7308 BEP
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 BEP Bearing Product Overview & Core Advantages
The 7308 BEP 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, optimized for supporting substantial axial loads in one direction while simultaneously handling radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy. Its open design, combined with a lightweight nylon cage, facilitates high-speed operation up to 9,000 rpm, making it an ideal component for demanding, precision machinery.
7308 BEP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Significance |
|---|---|
| 7308 | Standard bearing series designation indicating a 40mm bore, 90mm OD, and 23mm width. |
| BE | Designates an optimized internal design with a 40° contact angle and reinforced structural components for increased load capacity and rigidity. |
| P | Indicates the bearing is supplied with a glass fiber reinforced nylon cage (Polyamide cage), contributing to lower friction, quieter operation, and superior high-speed performance. |
7308 BEP Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The single row design with a steep 40° contact angle is engineered to provide high resistance to deflection under load. It offers a dynamic load rating of 10,395 lbf and a static load rating of 6,862 lbf, making it capable of handling significant combined radial and axial loads.
- Optimized High-Speed Performance: The lightweight and robust nylon cage (P suffix) minimizes centrifugal forces and ensures stable operation at the limiting speed of 9,000 rpm. The open design allows for efficient lubrication and heat dissipation.
- Precision Engineering: Manufactured to P6 tolerance class with tight dimensional control on bore, outside diameter, and width, ensuring precise shaft positioning and smooth rotation in high-accuracy applications.
- Durable Material Construction: Rings and balls made from high-grade chrome steel provide excellent wear resistance and long service life under standard operating temperatures from -30°C to 110°C.
7308 BEP Bearing Typical Application Areas
The 7308 BEP is suited for a wide range of high-performance machinery, including:
- Machine Tool Spindles
- High-Frequency Electric Motors
- Pumps and Compressors
- Precision Gearboxes
- Agricultural Machinery
