7014 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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7014 CB/P4A Bearing Product Overview & Core Advantages
The 7014 CB/P4A is a single-row angular contact ball bearing engineered for applications demanding exceptional precision and high-speed performance. As a P4 (ABEC-7) tolerance class bearing, it guarantees superior running accuracy. Its key advantage lies in its ability to accommodate combined loads—significant radial loads and axial loads in one direction—simultaneously. The 15° contact angle is optimized for high-speed operation, while the phenolic cage contributes to low friction and high rigidity. This bearing is preloaded, ensuring minimal axial and radial play for enhanced system stability, making it an ideal choice for high-reliability, precision machinery.
7014 CB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Standard bearing series designation, indicating a 70mm bore, 110mm OD, and 20mm width. |
| CB | Specific internal design and contact angle (15°), optimized for specific preload and stiffness characteristics. |
| P4A | Denotes a high-precision tolerance class equivalent to ABEC-7. The 'A' suffix may indicate specific accuracy deviations or special requirements. |
7014 CB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance with a preload, this bearing provides exceptional rotational accuracy and system stiffness, critical for minimizing deflection under load.
- Superior Load Capacity: The angular contact design with a 15° contact angle efficiently handles combined radial and one-direction axial loads. With a dynamic load rating of 4275 lbf and a static load rating of 3668 lbf, it offers reliable performance in demanding conditions.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the optimized internal geometry and 15° contact angle enable a high limiting speed of 26,000 rpm.
- Robust Material Construction: Rings and balls made from high-grade chrome steel provide excellent wear resistance and durability, ensuring a long service life.
7014 CB/P4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- High-Speed Pumps and Compressors
- Robotic Arms and Precision Positioning Systems
