{"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","url":"https:\/\/titustrucksaccessories.com\/products\/4f12scr-3-4-inch-shaft-diameter-set-screw-style-flange-bearing-4-hole","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}