7217 BECBJ
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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7217 BECBJ Bearing Product Overview & Core Advantages
The 7217 BECBJ is a single row angular contact ball bearing engineered for applications requiring high precision and superior performance under combined loads. This metric bearing features a 40° contact angle, optimized to handle significant axial loads in one direction while supporting radial loads simultaneously. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and rotational stability. Its open design, combined with precision-ground chrome steel components and a stainless steel cage, makes it ideal for high-speed operation up to 5,300 rpm, ensuring reliable performance in demanding industrial environments.
7217 BECBJ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| BE | Increased contact angle (40°) and optimized internal design | Enhanced axial load capacity and high-speed capability |
| CB | Specific internal clearance and preload configuration | Optimized for precision applications requiring minimal deflection |
| J | Stainless steel pressed cage design | Improved corrosion resistance and suitability for high-speed operation |
7217 BECBJ Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The 40° contact angle and precision-ground raceways provide superior axial load capacity while maintaining excellent radial load performance, making it suitable for combined loading applications.
High-Speed Capability: The lightweight stainless steel cage reduces centrifugal forces, enabling stable operation at limiting speeds up to 5,300 rpm. The open design facilitates efficient lubrication management.
Precision Engineering: Manufactured to P6 tolerance class with tight dimensional control (bore: 85mm, OD: 150mm, width: 28mm), ensuring consistent performance and easy installation in precision assemblies.
Robust Material Construction: Chrome steel rings and balls provide high fatigue resistance and durability, while the stainless steel cage offers corrosion resistance and reliability across the operating temperature range of -30° to 110°C.
7217 BECBJ Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers requiring accurate rotational performance
- Industrial Pumps: Centrifugal and process pumps handling axial and radial loads
- Precision Gearboxes: Transmission systems demanding high-speed capability and reliability
- Electric Motors: High-performance motors requiring precise bearing alignment and speed capability
- Material Handling Equipment: Conveyor systems and automation equipment needing robust bearing solutions
