51222
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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51222 Bearing Product Overview & Core Advantages
The 51222 metric thrust ball bearing is engineered for demanding applications requiring high axial load capacity and precision performance. This thrust bearing is designed exclusively to accommodate heavy axial loads in one direction, making it an ideal solution for high-stress mechanical systems. Its construction from 52100 Chrome Steel ensures exceptional durability and wear resistance, while the open seal type facilitates optimal lubrication access. The bearing's precise dimensional tolerances contribute to reliable operation in high-precision assemblies, supporting stable performance under significant thrust forces.
51222 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| 51222 | Basic model designation for thrust ball bearing with specific dimensions | Defines the bearing's size series and configuration type |
| Open | No seals or shields present | Allows for direct lubrication and optimal cooling in appropriate environments |
51222 Bearing Structural Features & Performance Benefits
High Axial Load Capacity: Engineered with precision-ground raceways and high-quality steel components, the 51222 delivers exceptional axial dynamic load rating of 28,125 lbf and axial static load rating of 82,125 lbf, ensuring reliable performance under substantial thrust forces.
Precision Engineering: Manufactured with tight dimensional tolerances (bore: -0.02mm to 0, outside diameter: -0.025mm to 0) and featuring a stainless steel cage, this bearing maintains precise alignment and smooth operation even at the limiting speed of 2,400 rpm.
Material Excellence: Constructed from 52100 Chrome Steel for both rings and balls, the bearing offers superior hardness and fatigue resistance, while the stainless steel cage provides excellent corrosion resistance and dimensional stability.
Thermal Performance: With an operating temperature range from -30°C to 110°C, this bearing maintains consistent performance across diverse environmental conditions.
51222 Bearing Typical Application Areas
- Industrial Machinery: Heavy-duty thrust applications in hydraulic presses, injection molding machines, and large industrial equipment
- Power Transmission Systems: Vertical pumps, marine propulsion systems, and turbine assemblies requiring high axial load capacity
- Construction Equipment: Crane slewing mechanisms, excavator swing drives, and other heavy machinery with significant thrust requirements
- Automotive Systems: Heavy vehicle clutch release mechanisms and steering column applications
- Material Handling: Vertical conveyor systems and lifting equipment where axial loads predominate
