51211
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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51211 Bearing Product Overview & Core Advantages
The 51211 thrust ball bearing is a metric system component engineered for pure thrust applications. Designed to accommodate axial loads in one direction, this bearing delivers exceptional performance in compact installations. Manufactured from 52100 Chrome Steel for both rings and balls, it ensures high durability and reliable operation. With its open design and precision-ground components, the 51211 offers excellent load-carrying capacity and smooth operation, making it ideal for applications demanding high precision and reliability.
51211 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51211 | Basic model designation for thrust ball bearing with specific dimensions |
| Open | No seals or shields, allowing for high-speed operation and easy relubrication |
51211 Bearing Structural Features & Performance Benefits
High Load Capacity: The 51211 features optimized raceway geometry and precision-grade balls that deliver axial dynamic load rating of 13,162 lbf and axial static load rating of 30,150 lbf, ensuring reliable performance under significant thrust loads.
Precision Engineering: With tight dimensional tolerances (bore diameter tolerance: -0.015mm to 0, outside diameter tolerance: -0.02mm to 0), this bearing provides precise axial positioning and smooth operation in demanding applications.
High-Speed Capability: The stainless steel cage construction and open design enable operation at limiting speeds up to 4,000 rpm, making it suitable for high-velocity applications.
Temperature Resilience: Operating effectively within a temperature range of -30°C to 110°C, this bearing maintains performance across various environmental conditions.
51211 Bearing Typical Application Areas
- Industrial Machinery: Machine tool spindles, vertical pumps, and hydraulic systems requiring precise axial load support
- Automotive Systems: Clutch release mechanisms, steering columns, and transmission components
- Aerospace Equipment: Actuators, control surfaces, and auxiliary power units
- Material Handling: Lifting equipment, conveyor systems, and positioning tables
- Power Transmission: Gearboxes, drive systems, and rotating assemblies requiring thrust load management
