7213 BECBM
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 BECBM Bearing Product Overview & Core Advantages
The 7213 B is a single row angular contact ball bearing engineered for high-precision applications requiring superior performance under combined loads. Designed with a 40° contact angle, it excels at supporting significant axial loads in one direction while simultaneously handling radial loads. Manufactured to P6 (ABEC-3) tolerance class, it ensures exceptional running accuracy and rotational stability. Its open design facilitates high-speed operation, making it an ideal choice for demanding industrial machinery where high rigidity and reliability are paramount.
7213 BECBM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7213 | Basic Bearing Series & Size | Indicates a metric series bearing with a 65mm bore, 120mm OD, and 23mm width. |
| B | 40° Contact Angle | Denotes a standardized 40° contact angle, optimized for handling high axial loads. |
| (No Seal Suffix) | Open (Non-Contact) Seal | The bearing is supplied without seals or shields, minimizing friction and enabling high-speed performance and easy re-lubrication. |
7213 BECBM Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The 40° contact angle and precisely calculated shoulder diameters on both rings provide a large load-carrying capacity and excellent guidance for the balls, resulting in high rigidity and stable operation under combined loads.
Superior Load Capacity: With a dynamic load rating of 15,638 lbf and a static load rating of 12,825 lbf, this bearing is built to withstand demanding operational conditions.
High-Speed Capability: The brass cage ensures dimensional stability and strength at high rotational speeds, contributing to a limiting speed of 8,500 rpm. The open design further reduces friction and heat generation.
Premium Material Construction: Manufactured from chrome steel for both rings and balls, the bearing offers high fatigue resistance and long service life. The brass cage provides excellent durability and guidance.
7213 BECBM Bearing Typical Application Areas
The 7213 B angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Agricultural Machinery
- Material Handling Equipment
