1121
1000 & 59000 Series Thin Section Thrust Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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1121 Bearing Product Overview & Core Advantages
The 1121 is a metric thrust ball bearing engineered for applications requiring high axial load capacity and precision. Designed specifically to accommodate thrust loads in a single direction, this bearing features an open design that facilitates efficient lubrication. Manufactured from 52100 Chrome Steel for both rings and balls, it delivers exceptional durability and reliable performance in demanding industrial environments. Its precise dimensional tolerances ensure consistent operation, making it suitable for high-reliability applications where axial force management is critical.
1121 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Significance |
|---|---|
| 1121 | Basic model number indicating thrust ball bearing configuration |
| Open | No seals or shields, allowing for custom lubrication solutions |
| Thrust | Specifically designed for axial load applications |
1121 Bearing Structural Features & Performance Benefits
High Axial Load Capacity: The 1121 thrust ball bearing is engineered to handle significant axial dynamic loads up to 8665 lbf and axial static loads up to 71890 lbf, making it ideal for heavy-duty applications.
Precision Engineering: With tight dimensional tolerances (bore diameter tolerance: -0.02mm to 0 and outside diameter tolerance: -0.025mm to 0), this bearing ensures precise alignment and smooth operation.
Optimized Material Selection: Constructed from 52100 Chrome Steel for both rings and balls, combined with a chrome steel cage, the bearing offers excellent wear resistance and long service life.
Temperature Performance: Operating effectively within a temperature range of -30° to 110°C, this bearing maintains performance across various environmental conditions.
1121 Bearing Typical Application Areas
The 1121 thrust ball bearing finds extensive use in applications requiring high axial load capacity, including:
- Industrial machinery with significant axial force requirements
- Heavy equipment and construction machinery
- Power transmission systems requiring axial load support
- Automotive applications including steering mechanisms
- Material handling equipment and lifting systems
- Machine tools with axial load components
