53218
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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53218 Bearing Product Overview & Core Advantages
The 53218 is a metric thrust ball bearing engineered for applications requiring high axial load capacity and precision operation. This open-type bearing is designed to accommodate thrust loads in a single direction, making it ideal for high-reliability scenarios. Its construction from 52100 Chrome Steel ensures durability, while the stainless steel cage contributes to stable performance. The bearing features tight dimensional tolerances, supporting precise axial positioning and smooth operation in demanding environments.
53218 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 53 | Indicates thrust ball bearing series |
| 218 | Specifies dimensional series and bore size (90mm) |
| Open | No seals or shields, allowing for direct lubrication access |
53218 Bearing Structural Features & Performance Benefits
High Load Capacity: The 53218 delivers exceptional axial dynamic load rating of 25,200 lbf and axial static load rating of 65,250 lbf, making it suitable for heavy thrust applications.
Precision Engineering: With bore diameter tolerance of -0.02mm to 0 and width tolerance of +0.025mm to -0.3mm, this bearing ensures accurate axial positioning and minimal runout.
Temperature Resilience: Operating temperature range of -30° to 110°C allows for reliable performance in varied environmental conditions.
Optimized Cage Design: The stainless steel cage provides excellent guidance for the balls, contributing to stable operation at limiting speeds up to 2,600 rpm.
53218 Bearing Typical Application Areas
- Industrial Machinery: Thrust applications in heavy equipment and power transmission systems
- Automotive Systems: Clutch release bearings and steering mechanisms
- Construction Equipment: Crane hooks and lifting mechanisms requiring high axial load capacity
- Power Generation: Vertical pump motors and turbine applications
- Material Handling: Conveyor systems and positioning tables
