7213 BECBP
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 BECBP Bearing Product Overview & Core Advantages
The 7213 BECBP is a high-precision, single row angular contact ball bearing engineered for applications demanding exceptional accuracy and reliability. Its defining characteristic is the 40° contact angle, which provides superior performance in handling combined loads—simultaneously supporting significant radial loads and high unidirectional axial loads. Manufactured to a P6 (ABEC-3) tolerance class, this bearing ensures precise running accuracy and is optimized for high-speed operation with a limiting speed of 6,700 rpm. The open design, combined with a lightweight nylon cage, makes it an ideal choice for high-performance spindles and precision machinery.
Model Code Breakdown
| Model Segment | Description | Technical Significance |
|---|---|---|
| 7213 | Basic Bearing Number | Indicates a metric, single row angular contact ball bearing with a 65 mm bore, 120 mm OD, and 23 mm width. |
| BE | High Capacity & Contact Angle | Designates an optimized internal design with a 40° contact angle for increased axial load capacity. |
| CB | Clearance/Preload | Specifies a universal or normal internal clearance group suitable for a wide range of operating conditions. |
| P6 | Tolerance Class | Corresponds to ABEC-3, indicating high precision dimensional and running accuracy. |
7213 BECBP Bearing Structural Features & Performance Benefits
- Optimized Internal Geometry (BE Design): The 40° contact angle and optimized raceway geometry significantly increase the axial load rating, making it exceptionally capable of handling thrust loads in one direction.
- High-Speed Capability: The standard nylon cage is lightweight, reduces friction, and is ideal for achieving high rotational speeds. The bearing's optimized internal design further contributes to its limiting speed of 6,700 rpm.
- Precision and Rigidity: Manufactured to a P6 tolerance class, this bearing ensures minimal runout and consistent performance, providing the high rigidity required in precision applications.
- Superior Material Construction: Made from high-grade chrome steel for both rings and balls, ensuring high durability, wear resistance, and a long operational lifespan under demanding conditions.
- Pre-Lubricated: The bearing comes lubricated, ready for immediate installation and initial operation, simplifying the assembly process.
7213 BECBP Bearing Typical Application Areas
The 7213 BECBP is designed for high-performance applications where precision, speed, and load capacity are critical. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Industrial transmissions requiring accurate shaft positioning.
- Pumps and Compressors: For handling axial and radial loads in fluid movement systems.
- Agricultural Machinery: High-demand driveline and power transmission components.
- Material Handling Systems: Conveyor rollers and other high-speed rotating units.
