Introduction
The L44643L bearing is a high-performance, double-row angular contact ball bearing specifically designed for demanding applications that require precise rotation, heavy loads, and extended service life. Its robust construction, exceptional precision, and versatility make it an ideal choice for a wide range of industries, including aerospace, automotive, medical, and industrial manufacturing.
Construction and Design
The L44643L bearing consists of an inner ring, an outer ring, two rows of precision-ground balls, and a separator. The inner and outer rings are made from high-quality bearing steel, providing excellent strength and durability. The balls are made from hardened steel, ensuring low friction and long service life. The separator, typically made from brass or polymer, prevents contact between adjacent balls, reducing wear and vibration.
Benefits and Advantages
The L44643L bearing offers a host of benefits that make it an excellent choice for demanding applications:
Applications
Due to its exceptional performance and versatility, the L44643L bearing finds applications in diverse industries, including:
Advanced Features
The L44643L bearing incorporates advanced features to enhance its performance and reliability:
Comparison with Pros and Cons
To help you make an informed decision, here's a comparison of the pros and cons of the L44643L bearing:
Pros | Cons |
---|---|
High load capacity | Limited axial load capacity under high radial loads |
Precise rotation | Requires precise mounting and alignment |
Long service life | Can be more expensive than single-row bearings |
Low noise | Requires periodic lubrication |
Versatility | May not be suitable for applications with extreme temperature fluctuations |
Stories and Lessons
The Curious Case of the Misaligned Bearing: A manufacturer experienced premature bearing failure due to misalignment during installation. They learned the importance of meticulous mounting and precise alignment to ensure proper bearing performance.
The Overloaded Bearing's Journey: A machine operator overloaded a bearing beyond its specified capacity. The result was catastrophic failure, causing downtime and costly repairs. This taught them the significance of adhering to recommended load limits to avoid premature bearing damage.
The Lubrication Lesson: A conveyor system experienced frequent bearing failures due to insufficient lubrication. After implementing a proper lubrication schedule, the bearings performed flawlessly, demonstrating the impact of regular maintenance on bearing longevity.
Technical Specifications
Specification | Value |
---|---|
Bearing Type | Double-Row Angular Contact Ball Bearing |
Bore Diameter | 40 mm |
Outer Diameter | 68 mm |
Width | 20 mm |
Radial Load Capacity | 9,200 N |
Axial Load Capacity | 4,100 N |
Speed Limit | 12,000 rpm |
Material | Bearing Steel |
Lubrication | Grease or Oil |
Conclusion
The L44643L bearing is an exceptional precision bearing that delivers exceptional performance, reliability, and versatility. Its high load capacity, precise rotation, and long service life make it an indispensable component for demanding applications across various industries. By understanding its construction, benefits, applications, and advanced features, you can optimize its performance and ensure the efficient operation of your equipment.
References
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