7221 BECBP
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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7221 BECBP Bearing Product Overview & Core Advantages
The 7221 BECBP is a single row angular contact ball bearing engineered for applications requiring high precision and reliable performance under combined loads. This metric bearing features a 40° contact angle and P6 (ABEC-3) tolerance class, making it particularly suitable for arrangements where high rigidity and precise rotational accuracy are critical. Its optimized internal geometry enables it to accommodate significant axial loads in one direction in addition to radial loads, making it an excellent choice for high-speed applications with demanding performance requirements.
7221 BECBP Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| BE | Increased contact angle (40°) design | Enhanced axial load capacity in one direction |
| CB | Clearance specification | Optimized internal fit for thermal management |
| P | P6 tolerance class (ABEC-3) | High precision running accuracy and dimensional consistency |
7221 BECBP Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with consistent dimensional accuracy, ensuring reliable performance in precision applications. The nylon cage provides excellent guidance and reduces friction at high speeds.
Optimized Load Capacity: With a 40° contact angle, this bearing delivers superior axial load capacity in one direction while maintaining excellent radial load performance. The radial dynamic load rating of 35,100 lbf and static load rating of 33,750 lbf ensure reliable operation under demanding conditions.
High-Speed Performance: The combination of nylon cage material and optimized internal geometry enables operation at limiting speeds up to 4,300 rpm. The precise bearing dimensions and optimized shoulder diameters ensure stable operation across the entire speed range.
Material Excellence: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability. The open design allows for customized lubrication solutions to match specific application requirements.
7221 BECBP Bearing Typical Application Areas
- Machine tool spindles requiring high precision and rigidity
- High-speed pumps and compressors with significant axial loads
- Precision gearboxes and transmission systems
- Industrial motors operating at elevated speeds
- Material handling equipment with combined loading requirements
- Robotics and automation systems demanding precise motion control
