7308 BECBY
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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7308 BECBY Bearing Product Overview & Core Advantages
The 7308 BECBY is a single row angular contact ball bearing designed for high-precision applications requiring superior performance under combined loads. Engineered with a 40° contact angle, this bearing excels at handling significant axial loads in one direction while simultaneously supporting radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and rotational precision. The brass cage construction ensures reliable operation at high speeds up to 10,000 rpm, making it ideal for demanding industrial applications where rigidity and precision are critical.
7308 BECBY Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| BE | High capacity design with optimized internal geometry | Enhanced load carrying capacity and extended service life |
| CB | Specific internal clearance and contact angle combination | Optimized for combined loads and precise axial positioning |
| Y | Special cage design and material specification | Improved high-speed performance with brass cage |
7308 BECBY Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The BE designation indicates enhanced raceway and ball complement design, providing superior load distribution and increased dynamic load rating of 11,250 lbf.
Precision Engineering: Manufactured to P6 tolerance class with bore diameter tolerance of -0.01mm to 0, ensuring exceptional running accuracy and minimal vibration.
High-Speed Capability: The brass cage combined with a 40° contact angle enables stable operation at limiting speeds of 10,000 rpm, making it suitable for high-speed applications.
Superior Material Quality: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability under demanding operating conditions.
Thermal Stability: Operating temperature range of -30° to 110°C ensures reliable performance across various industrial environments.
7308 BECBY Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and CNC equipment
- Industrial Pumps: Centrifugal pumps and high-pressure pumping systems
- Electric Motors: High-speed motors and precision servo drives
- Gearboxes: Precision transmission systems and speed reducers
- Medical Equipment: High-speed dental handpieces and surgical tools
- Robotics: Precision joints and articulated arm mechanisms
- Aerospace Components: Auxiliary systems and precision mechanisms
