53311
53000 Series Self-Aligning Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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53311 Bearing Product Overview & Core Advantages
The 53311 is a metric thrust ball bearing engineered for high-precision axial load applications. Designed specifically to accommodate unidirectional thrust loads, this bearing features an open design that facilitates efficient lubrication and heat dissipation. Its robust construction using 52100 Chrome Steel provides exceptional durability and load capacity, making it ideal for applications demanding high axial rigidity and reliable performance in challenging operating conditions.
53311 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 53311 | Basic model number indicating thrust ball bearing design with specific dimensions |
| Open | No seals or shields, allowing for direct lubrication access |
53311 Bearing Structural Features & Performance Benefits
Enhanced Load Capacity: The 53311 thrust ball bearing delivers exceptional axial dynamic load rating of 22,725 lbf and axial static load rating of 50,400 lbf, ensuring reliable performance under heavy thrust loads.
Precision Engineering: Manufactured with tight dimensional tolerances (bore diameter tolerance: -0.015mm to 0) and stainless steel cage for consistent operation and reduced friction.
Thermal Performance: The open design allows for optimal lubrication flow, supporting operation within a temperature range of -30° to 110°C while maintaining dimensional stability.
Material Excellence: Constructed from 52100 Chrome Steel for both rings and balls, providing superior hardness, wear resistance, and fatigue life.
53311 Bearing Typical Application Areas
- Industrial Machinery: Vertical pumps, gearboxes, and machine tool spindles requiring precise axial positioning
- Automotive Systems: Clutch release mechanisms and steering systems
- Heavy Equipment: Construction machinery and mining equipment thrust assemblies
- Power Transmission: Applications involving high axial loads in rotating assemblies
- Precision Equipment: Medical devices and instrumentation requiring accurate axial load support
