7013 CB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7013 CB/P4A Bearing Product Overview & Core Advantages
The 7013 CB/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and superior running accuracy. As a P4 (ABEC-7) tolerance class bearing, it is designed to handle significant combined loads, accommodating both radial and axial loads in one direction. Its key advantages include high rigidity and high-speed capability, supported by an optimized internal geometry and a phenolic cage. The bearing is preloaded, ensuring minimal axial play and enhanced system stability, making it an ideal choice for high-performance, high-reliability machinery.
7013 CB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CB | Specific internal clearance and preload designation | Provides a controlled, moderate preload for optimal rigidity and running accuracy. |
| P4A | Tolerance class equivalent to ABEC-7 with specific geometrical tolerance requirements | Guarantees high precision and low vibration for demanding applications. |
7013 CB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 15° contact angle and preload configuration deliver high axial rigidity and precise shaft positioning, critical for applications with minimal deflection requirements.
- Superior Load Capacity: Engineered to handle combined radial and axial loads efficiently. With a dynamic load rating of 3510 lbf and a static load rating of 2902 lbf, it offers reliable performance under demanding conditions.
- Optimized High-Speed Performance: The lightweight and robust phenolic resin cage ensures stability and reduces centrifugal forces, enabling a high limiting speed of 28,000 rpm.
- Premium Material Construction: Manufactured from chrome steel for both rings and balls, ensuring high durability, wear resistance, and a long operational life.
7013 CB/P4A Bearing Typical Application Areas
The 7013 CB/P4A is ideally suited for high-precision, high-speed rotational systems, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Aerospace Control Systems
- Medical and Dental Equipment
