51205
51200 Series Single Direction Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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Product Overview and Core Advantages
The 51205 metric thrust ball bearing is engineered for pure axial load applications requiring high precision and reliability. Manufactured from 52100 Chrome Steel with a stainless steel cage, it delivers exceptional durability and corrosion resistance. Its compact design and high axial load capacity make it ideal for applications demanding precise axial positioning and robust performance under thrust forces.
51205 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51 | Thrust ball bearing series |
| 205 | Bore diameter: 25 mm |
| Open | No seals or shields - optimized for lubrication access |
Structural Features and Performance Benefits
High Load Capacity: Designed specifically for thrust applications, this bearing delivers axial dynamic load rating of 5962 lbf and axial static load rating of 11250 lbf, ensuring reliable performance under significant axial forces.
Precision Engineering: With tight dimensional tolerances (bore diameter tolerance: -0.01mm to 0) and 52100 Chrome Steel construction, the bearing maintains precise axial positioning and minimal runout.
High-Speed Capability: The stainless steel cage enables smooth operation at limiting speeds up to 7,500 rpm, while the open design facilitates optimal lubrication distribution.
Temperature Resilience: Operating range of -30°C to 110°C ensures stable performance across diverse environmental conditions.
51205 Bearing Typical Application Areas
This thrust ball bearing is widely used in:
- Automotive steering systems and transmission components
- Industrial machinery requiring axial load support
- Precision equipment for axial positioning applications
- Pumps and compressors handling thrust loads
- Machine tool accessories and positioning tables
