{"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","url":"https:\/\/titustrucksaccessories.com\/products\/2f20-1-1-4-inch-shaft-diameter-eccentric-locking-collar-style-flange-bearing-2-hole","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}