange thickness, shoulder dimensions, or clearance requirements. For instance, 'L' often refers to the housing's length or overall dimension along the shaft axis, while 'Bi' and 'I' might denote specific radial or axial offsets. These precise dimensions are indispensable for accurate CAD modeling, interference checking, and ensuring correct fitment within a larger assembly. Understanding these parameters ensures that the bearing not only fits physically but also functions optimally within its designated mechanical environment.\n\u003c\/p\u003e\u003cp\u003e\nThe operational envelope of this 4-hole flange bearing is broad, catering to a diverse range of industrial sectors. In agricultural machinery, it supports shafts in implements like cultivators, harvesters, and sprayers, where dusty, demanding environments and intermittent loading are common. Its rugged cast iron housing and robust carbon steel bearing are well-suited to withstand these challenging conditions. In conveyor systems, these bearings are critical for supporting idler and drive shafts, facilitating the smooth and continuous movement of materials. Their durability and ease of maintenance are highly valued in environments where continuous operation is essential and unscheduled downtime can be costly. Construction equipment, such as concrete mixers, material handlers, and certain types of compactors, also benefits from the reliability of these bearings, providing stable support for rotating components under heavy loads and vibrations. General industrial applications, including various types of processing machinery, pumps, fans, and textile equipment, also extensively utilize such flange bearings for power transmission and motion control. The combination of self-aligning capabilities and effective shaft locking makes it a versatile choice for scenarios where minor shaft imperfections or dynamic operating conditions might otherwise compromise bearing integrity.\n\u003c\/p\u003e\u003cp\u003e\nWhen considering the installation of this Replacement 4-Hole 1-1\/2 Inch Set Screw Locking Flange Bearing, several professional practices are recommended to maximize its lifespan and performance. Prior to mounting, the shaft should be thoroughly cleaned and inspected for burrs, nicks, or other surface irregularities that could interfere with the set screw locking or cause excessive wear. The mounting surface for the flange bearing should also be clean, flat, and structurally sound to ensure proper alignment and support. When securing the housing, bolts should be tightened incrementally and evenly, following a crisscross pattern, to prevent distortion of the housing and ensure uniform pressure distribution. The recommended torque specifications for the mounting bolts should be strictly adhered to. Once the housing is securely mounted, the shaft can be inserted into the bearing bore. The set screws should then be tightened against the shaft. It is often recommended to tighten the first set screw to a specified torque, then the second (if applicable) to the same torque, and then return to the first for a final check, as tightening one screw can sometimes slightly reduce the clamping force of the other. This ensures maximum grip and minimizes the risk of shaft slippage. Post-installation, a preliminary lubrication cycle and a brief test run are advisable to confirm smooth operation and detect any anomalies.\n\u003c\/p\u003e\u003cp\u003e\nIn summary, the Replacement 4-Hole 1-1\/2 Inch Set Screw Locking Flange Bearing is an expertly crafted component designed for reliability, durability, and ease of serviceability in demanding industrial environments. Its specifications—including a robust cast iron housing, a high-performance carbon steel self-aligning bearing insert, a secure set screw locking mechanism, and comprehensive dimensions—all coalesce to provide a superior solution for shaft support and power transmission. The integral greasable feature underscores its commitment to prolonged operational life through effective maintenance. This bearing offers a compelling combination of technical prowess, operational efficiency, and value, making it an indispensable part of countless mechanical systems requiring steadfast rotational support and resistance to challenging operational stressors. For engineers, maintenance personnel, and original equipment manufacturers, selecting this product ensures a dependable, high-quality solution that contributes significantly to the overall reliability and performance of their machinery. Its adherence to industry-standard dimensions and mounting configurations further simplifies integration and replacement, reinforcing its position as a go-to choice for critical applications.\n\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449340154227,"sku":"4F24SCR","price":21.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/4F24SCR_Top_474cfde8-759e-470b-bbb9-d1cd65912d48.jpg?v=1768840380"},{"product_id":"2f12scr-replacement-2-hole-3-4-inch-lower-spinner-shaft-set-screw-locking-flanged-bearing","title":"2F12SCR - Replacement 2-Hole 3\/4 Inch Lower Spinner Shaft Set Screw Locking Flanged Bearing","description":"\u003cp\u003eBuyers Products Set Screw Locking Flange Bearing (2 Bolt) is built for long life with simple installation and maintenance. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 2 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.547\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGrease Fitting Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eK (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eMaximum Temperature\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eMinimum Temperature\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.469\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eZ (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eAdvanced Technical Overview: Replacement 2-Hole 3\/4 Inch Lower Spinner Shaft Set Screw Locking Flanged Bearing\u003c\/h2\u003e\n\nThis technical overview provides an in-depth analysis of the Replacement 2-Hole 3\/4 Inch Lower Spinner Shaft Set Screw Locking Flanged Bearing, designed for robust performance in demanding industrial and commercial applications. Engineered for precise shaft support and reliable rotational movement, this bearing unit integrates critical design features to ensure operational longevity, ease of maintenance, and exceptional resistance to the challenging conditions often encountered by spinner mechanisms.\n\n\u003ch3\u003eComponent Deep Dive: Design and Material Science\u003c\/h3\u003e\n\nThe effectiveness and durability of any bearing assembly are fundamentally rooted in the meticulous selection of materials and precision in its design. This particular flanged bearing unit is a testament to engineering excellence, combining a high-quality bearing insert with a rugged housing and a secure locking mechanism.\n\n\u003ch4\u003eBearing Insert: Core of Rotational Performance\u003c\/h4\u003e\n\nThe heart of this assembly is its bearing insert, fabricated from Carbon Steel. Carbon steel is a strategic choice for bearing applications due to its advantageous mechanical properties. It offers a superior balance of hardness, strength, and wear resistance, which are paramount for components subjected to continuous rotational loads and potential abrasive environments.\n\n*   **Material Properties:** Carbon steel, particularly in grades suitable for bearings, undergoes specific heat treatments to achieve a microstructure that maximizes surface hardness while retaining a tough core. This treatment enhances its resistance to rolling contact fatigue, a common failure mode in bearings. The high carbon content contributes to its ability to be hardened, making the raceway surfaces extremely durable.\n*   **Self-Aligning Capability:** A distinguishing feature of this bearing insert is its \"Self Aligning\" type. This design incorporates a spherical outer race that allows the inner ring and rolling elements (typically balls in this size range, though the specification is general) to pivot within the housing. This inherent flexibility provides a critical advantage: it compensates for minor static or dynamic misalignments between the shaft and the bearing housing. In practical terms, this means that even if the mounting surface is not perfectly planar or if the shaft experiences slight deflection during operation, the bearing can accommodate these deviations without inducing undue stress on the internal components. This mitigates premature wear, reduces friction, and significantly extends the operational lifespan of the bearing, minimizing the risk of edge loading on the rolling elements which can lead to catastrophic failure.\n*   **Driveline-Grade Steel:** The description mentions \"driveline-grade steel bearing.\" This term implies that the steel used for the bearing components meets the rigorous standards required for power transmission systems. Such grades typically exhibit excellent toughness, fatigue strength, and impact resistance, crucial for applications involving intermittent shock loads or high torque transmission. This specification reinforces the bearing's suitability for demanding mechanical systems where reliability is paramount.\n\n\u003ch4\u003eHousing: Structural Integrity and Mounting\u003c\/h4\u003e\n\nThe bearing insert is robustly housed within a Carbon Steel flanged unit. While the initial description noted \"cast iron housing,\" the detailed specifications clarify \"Carbon Steel\" for the housing material. This distinction is significant from an engineering perspective.\n\n*   **Carbon Steel Housing Properties:** Carbon steel for the housing offers superior tensile strength and ductility compared to typical cast iron. This makes the housing more resilient to impact loads and provides enhanced structural integrity, particularly critical for components mounted in dynamic, vibration-prone machinery like spinner shafts. Carbon steel also offers better weldability, which can be an advantage in certain installation or fabrication scenarios, though this bearing is designed for bolt-on application. Its robust nature ensures that the bearing unit can withstand the mechanical stresses transmitted from the operational environment, protecting the precision internal components.\n*   **Flanged Design:** The 2-Hole flanged configuration is a practical and widely adopted mounting solution. Unlike pillow block bearings that mount on a base, flanged bearings are designed for direct attachment to a vertical or angled surface. This design offers several advantages:\n    *   **Space Efficiency:** It provides a more compact profile, crucial in applications where mounting space is restricted, such as within the confined enclosures of spreader mechanisms.\n    *   **Direct Load Transfer:** The flange ensures direct and stable load transfer from the shaft to the mounting structure, distributing stress evenly across the bolt pattern.\n    *   **Ease of Installation:** The \"standard 2 bolt mounting design\" simplifies installation. With a Bolt Hole Center to Center dimension of 3.547 inches and a Bolt Size of 0.375 inches, it allows for quick and secure fastening, even in locations that might be challenging to access. The Overall Height of 2.38 inches, Overall Width of 4.44 inches, and Overall Depth of 1.56 inches further define its compact footprint.\n*   **Ruggedness and Durability:** The combination of a carbon steel housing and a driveline-grade steel bearing insert inherently contributes to the \"rugged and durable\" nature of the product. This selection is optimized for environments where machinery operates under varying conditions, including exposure to elements, abrasive materials, and mechanical stresses.\n\n\u003ch4\u003eLocking Mechanism: Set Screw for Positive Shaft Retention\u003c\/h4\u003e\n\nThe \"Set Screw Locking\" mechanism is central to the bearing's function, ensuring the secure attachment of the bearing insert to the shaft.\n\n*   **Mechanism of Action:** Set screws work by threading into a tapped hole in the inner ring of the bearing and directly contacting the shaft. As the screw is tightened, its tip applies localized pressure to the shaft surface, creating a frictional lock and preventing relative rotation between the shaft and the inner ring. The specifications list a \"Locking Type\" of \"Set Screw,\" confirming this method.\n*   **Advantages:**\n    *   **Simplicity and Cost-Effectiveness:** Set screw locking is a straightforward and economical method to secure a bearing to a shaft.\n    *   **Ease of Installation and Removal:** Installation requires only an Allen wrench or hex key, making it quick and tool-efficient. Removal is equally simple, facilitating maintenance or replacement.\n    *   **Effective for Moderate Loads:** For applications like spinner shafts, which often involve moderate to high radial loads and some axial forces, the set screw design provides sufficient locking force to prevent shaft slippage, particularly when two set screws are positioned 120 degrees apart (a common configuration for enhanced grip, though not specified here, it's a common best practice).\n*   **Considerations:** While effective, proper installation torque is crucial. Over-tightening can deform the shaft or the inner ring, while under-tightening can lead to slippage. Some designs may incorporate a cup point or dog point set screw to bite into the shaft for a more secure grip, which can leave a small indentation on the shaft, a minor consideration for replaceable shafts. The 0.750 inch Bore Diameter indicates precision manufacturing for a snug fit with standard 3\/4 inch shafts, which further aids in preventing slippage when the set screws are engaged.\n\n\u003ch3\u003eOperational Context: Lower Spinner Shaft Applications\u003c\/h3\u003e\n\nThe designation \"Lower Spinner Shaft\" provides vital context for the bearing's intended application. Spinner shafts are integral components in various types of spreading equipment, including:\n\n*   **Agricultural Spreaders:** Used for disseminating fertilizer, seeds, or lime, where consistent and even distribution is critical for crop yield.\n*   **Commercial Salt and Sand Spreaders:** Essential for winter road maintenance, distributing de-icing agents or abrasives onto roads and pathways.\n*   **Industrial Mixers and Conveyors:** In certain industrial processes, similar spinner mechanisms might be used for material distribution or agitation.\n\nIn these applications, the lower spinner shaft typically experiences a combination of radial loads from the weight and centrifugal force of the spreading material, axial loads from potential material resistance, and dynamic loads from vibrations and impacts. The operational environment is often characterized by:\n\n*   **Abrasive Contaminants:** Dust, dirt, sand, salt, and fertilizer particles can ingress into bearings, leading to accelerated wear.\n*   **Moisture and Corrosive Agents:** Exposure to water, snow, ice melt, and corrosive chemicals like salt or fertilizers necessitates robust sealing and material resistance.\n*   **Temperature Extremes:** Equipment may operate in freezing winter conditions or hot summer environments, impacting lubricant performance and material integrity.\n\nThis Replacement 2-Hole 3\/4 Inch Lower Spinner Shaft Set Screw Locking Flanged Bearing is specifically engineered to counteract these challenges, ensuring reliable operation of the spinner mechanism.\n\n\u003ch3\u003eInstallation and Maintenance Protocol\u003c\/h3\u003e\n\nProper installation and diligent maintenance are critical to realizing the full potential lifespan and performance of this bearing unit.\n\n\u003ch4\u003eInstallation Guidelines\u003c\/h4\u003e\n\n1.  **Shaft Preparation:** Ensure the 0.750-inch shaft is clean, free of burrs, rust, or any imperfections that could interfere with the bearing's fit or the set screw's grip. Slight chamfering of the shaft end can facilitate smoother bearing installation.\n2.  **Mounting Surface:** The mounting surface for the 2-hole flange must be flat, clean, and rigid. Any irregularities can induce uneven loading on the housing, leading to premature bearing failure. The Bolt Hole Center to Center dimension of 3.547 inches and a Bolt Size of 0.375 inches provides precise guidance for drilling and alignment.\n3.  **Bolt Tightening:** Secure the flanged housing to the mounting structure using appropriate hardware (0.375 inch bolts) and torque specifications. It is crucial to tighten mounting bolts evenly and progressively to prevent distortion of the housing.\n4.  **Shaft Insertion and Set Screw Engagement:** Slide the bearing onto the 3\/4 inch shaft. Once positioned correctly, tighten the set screws. If two set screws are present (common for enhanced locking), tighten them alternately and progressively to recommended torque values. This distributes the clamping force more evenly. Ensure the set screws are fully engaged without excessive force that could damage the shaft or the screw head. The set screw locking mechanism is designed to prevent \"shaft slippage,\" maintaining the critical rotational alignment of the spinner.\n\n\u003ch4\u003eMaintenance Best Practices: Lubrication and Inspection\u003c\/h4\u003e\n\nThe inclusion of a \"grease fitting\" and the \"Greasable (y\/n): Yes\" specification are pivotal for extending the bearing's operational life through proper lubrication.\n\n1.  **Lubrication:**\n    *   **Importance:** Grease serves multiple vital functions: reducing friction between rolling elements and raceways, dissipating heat, and providing a barrier against contaminants. Without adequate lubrication, bearings will quickly overheat and fail due to metal-to-metal contact.\n    *   **Grease Type:** For spinner shaft applications, a high-quality, general-purpose lithium complex grease with EP (Extreme Pressure) additives is often recommended. If operating in extreme temperatures or wet conditions, a grease specifically formulated for those environments (e.g., water-resistant or synthetic greases) should be considered.\n    *   **Regreasing Schedule:** The frequency of regreasing depends on factors like operating speed, load, temperature, and environmental contamination. For harsh environments like those of spinner shafts, more frequent lubrication might be necessary. Over-greasing should be avoided as it can lead to excessive heat generation and seal damage, while under-greasing leads to premature wear. The grease fitting facilitates easy injection of fresh lubricant, purging old, contaminated grease.\n2.  **Routine Inspection:** Regular visual and auditory inspections can preempt major failures.\n    *   **Visual Checks:** Look for signs of grease leakage, cracked or damaged housing, loose mounting bolts, excessive rust, or shaft scoring near the set screw.\n    *   **Auditory Checks:** Listen for unusual noises such as grinding, squealing, or rumbling, which often indicate internal bearing damage, lack of lubrication, or contamination.\n    *   **Temperature Monitoring:** Excessive heat emanating from the bearing could signal lubrication issues or internal damage.\n\n\u003ch3\u003ePerformance Characteristics and Engineering Advantages\u003c\/h3\u003e\n\nThe combination of design features contributes to a robust set of performance characteristics essential for demanding applications.\n\n*   **Load Capacity:** The driveline-grade carbon steel bearing insert and robust carbon steel housing enable the unit to withstand significant radial and axial loads inherent in spinner shaft operations. The precision of the 0.750 inch bore ensures optimal load distribution across the rolling elements.\n*   **Vibration and Shock Resistance:** The robust housing material and the self-aligning capability work in concert to absorb and mitigate vibrations and shock loads that are common in machinery handling bulk materials. The self-alignment prevents undue stress concentrations that could lead to fatigue failure.\n*   **Contaminant Exclusion:** While not explicitly detailed in the specifications, flanged bearing units typically incorporate seals (e.g., labyrinth seals, lip seals) to protect the internal components from dust, moisture, and other environmental aggressors. Effective sealing is paramount for maintaining lubricant integrity and preventing abrasive wear in applications like agricultural or salt spreading. The regular greasing procedure also helps to flush out minor contaminants that might bypass the seals.\n*   **Thermal Stability:** Although specific maximum and minimum temperatures are not provided in the specifications, the choice of carbon steel for both insert and housing, combined with appropriate lubrication, suggests a design capable of operating reliably across a typical industrial temperature range. For extreme temperature variations, specialized greases would be recommended.\n*   **Reduced Downtime:** The \"simple installation and maintenance\" features, including the 2-bolt design and grease fitting, significantly reduce the time and effort required for setup and routine servicing. This translates directly into minimized downtime for critical equipment, enhancing productivity and operational efficiency. The nature of a \"replacement\" part also implies direct compatibility, ensuring quick swap-outs.\n\n\u003ch3\u003eConclusion: A Reliable Solution for Demanding Environments\u003c\/h3\u003e\n\nThe Replacement 2-Hole 3\/4 Inch Lower Spinner Shaft Set Screw Locking Flanged Bearing represents a meticulously engineered solution for the reliable support of critical rotating shafts, particularly those in lower spinner mechanisms. Its foundation in high-grade carbon steel for both the bearing insert and the housing, coupled with a self-aligning design and secure set screw locking, provides an outstanding blend of strength, durability, and operational flexibility.\n\nDesigned to address the rigorous demands of environments laden with abrasive materials, moisture, and dynamic loads, this bearing unit ensures sustained performance. The ease of its 2-bolt installation and the integral grease fitting streamline both initial deployment and ongoing maintenance, contributing to extended service intervals and reduced operational costs. For applications requiring a dependable, robust, and easily maintainable bearing solution to support 3\/4 inch lower spinner shafts, this unit stands as a professional-grade component, engineered for longevity and optimal mechanical efficiency. It is a critical investment in the reliability and sustained productivity of heavy-duty equipment.","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449340285299,"sku":"2F12SCR","price":10.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2F12SCR_45_fc5b3f6a-dfda-40df-9f34-b57e25ec533d.jpg?v=1768840226"},{"product_id":"2f16scr-1-inch-shaft-diameter-set-screw-style-flange-bearing-2-hole","title":"2F16SCR - 1 Inch Shaft Diameter Set Screw Style Flange Bearing - 2 Hole","description":"\u003cp\u003eBuyers Products Set Screw Locking Flange Bearing (2 Bolt) is built for long life with simple installation and maintenance.   The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 2 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.339\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.891\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe 1 Inch Shaft Diameter Set Screw Style Flange Bearing with a 2-Hole mounting configuration represents a critical component in a multitude of industrial and mechanical power transmission systems. Engineered for precision, durability, and ease of integration, this bearing is specifically designed to support rotational shafts, providing reliable performance in demanding applications. Its robust construction, featuring a carbon steel insert within a cast iron housing and a secure set screw locking mechanism, ensures operational stability and extended service life. This detailed technical description aims to elucidate the intricate design, material science, functional advantages, and optimal application scenarios for this essential mechanical element.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Engineering: The 1-Inch Bore Diameter\u003c\/h3\u003e\n\u003cp\u003eCentral to the functionality of this flange bearing is its precisely machined 1.000-inch (25.4mm) bore diameter. This dimension is paramount for ensuring seamless compatibility and a snug fit with standard 1-inch diameter shafts, which are prevalent across numerous industrial applications. The accuracy of the bore is critical for minimizing radial play, reducing vibration, and optimizing power transmission efficiency. A precisely matched bore diameter prevents premature wear on both the shaft and the bearing, thereby extending the operational lifespan of the entire assembly. Furthermore, the selection of a common shaft diameter simplifies design processes for engineers and streamlines inventory management for maintenance professionals, ensuring readily available replacements and interchangeability within existing systems.\u003c\/p\u003e\n\n\u003ch3\u003eShaft Retention: The Set Screw Locking Mechanism\u003c\/h3\u003e\n\u003cp\u003eThe set screw locking style employed in this flange bearing offers a reliable and straightforward method for securing the bearing insert to the shaft, effectively preventing axial and rotational slippage. This mechanism utilizes one or more set screws, typically positioned at a 90 or 120-degree angle to each other, which are tightened directly onto the shaft. The conical or dog point of the set screw creates a localized indentation on the shaft surface, generating a high frictional force that resists relative movement. This method is particularly advantageous due to its simplicity, cost-effectiveness, and ease of installation and removal. It is well-suited for applications involving moderate loads, bi-directional rotation, and where occasional adjustments or replacements may be required. While offering substantial holding power, proper installation, including adherence to recommended torque specifications, is crucial to maximize effectiveness and minimize the potential for shaft marring. This locking type represents a balanced approach between robust shaft retention and maintenance accessibility, making it a preferred choice in numerous light to medium-duty industrial contexts.\u003c\/p\u003e\n\n\u003ch3\u003eRobust Mounting: The 2-Hole Flange Housing\u003c\/h3\u003e\n\u003cp\u003eThe flange bearing configuration, characterized by a mounting surface that is parallel to the shaft axis, provides a stable and secure method for shaft support. This particular unit features a 2-hole bolt pattern, which offers distinct advantages in specific application environments. The 2-hole design provides a compact footprint, making it ideal for machinery where space is at a premium. The bolt holes are precisely spaced at a center-to-center distance of 3.891 inches, designed to accommodate 0.500-inch bolts with a nominal bolt hole diameter of 0.625 inches (S diagram). This standardized bolt pattern simplifies installation and ensures mechanical interchangeability. The structural integrity of the mounting is further enhanced by the use of high-quality fasteners, ensuring that the bearing remains rigidly anchored to the equipment frame, even under dynamic loading conditions. The strategic placement of these mounting points distributes the load effectively across the housing, contributing to the overall stability and longevity of the bearing assembly.\u003c\/p\u003e\n\n\u003ch3\u003eStructural Integrity: The Cast Iron Housing Material\u003c\/h3\u003e\n\u003cp\u003eThe housing of this flange bearing is constructed from robust cast iron, a material renowned for its exceptional mechanical properties and suitability for bearing applications. Cast iron offers a superior combination of high compressive strength, excellent rigidity, and inherent vibration damping capabilities. These characteristics are critical for absorbing shock loads and minimizing operational noise and resonance, thereby protecting both the bearing insert and the surrounding machinery from undue stress. The material's good wear resistance and ability to withstand significant static and dynamic loads contribute directly to the bearing's advertised long life and ruggedness. Furthermore, cast iron provides a stable platform for the bearing insert, maintaining precise alignment and contributing to the overall operational smoothness. The density and mass of cast iron also contribute to its stability, reducing deflection under load and ensuring consistent performance over extended periods. This choice of housing material underscores a commitment to delivering a product capable of withstanding harsh industrial environments and demanding operational cycles.\u003c\/p\u003e\n\n\u003ch3\u003eCore Functionality: Carbon Steel, Self-Aligning Bearing Insert\u003c\/h3\u003e\n\u003cp\u003eAt the heart of this flange bearing lies a high-performance bearing insert crafted from carbon steel, specified as \"driveline-grade\" for its superior mechanical properties essential in power transmission applications. Carbon steel is selected for its excellent balance of hardness, wear resistance, and load-carrying capacity, crucial attributes for resisting the constant friction and forces experienced during rotation. The material undergoes precise manufacturing processes, potentially including heat treatment, to optimize its metallurgical structure for durability and fatigue resistance. This ensures the bearing maintains its integrity and performance characteristics even under prolonged operation and varying load conditions.\n\u003c\/p\u003e\n\u003cp\u003eComplementing the robust material selection is the self-aligning design of the bearing insert. This critical feature allows the inner ring and rolling elements to pivot within the outer ring, compensating for initial shaft misalignment, shaft deflection under load, and minor inaccuracies in machine frame construction. The ability to self-align significantly reduces edge loading on the rolling elements and minimizes concentrated stresses on the shaft, which are common causes of premature bearing failure in fixed bearing designs. By allowing the bearing to accommodate these misalignments dynamically, the self-aligning feature ensures a more uniform distribution of loads across the bearing surfaces, thereby extending its operational life, enhancing rotational smoothness, and reducing vibrational noise. This design innovation greatly simplifies installation by allowing for a degree of error in alignment, while simultaneously bolstering the bearing's reliability and resilience in dynamic industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eOptimized Performance: Lubrication and Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe provision of a grease fitting, confirming its \"Greasable (y\/n): Yes\" status, is a testament to the design's emphasis on long-term operational efficiency and simplified maintenance. Lubrication is a fundamental aspect of bearing performance, serving multiple critical functions: it reduces friction between moving parts, dissipates heat generated during operation, protects against corrosion and ingress of contaminants, and extends the bearing's service life. The readily accessible grease fitting allows for straightforward re-lubrication, ensuring that the bearing's internal components remain adequately coated with a fresh supply of lubricant. Regular re-lubrication, guided by application-specific maintenance schedules, is vital for flushing out old, contaminated grease and replenishing the lubricating film. This proactive maintenance practice significantly contributes to the continual smooth operation of the bearing, preventing premature wear, minimizing power loss due to excessive friction, and mitigating the risk of catastrophic failure. The ease of maintenance facilitated by the grease fitting translates directly into reduced downtime and lower overall operational costs for industrial users.\u003c\/p\u003e\n\n\u003ch3\u003eDimensional Integrity and Application Fitment\u003c\/h3\u003e\n\u003cp\u003eThe comprehensive set of dimensional specifications provided for this 1-inch set screw style flange bearing is indispensable for engineers and designers involved in machinery development and maintenance. Key dimensions such as Overall Depth (1.41 inches), Overall Height (2.69 inches), and Overall Width (5.13 inches) are crucial for precisely integrating the bearing into a specific machine envelope, ensuring adequate clearance, and preventing interference with other components. Furthermore, detailed diagrammatic dimensions like Bi (1.339 inches), G (0.50 inches), I (0.63 inches), and L (1.06 inches) offer granular insight into the bearing's physical profile. These measurements enable accurate CAD modeling and design verification, ensuring that the bearing fits perfectly within its intended mounting space and aligns correctly with the shaft. The precision in these dimensions reflects a high standard of manufacturing control, which is vital for achieving optimal performance, consistent operational reliability, and ease of interchangeability for replacement parts. Engineers rely on these specifications to select bearings that not only meet functional requirements but also adhere to strict spatial and structural constraints within complex mechanical systems.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications and Performance Attributes\u003c\/h3\u003e\n\u003cp\u003eThe 1 Inch Shaft Diameter Set Screw Style Flange Bearing is engineered for versatility, making it an indispensable component across a broad spectrum of industrial and commercial applications. Its robust design and reliable performance characteristics position it as an ideal choice for machinery operating under moderate loads and requiring dependable shaft support. Common application areas include, but are not limited to, material handling systems such as conveyors, belt drives, and roller systems; agricultural machinery like planters, harvesters, and irrigation equipment; various forms of industrial processing machinery, including textile machines, packaging equipment, and food processing lines; and HVAC systems where fan shafts require secure and smooth rotation.\n\u003c\/p\u003e\n\u003cp\u003eThe operational benefits of this bearing are manifold. Its driveline-grade carbon steel insert ensures consistent, low-friction rotation, while the cast iron housing provides the necessary rigidity and protection against external forces. The self-aligning feature is particularly advantageous in dynamic systems where minor shaft deflections or structural shifts can occur, ensuring prolonged bearing life by mitigating misalignment stresses. The set screw locking mechanism offers secure shaft retention, preventing costly downtime due to shaft slippage. Collectively, these attributes contribute to reduced vibration, quieter operation, and enhanced energy efficiency within the machinery. This bearing’s rugged and durable construction ensures it can withstand challenging operating conditions, including exposure to dust, moisture, and varying temperatures, thereby guaranteeing reliable performance and contributing significantly to the overall productivity and longevity of the equipment it serves.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Best Practices and Longevity\u003c\/h3\u003e\n\u003cp\u003eMaximizing the service life and performance of the 1 Inch Set Screw Style Flange Bearing hinges significantly on adherence to proper installation and maintenance procedures. Prior to mounting, the shaft should be thoroughly cleaned and free of burrs or deformities to ensure optimal engagement with the bearing's bore and set screws. When securing the set screws, it is imperative to apply appropriate torque specifications to achieve adequate gripping force without over-tightening, which could deform the bearing insert or mar the shaft excessively. Similarly, the mounting bolts for the 2-hole flange should be tightened to the manufacturer's recommended torque values, ensuring the housing is securely fastened to the machine frame without inducing unnecessary stress or misalignment. Regular inspection for signs of wear, unusual noise, or excessive vibration, coupled with adherence to the prescribed re-lubrication schedule via the integrated grease fitting, will ensure the bearing operates within its optimal parameters, thereby extending its functional lifespan and contributing to the overall reliability of the mechanical system.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion: Unrivaled Reliability and Efficiency\u003c\/h3\u003e\n\u003cp\u003eIn summary, the 1 Inch Shaft Diameter Set Screw Style Flange Bearing with a 2-Hole mount is a meticulously engineered component designed to deliver unparalleled reliability and efficiency in diverse industrial applications. Its combination of a durable carbon steel, self-aligning insert, a robust cast iron housing, and a secure set screw locking mechanism ensures consistent, smooth operation and exceptional longevity. Optimized for ease of installation and maintenance, this bearing represents a strategic investment in the sustained performance and reduced operational costs of any mechanical system requiring dependable shaft support.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449340350835,"sku":"2F16SCR","price":10.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2F12SCR_front_b2c8c3fb-0da3-4bc3-9850-43f65af77adb.jpg?v=1768840229"},{"product_id":"2f18scr-1-1-8-inch-shaft-diameter-set-screw-style-flange-bearing-2-hole","title":"2F18SCR - 1-1\/8 Inch Shaft Diameter Set Screw Style Flange Bearing - 2 Hole","description":"\u003cp\u003eBuyers Products Set Screw Locking Flange Bearing (2 Bolt) is built for long life with simple installation and maintenance. The driveline-grade steel bearing is mounted in a cast iron housing, which helps make the flanges rugged and durable. The included grease fitting ensures ease of maintenance for continual smooth operation. The standard 2 bolt mounting design makes installation easy even in tight places. Its set screw design helps avoid shaft slippage.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBearing Insert Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSelf Aligning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBi (Diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Hole Center to Center\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4.609\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Pattern\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2 Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eBore Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eG (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eGreasable (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eHousing Material\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eI (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eL (diagram)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eLocking Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSet Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Depth\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Height\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Width\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eS (diagram\/Bolt Hole Diameter)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eAdvanced Technical Overview: 1-1\/8 Inch Shaft Diameter Set Screw Style Flange Bearing - 2 Hole\u003c\/h2\u003e\n\u003cp\u003eThe 1-1\/8 Inch Shaft Diameter Set Screw Style Flange Bearing with a 2-hole configuration represents a meticulously engineered solution designed for the demanding requirements of industrial power transmission and rotational support systems. This component, distinguished by its robust construction, precise shaft locking mechanism, and inherent self-aligning capabilities, is optimized for applications requiring reliable performance, extended service life, and simplified maintenance protocols. Fabricated by Buyers Products, this bearing unit integrates a high-quality carbon steel insert within a durable cast iron housing, offering a synergy of material science and mechanical design to withstand significant operational stresses and environmental challenges.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Engineering and Material Selection\u003c\/h3\u003e\n\u003ch4\u003eBearing Insert: High-Performance Carbon Steel with Self-Aligning Capability\u003c\/h4\u003e\n\u003cp\u003eAt the core of this flange bearing unit is a bearing insert crafted from driveline-grade carbon steel. Carbon steel is selected for its excellent balance of hardness, tensile strength, and wear resistance, properties crucial for sustaining continuous rotational motion under various load conditions. The specific metallurgical composition ensures that the bearing raceways can endure the high contact stresses generated between the rolling elements and the inner\/outer rings, thereby minimizing friction and extending operational lifespan. The use of carbon steel in the bearing insert directly contributes to its capacity for heavy-duty applications, ensuring that it can competently manage both radial and moderate axial loads inherent in driveline and conveyor systems.\u003c\/p\u003e\n\u003cp\u003eA critical engineering feature of this bearing insert is its self-aligning capability. This design attribute is paramount in applications where perfect shaft alignment cannot always be guaranteed due to manufacturing tolerances, structural deflection, or thermal expansion. The self-aligning mechanism allows the bearing insert to pivot slightly within the housing, compensating for initial static or dynamic shaft misalignment. This intrinsic flexibility mitigates edge loading on the rolling elements, reduces localized stress concentrations, and prevents premature bearing failure caused by excessive bending moments on the shaft. By accommodating up to several degrees of angular misalignment, the self-aligning characteristic significantly enhances the bearing's reliability and contributes to smoother, quieter operation by ensuring optimal load distribution across the bearing's internal geometry.\u003c\/p\u003e\n\n\u003ch4\u003eHousing Construction: Robust Cast Iron for Structural Integrity\u003c\/h4\u003e\n\u003cp\u003eThe external housing of this flange bearing is precision-cast from high-grade iron. Cast iron is an ideal material choice for bearing housings due to its exceptional compressive strength, excellent vibration damping characteristics, and inherent rigidity. These properties are vital for maintaining the structural integrity of the bearing assembly and ensuring stable operation even under dynamic loads and shock conditions. The substantial mass and metallurgical structure of cast iron effectively absorb and dissipate operational vibrations and noise, leading to a quieter working environment and reducing fatigue on adjacent machinery components. Furthermore, cast iron provides superior resistance to deformation, ensuring that the critical internal clearances of the bearing are maintained over its operational life, which is essential for consistent performance.\u003c\/p\u003e\n\u003cp\u003eThe design of the cast iron housing incorporates a robust flange configuration with a standard 2-hole bolt pattern. This design facilitates straightforward and secure mounting to a variety of structural surfaces, frames, or bulkheads. The precision-machined bolt holes, with a bolt hole diameter of 0.625 inches and a center-to-center spacing of 4.609 inches, ensure compatibility with standard fasteners (0.500-inch bolt size) and simplify installation. The flange's inherent rigidity, coupled with the sturdy cast iron construction, ensures that the bearing is securely anchored, providing unwavering support for the rotating shaft and effectively transmitting operational forces to the mounting structure.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Locking Mechanism: The Set Screw System\u003c\/h3\u003e\n\u003cp\u003eThe integral set screw locking mechanism is a cornerstone feature of this flange bearing, specifically engineered to provide a positive and secure attachment between the bearing's inner ring and the 1-1\/8 inch diameter shaft. This mechanism employs one or more set screws strategically positioned on the bearing's inner ring, which, when tightened, exert radial force onto the shaft. This creates an interference fit, relying on frictional forces to prevent axial and circumferential movement between the shaft and the inner ring. The efficacy of the set screw design lies in its simplicity, adjustability, and reliable anti-slippage performance.\u003c\/p\u003e\n\u003cp\u003eProper application of the set screws is crucial for optimal performance. The screws should be tightened evenly and progressively to the manufacturer's specified torque values. This ensures a concentric grip on the shaft, minimizing runout and preventing vibrational loosening. The direct contact and clamping action of the set screws provide a robust resistance to torque transmission and axial thrust, making this locking type highly effective in applications where continuous rotational motion and fluctuating loads are common. Furthermore, the set screw design allows for relatively easy installation and removal, facilitating maintenance, replacement, or repositioning of the bearing without requiring specialized tools or complex procedures, thus reducing downtime and labor costs.\u003c\/p\u003e\n\n\u003ch3\u003eOperational Dynamics and Performance Benefits\u003c\/h3\u003e\n\u003ch4\u003eLoad Management and Durability\u003c\/h4\u003e\n\u003cp\u003eThis flange bearing is engineered to effectively manage a combination of radial and axial loads. The carbon steel bearing insert, with its optimized internal geometry and rolling elements, is designed to distribute loads evenly across the raceways, minimizing localized stress points. The robust cast iron housing acts as a strong foundational support, absorbing and distributing the forces exerted on the bearing assembly to the mounting structure, thereby preventing premature failure of both the bearing and the associated equipment. The combined strength of the bearing insert and housing ensures superior resistance to fatigue and shock loading, contributing significantly to the bearing's long service life and overall system reliability.\u003c\/p\u003e\n\n\u003ch4\u003eVibration Control and Noise Reduction\u003c\/h4\u003e\n\u003cp\u003eThe inherent material properties of cast iron play a pivotal role in the operational performance of this bearing unit, particularly concerning vibration and noise. Cast iron exhibits excellent damping characteristics due to its microstructure, which effectively dissipates vibrational energy. This damping capability reduces the transmission of operational vibrations from the rotating shaft through the bearing and into the machine structure. The result is a substantial reduction in both audible noise and mechanical stresses on adjacent components, leading to a smoother running system, improved operator comfort, and extended life for other machinery elements.\u003c\/p\u003e\n\n\u003ch4\u003ePrecision Bore Diameter and Dimensional Accuracy\u003c\/h4\u003e\n\u003cp\u003eThe precisely engineered 1.125-inch bore diameter of this flange bearing is critical for ensuring proper fit and function with compatible shafts. Maintaining tight manufacturing tolerances for the bore diameter guarantees that the shaft can be accurately inserted and securely locked, minimizing eccentricity and promoting balanced rotation. The dimensional accuracy across all components, from the bore to the overall height (3.16 inches), width (5.41 inches), and depth (1.59 inches), ensures interchangeability and facilitates seamless integration into existing and new machine designs. Specific diagrammatic dimensions such as Bi (1.500), G (0.50), I (0.70), and L (1.22) provide critical engineering data for designers to ensure precise spatial planning and interference-free operation.\u003c\/p\u003e\n\n\u003ch3\u003eMaintenance and Longevity\u003c\/h3\u003e\n\u003ch4\u003eIntegrated Lubrication System: Grease Fitting for Optimal Performance\u003c\/h4\u003e\n\u003cp\u003eA key feature contributing to the extended operational life and consistent performance of this flange bearing is the inclusion of a grease fitting, confirming its \"Greasable (y\/n): Yes\" specification. This fitting allows for the direct injection of lubricant into the bearing, ensuring that the rolling elements and raceways are continuously bathed in a protective film. Proper lubrication is paramount for minimizing friction, dissipating heat, and preventing wear and corrosion within the bearing. Regular lubrication, according to recommended schedules, flushes out contaminants, replenishes the grease film, and significantly prolongs the bearing's service life, reducing the need for premature replacement.\u003c\/p\u003e\n\u003cp\u003eThe maintenance protocol should specify the type of lubricant (e.g., lithium-complex grease for high temperatures and loads) and the frequency of lubrication, which will vary based on application severity, operating speed, and environmental conditions. Adhering to these guidelines ensures optimal performance and prevents common failure modes associated with inadequate lubrication, such as pitting, spalling, and overheating.\u003c\/p\u003e\n\n\u003ch4\u003eSimplified Installation and Replacement Procedures\u003c\/h4\u003e\n\u003cp\u003eThe design philosophy behind this flange bearing emphasizes ease of installation and maintenance. The standard 2-hole bolt pattern simplifies mounting onto flat surfaces, requiring only basic tools for secure attachment. The set screw locking mechanism allows for direct shaft insertion and securement without complex adapter sleeves or hydraulic tools, making field installation and replacements straightforward. This \"simple installation and maintenance\" aspect significantly reduces labor time and technical complexity, translating into lower operational costs and increased uptime for machinery. The precise bolt hole center-to-center dimension of 4.609 inches ensures compatibility with a broad range of industrial mounting plates and existing equipment.\u003c\/p\u003e\n\n\u003ch3\u003eApplications and Versatility\u003c\/h3\u003e\n\u003cp\u003eThe 1-1\/8 Inch Shaft Diameter Set Screw Style Flange Bearing is engineered for a diverse array of industrial and commercial applications where reliable rotational support is essential. Its robust construction and performance characteristics make it particularly well-suited for:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eAgricultural Machinery:\u003c\/b\u003e Providing support for shafts in conveyors, balers, harvesters, and other farm equipment exposed to harsh environments and intermittent shock loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eMaterial Handling Systems:\u003c\/b\u003e Integral to conveyor belts, rollers, and processing equipment in manufacturing plants, warehouses, and distribution centers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eConstruction Equipment:\u003c\/b\u003e Supporting rotational components in mixers, compactors, and auxiliary equipment where durability and resistance to challenging conditions are critical.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePumps and Fans:\u003c\/b\u003e Offering stable shaft support in industrial pumps, ventilation systems, and blowers where smooth, continuous operation is required.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFood Processing Equipment:\u003c\/b\u003e In certain configurations, these bearings can be found in equipment requiring robust support, provided environmental sealing and lubrication methods are appropriate for sanitary conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eGeneral Industrial Machinery:\u003c\/b\u003e Widely used in various forms of processing machinery, packaging lines, and textile equipment where shafts require fixed-point support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe combination of a carbon steel bearing insert, cast iron housing, self-aligning capability, and set screw locking mechanism makes this flange bearing a versatile and dependable choice for engineers and maintenance professionals seeking a high-performance, long-lasting solution for their power transmission requirements.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications in Context\u003c\/h3\u003e\n\u003cp\u003eThe provided specifications are not merely numerical values; they are critical design parameters that inform selection, integration, and performance prediction:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eBore Diameter (1.125 inches):\u003c\/b\u003e Defines the exact shaft size the bearing is designed to accommodate, ensuring a snug fit necessary for the set screw to achieve optimal grip.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBolt Hole Center to Center (4.609 inches) and Bolt Size (0.500 inches), Bolt Hole Diameter (S = 0.625 inches):\u003c\/b\u003e These dimensions are fundamental for mechanical integration, ensuring the bearing can be properly mounted and aligned with corresponding holes on a machine frame or bracket.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eOverall Dimensions (Depth 1.59 inches, Height 3.16 inches, Width 5.41 inches):\u003c\/b\u003e These metrics are crucial for spatial planning, ensuring the bearing unit fits within the allocated design envelope of the machinery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBi (1.500), G (0.50), I (0.70), L (1.22):\u003c\/b\u003e These diagrammatic dimensions provide additional geometric data essential for detailed engineering drawings, assembly planning, and confirming component compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnderstanding these specifications allows for precise engineering calculations regarding stress distribution, vibrational analysis, and overall system stability, reinforcing the professional application of this component.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe 1-1\/8 Inch Shaft Diameter Set Screw Style Flange Bearing with a 2-Hole configuration stands as a testament to robust engineering and materials science. Its construction, featuring a driveline-grade carbon steel, self-aligning bearing insert encased within a high-strength cast iron housing, guarantees exceptional durability and performance under challenging operational conditions. The precision set screw locking mechanism ensures a positive, anti-slippage grip on the shaft, while the integrated grease fitting facilitates a comprehensive maintenance regimen, thereby extending the bearing's service life and minimizing total cost of ownership.\u003c\/p\u003e\n\u003cp\u003eDesigned for reliability and ease of installation, this flange bearing is an indispensable component in a wide spectrum of industrial and commercial applications. Its ability to accommodate slight misalignments, dampen vibrations, and withstand significant loads positions it as a preferred solution for engineers and operators prioritizing continuous, efficient, and low-maintenance rotational support. Buyers Products delivers a component that not only meets but often exceeds the rigorous demands of modern machinery, ensuring long-term operational excellence and contributing significantly to the overall productivity and safety of industrial systems.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449340416371,"sku":"2F18SCR","price":15.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/2F12SCR_front_cedf8e44-6839-4561-9f4e-23c84d70a596.jpg?v=1768840230"}],"url":"https:\/\/titustrucksaccessories.com\/collections\/flange-bearing-units.oembed","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}