7014 CDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7014 CDGA/P4A Bearing Product Overview & Core Advantages
The 7014 CDGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running precision. Its 15° contact angle and Universal Matchable (SU) design make it ideally suited for high-speed operation and precise preload adjustment when used in pairs. The extra light preload (Class A) minimizes friction and heat generation, contributing to its high limiting speed of 22,000 rpm.
7014 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing designation indicating a 70mm bore, 110mm OD, and 20mm width. |
| C | 15° nominal contact angle. |
| DG | Universal Matchable (SU) bearing. Two bearings can be paired in a back-to-back (DB) or face-to-face (DF) arrangement to support combined loads. |
| A | Extra light preload (Class A). |
| P4A | High precision tolerance class exceeding ABEC-7 standards, ensuring minimal runout and vibration. |
7014 CDGA/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: The P4A tolerance class and phenolic resin cage ensure exceptional dimensional stability and smooth operation at high speeds, providing the high rigidity required for precise spindle applications.
Superior Load Capacity: The angular contact design with a 15° contact angle is engineered to handle combined radial and axial loads simultaneously. With a dynamic load rating of 11,700 lbf and a static load rating of 10,238 lbf, it offers reliable performance under demanding conditions.
Optimized High-Speed Performance: The lightweight phenolic cage, low-friction preload, and optimized internal geometry contribute to a very high limiting speed, making it an excellent high-speed bearing.
Universal Matching Capability: As a Universal Matchable (SU) bearing, the 7014 CDGA/P4A can be precisely paired with another identical bearing to create a preloaded set, simplifying installation and optimizing system stiffness.
7014 CDGA/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance machinery where accuracy and speed are critical. Key applications include:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Spindles for PCB drilling and routing
- High-Frequency Motors
- Industrial Pumps & Compressors
- Robotic Arms & Precision Gearboxes
