51111
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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51111 Bearing Product Overview & Core Advantages
The 51111 metric thrust ball bearing is engineered for high-precision axial load applications requiring exceptional rigidity and reliability. This thrust bearing is specifically designed to accommodate unidirectional axial loads with high efficiency, making it ideal for compact assemblies where space is limited but performance is critical. Manufactured from 52100 Chrome Steel with a stainless steel cage, it delivers consistent operation within a broad temperature range and complies with industry environmental standards.
51111 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 51111 | Standard metric thrust ball bearing designation |
| Open (Seal Type) | No sealing, optimized for clean environments and maximum speed capability |
51111 Bearing Structural Features & Performance Benefits
High Load Capacity: Engineered with precision-ground 52100 Chrome Steel components, this bearing delivers axial dynamic load rating of 6795 lbf and axial static load rating of 18338 lbf, ensuring reliable performance under significant thrust loads.
Optimized Speed Performance: The stainless steel cage provides excellent guidance and stability, contributing to a limiting speed of 5,300 rpm while maintaining operational precision.
Precision Engineering: Tight dimensional tolerances on bore diameter (55 mm), outside diameter (78 mm), and width (16 mm) ensure precise fitment and alignment in demanding applications.
Temperature Resilience: Operating temperature range of -30°C to 110°C allows for reliable performance across various industrial environments.
51111 Bearing Typical Application Areas
- Machine Tool Components: Vertical machining centers, lathe tailstocks, and precision positioning systems
- Industrial Machinery: Thrust arrangements in pumps, compressors, and gearboxes
- Automotive Systems: Clutch release mechanisms and steering column assemblies
- Material Handling Equipment: Lifting systems and rotating platforms requiring axial load support
- Precision Instruments: Medical equipment and testing devices where space constraints and axial load capacity are critical
