Product Overview: The 51218 Thrust Ball Bearing
The 51218 Thrust Ball Bearing is a high-performance component engineered to manage purely axial (thrust) loads in a single direction. With precise dimensions of 90mm bore diameter, 125mm outer diameter, and 28mm thickness, this bearing is an integral part of our 51200 Series within the broader Thrust Ball Bearings collection. Its design consists of three separable parts: a shaft washer, a housing washer, and a ball and cage assembly. This separability simplifies mounting and maintenance, making it a practical choice for various industrial applications where precise axial shaft location is critical.
As a trusted supplier of industrial components, we ensure our 51218 bearings meet stringent quality standards. They are designed to provide low-friction, reliable performance under high axial stress, ensuring the longevity and efficiency of the machinery they are part of. These bearings are not suitable for radial loads; a separate radial bearing must be used if both load types are present.
Key Features of the 51218 Bearing
- Axial Load Management: Specifically designed to handle high thrust loads in a single direction.
- Separable Components: Consists of a shaft washer, housing washer, and ball cage assembly, allowing for easy installation, inspection, and maintenance.
- High Precision: Manufactured to tight tolerances to ensure smooth, low-friction operation and accurate shaft positioning.
- Durable Construction: Made from high-quality, through-hardened bearing steel for excellent durability and wear resistance.
- Optimized Ball and Cage Assembly: The cage is designed to retain the balls securely while minimizing friction and heat generation.
- Interchangeable Parts: The separable components are interchangeable, offering flexibility during assembly.
Common Applications of 51218 Bearings
- Machine Tool Spindles: Provides precise axial location for spindles in lathes, milling machines, and grinders.
- Industrial Gearboxes: Used to support helical gears and manage the resulting axial forces.
- Vertical Shafts: Ideal for supporting the weight and operational thrust of vertical pumps and motors.
- Automotive Applications: Commonly found in clutch release mechanisms and steering pivots.
- Lifting Equipment: Essential in crane hooks, screw jacks, and other heavy lifting devices.
- Rotating Tables: Ensures smooth rotation and supports heavy axial loads in indexing and positioning tables.
- Extrusion Machinery: Used in the thrust block of plastic and metal extruders to counter high axial pressures.
Benefits of Using the 51218 Bearing
- High Axial Load Capacity: Reliably supports significant thrust forces, enhancing machine capability and safety.
- Simplified Mounting: The separable design makes installation straightforward, reducing assembly time and potential for errors.
- Enhanced Rotational Accuracy: Minimizes axial play, leading to more precise and stable machine operation.
- Improved Equipment Lifespan: Effectively manages thrust loads, reducing stress on other components and extending the service life of the entire assembly.
- Cost-Effective Solution: Offers an economical and efficient way to handle axial loads compared to more complex bearing arrangements.
- Low Maintenance Requirements: Its robust design and high-quality materials ensure long-term performance with minimal upkeep.
