51408
51300 & 51400 Series Heavy Duty Thrust Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
51408 Bearing Product Overview & Core Advantages
The 51408 metric thrust ball bearing is engineered for applications requiring high axial load capacity and precision performance. Designed exclusively to handle thrust loads, this bearing features an open design for optimal lubrication access and heat dissipation. Manufactured from 52100 Chrome Steel for both rings and balls, it delivers exceptional durability and wear resistance. Its high axial dynamic load rating of 21,510 lbf and axial static load rating of 41,175 lbf make it ideal for demanding industrial environments where reliability under heavy thrust forces is critical.
51408 Bearing Model Code Explained, Specifications & Naming Convention
| Component | Code | Technical Significance |
|---|---|---|
| Basic Designation | 51408 | Standard metric thrust ball bearing with 40mm bore diameter |
| Seal Type | Open | No seals or shields, enabling maximum lubrication flexibility and heat dissipation |
| Cage Material | Stainless Steel | Provides excellent corrosion resistance and durability at limiting speeds up to 3,400 rpm |
51408 Bearing Structural Features & Performance Benefits
High Load Capacity Design: The 51408 features optimized raceway geometry and ball complement to handle substantial axial thrust loads while maintaining stable operation.
Precision Engineering: With tight dimensional tolerances (bore diameter tolerance: -0.012mm to 0) and 1.1mm chamfer dimension, this bearing ensures precise fitment and alignment in assembly.
Material Excellence: Constructed from 52100 Chrome Steel for both rings and balls, combined with a stainless steel cage, providing superior strength, wear resistance, and corrosion protection.
Thermal Performance: The open design allows for efficient lubrication circulation, supporting operation within a temperature range of -30° to 110°C and effective heat dissipation at high rotational speeds.
51408 Bearing Typical Application Areas
- Industrial Machinery: Thrust applications in heavy equipment, presses, and injection molding machines
- Automotive Systems: Clutch release bearings and steering column thrust applications
- Power Transmission: Gearboxes and drive systems requiring axial load support
- Material Handling: Crane hooks, lifting equipment, and vertical shaft applications
- Agricultural Equipment: Implement systems experiencing significant axial forces
