7213 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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7213 BEP Bearing Product Overview & Core Advantages
The 7213 B is a single row angular contact ball bearing designed for applications requiring high precision and reliable performance under combined loads. This precision bearing excels in handling significant axial loads in one direction while simultaneously supporting radial loads, thanks to its optimized 40° contact angle. Manufactured to P6 (ABEC-3) tolerance class, it ensures exceptional running accuracy and dimensional stability. Its compact design with a 65 mm bore and 120 mm outside diameter makes it ideal for space-constrained, high-performance assemblies demanding high rigidity and operational reliability.
7213 BEP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7213 | Basic bearing designation indicating a metric series angular contact ball bearing with 65 mm bore and 120 mm OD. |
| B | Denotes a 40° contact angle, optimized for handling higher axial loads compared to standard angular contact bearings. |
7213 BEP Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row design with a 40° contact angle provides excellent resistance to combined (radial and axial) loads. The optimized internal geometry, including specific shoulder diameters (inner ring: 86.35 mm/75.48 mm), ensures stable load distribution and minimizes deflection under operation.
- High-Speed Performance: The nylon cage reduces rotational mass and friction, contributing to the high limiting speed of 6,300 rpm. This makes the bearing suitable for demanding high-speed applications.
- Precision Engineering: Manufactured to P6 tolerance class with tight dimensional control (bore: -0.012mm to 0, OD: -0.013mm to 0), ensuring precise shaft positioning and smooth, vibration-free operation.
- Material & Lubrication: Constructed from chrome steel for both rings and balls, providing high durability and wear resistance. The bearing is pre-lubricated for immediate use and operates effectively within a temperature range of -30° to 110°C.
7213 BEP Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and lathes requiring high speed and rigidity.
- Industrial Pumps & Compressors: Handling significant axial thrust loads in centrifugal pumps and compressor systems.
- Gearboxes & Transmissions: Supporting shafts under combined radial and axial loads in power transmission systems.
- Precision Medical Equipment: High-speed dental handpieces and laboratory instrumentation.
- Agricultural Machinery: PTO shafts and implement drives requiring robust bearing performance.