51115
51100 & 51000 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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51115 Bearing Product Overview & Core Advantages
The 51115 metric thrust ball bearing is engineered for high-precision axial load applications where space constraints and directional force management are critical. This single-direction thrust bearing features an open design optimized for pure axial loads, providing exceptional load-carrying capacity and dimensional stability. Manufactured from premium 52100 chrome steel with stainless steel cage construction, it delivers reliable performance in demanding industrial environments while maintaining compliance with ROHS and REACH standards.
51115 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Meaning |
|---|---|
| 51115 | Standard metric thrust ball bearing designation |
| Open | No seals or shields, optimized for lubrication access and heat dissipation |
| Thrust | Designed exclusively for axial load applications |
51115 Bearing Structural Features & Performance Benefits
Superior Axial Load Capacity: Engineered with precision-ground raceways and high-grade steel components to handle substantial axial dynamic load ratings of 9945 lbf and axial static load ratings of 30150 lbf, ensuring reliable performance under heavy thrust conditions.
Optimized Thermal Performance: The open seal design facilitates efficient lubrication distribution and heat dissipation, supporting operation within a temperature range of -30° to 110°C while maintaining dimensional stability.
High-Speed Capability: Featuring a stainless steel cage that provides excellent guidance and stability, enabling limiting speeds up to 4,300 rpm while minimizing friction and wear.
Precision Engineering: Manufactured with tight dimensional tolerances (bore: -0.015mm to 0, outside diameter: -0.02mm to 0) ensuring precise fit and alignment in critical applications.
51115 Bearing Typical Application Areas
- Industrial Machinery: Vertical pumps, machine tool spindles, and heavy-duty gearboxes requiring precise axial positioning
- Automotive Systems: Clutch release mechanisms, steering columns, and transmission components
- Power Transmission: Thrust applications in gear reducers, worm gear assemblies, and industrial drives
- Material Handling: Crane hooks, lifting equipment, and vertical shaft applications
- Precision Equipment: Medical devices, testing instruments, and positioning systems demanding high axial accuracy
