7204 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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7204 BECBJ Bearing Product Overview & Core Advantages
The 7204 BECBJ is a single row angular contact ball bearing designed for applications requiring high precision and reliable performance under combined loads. This metric bearing features a 40° contact angle that enables it to effectively handle both radial loads and substantial axial loads in one direction. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and dimensional stability. The open design allows for optimal lubrication management, while the stainless steel cage ensures reliable operation at high rotational speeds up to 19,000 rpm.
7204 BECBJ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| BE | Increased contact angle (40°) for enhanced axial load capacity |
| CB | Specific internal clearance and optimized internal geometry |
| J | Stainless steel pressed cage design |
7204 BECBJ Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with precise dimensional control, ensuring consistent performance in demanding applications. The chrome steel rings and balls provide excellent wear resistance and durability.
Optimized Load Capacity: The 40° contact angle and optimized raceway geometry enable superior combined load handling, with dynamic load rating of 3218 lbf and static load rating of 1834 lbf. The distance from side face to load point (21 mm) contributes to stable moment load support.
High-Speed Performance: The stainless steel cage ensures reliable operation at limiting speeds of 19,000 rpm, while the open design facilitates efficient lubrication for reduced friction and heat generation.
Precision Dimensions: With bore diameter of 20 mm, outside diameter of 47 mm, and width of 14 mm, this bearing offers compact design while maintaining high rigidity and precise shoulder diameters for proper mounting.
7204 BECBJ Bearing Typical Application Areas
- Machine tool spindles requiring high precision and speed capability
- Precision gearboxes and transmission systems
- Industrial pumps and compressors
- Robotics and automation equipment
- Medical equipment and precision instruments
- Electric motors with high-speed requirements
