Buyers 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.
Specifications
| Bearing Insert Material | Carbon Steel |
|---|---|
| Bearing Insert Type | Self Aligning |
| Bi (Diagram) | 1.339 |
| Bolt Hole Center to Center | 3.891 |
| Bolt Pattern | 2 Hole |
| Bolt Size | 0.500 |
| Bore Diameter | 1.000 |
| G (diagram) | 0.50 |
| Greasable (y/n) | Yes |
| Housing Material | Cast Iron |
| I (diagram) | 0.63 |
| L (diagram) | 1.06 |
| Locking Type | Set Screw |
| Overall Depth | 1.41 |
| Overall Height | 2.69 |
| Overall Width | 5.13 |
| S (diagram/Bolt Hole Diameter) | 0.625 |
The 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.
Precision Engineering: The 1-Inch Bore Diameter
Central 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.
Shaft Retention: The Set Screw Locking Mechanism
The 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.
Robust Mounting: The 2-Hole Flange Housing
The 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.
Structural Integrity: The Cast Iron Housing Material
The 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.
Core Functionality: Carbon Steel, Self-Aligning Bearing Insert
At 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.
Complementing 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.
Optimized Performance: Lubrication and Maintenance
The 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.
Dimensional Integrity and Application Fitment
The 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.
Versatile Applications and Performance Attributes
The 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.
The 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.
Installation Best Practices and Longevity
Maximizing 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.
Conclusion: Unrivaled Reliability and Efficiency
In 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.
