7212 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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7212 BECBJ Bearing Product Overview & Core Advantages
The 7212 BECBJ is a single row angular contact ball bearing designed for high-precision applications requiring exceptional performance under combined loads. Engineered with a 40° contact angle, this bearing excels at supporting substantial axial loads in one direction while simultaneously handling radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and rotational precision. Its optimized internal geometry and high-grade materials ensure high rigidity and reliable operation, making it an ideal choice for demanding industrial machinery where precision and reliability are paramount.
7212 BECBJ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| BE | High capacity internal design with optimized contact angle and ball complement. |
| CB | Specific internal clearance and tolerance class for precision applications. |
| J | Stainless steel pressed cage, offering excellent strength and corrosion resistance. |
7212 BECBJ Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row design with a 40° contact angle provides excellent resistance to axial loads from one direction and significant radial loads. The calculated distance from side face to load point (47 mm) contributes to stable moment load support.
- Precision Performance: Manufactured to P6 tolerance class, this bearing ensures minimal runout and vibration, critical for high-speed and high-precision applications.
- High-Speed Capability: The lightweight, robust stainless steel cage (suffix J) maintains ball guidance and stability, enabling operation at the specified limiting speed of 7,500 rpm.
- Material Integrity: Constructed from chrome steel for rings and balls, the bearing offers high fatigue life and wear resistance, suitable for a wide temperature range of -30°C to 110°C.
7212 BECBJ Bearing Typical Application Areas
The 7212 BECBJ angular contact ball bearing is ideally suited for applications requiring high precision and the ability to handle combined loads. Key industries and equipment include:
- Machine Tool Spindles
- High-Frequency Motors
- Pumps and Compressors
- Precision Gearboxes
- Agricultural and Construction Machinery
