7209 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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7209 BECBJ Bearing Product Overview & Core Advantages
The 7209 BECBJ is a single row angular contact ball bearing designed for high-precision applications requiring exceptional performance under combined loads. Engineered to simultaneously handle radial loads and substantial axial loads in one direction, this bearing features a 40° contact angle for optimal axial load capacity. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and reliability in demanding industrial environments. The open design allows for custom lubrication solutions while maintaining high-speed capabilities up to 10,000 rpm.
7209 BECBJ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| BE | Increased contact angle (40°) | Enhanced axial load capacity |
| CB | Specific internal clearance | Optimized for precision applications |
| J | Stainless steel cage | Corrosion resistance and high-speed stability |
7209 BECBJ Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with precise bore diameter tolerance (-0.01mm to 0) and outside diameter tolerance (-0.013mm to 0) ensuring consistent performance in precision machinery.
Superior Load Capacity: The 40° contact angle design enables handling of combined radial and axial loads with dynamic load rating of 8,550 lbf and static load rating of 6,412 lbf. The optimized shoulder diameters (inner ring: 60.85mm/52.68mm, outer ring: 70.15mm) provide secure mounting and load distribution.
High-Speed Performance: The stainless steel cage and optimized internal geometry support limiting speeds of 10,000 rpm, making it suitable for high-rotation applications.
Material Excellence: Constructed from chrome steel rings and balls with stainless steel cage, providing durability and corrosion resistance within the operating temperature range of -30°C to 110°C.
7209 BECBJ Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and CNC equipment
- Industrial Pumps: Centrifugal and process pumps requiring axial load capacity
- Precision Gearboxes: Industrial transmission systems
- Electric Motors: High-speed motor applications
- Medical Equipment: Diagnostic and imaging devices
- Robotics: Industrial robot joints and actuators
