7014 ACE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7014 ACE/HCPA9ADGA Bearing Product Overview & Core Advantages
The 7014 ACE/HCPA9ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This universal matchable bearing is designed to handle combined loads efficiently, accommodating both radial and significant axial loads in one direction. Its extra light preload (Class A) ensures minimal friction and smooth operation, making it ideal for high-speed spindles and precision machinery where high rigidity and running accuracy are paramount. The use of a ceramic ball and phenolic cage further enhances its capability for high-speed operation and reduces weight.
7014 ACE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACE | 25° Contact Angle, Universal Matchable (SU), Extra Light Preload | Optimized for combined loads and high-speed performance; allows for flexible mounting arrangements in sets. |
| HCPA9A | High-Precision Tolerance Class (PA9A) | Ensures extremely tight dimensional and running accuracy for superior performance in precision applications. |
| DGA | Pre-lubricated | Ready for immediate use, simplifying installation and providing initial lubrication for break-in. |
7014 ACE/HCPA9ADGA Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The angular contact design with a 25° contact angle and extra light preload provides high axial and radial stiffness, ensuring precise shaft positioning and minimal deflection under load. The PA9A tolerance class guarantees exceptional running accuracy.
Superior High-Speed Capability: The combination of ceramic balls (lower density, reduced centrifugal forces) and a lightweight phenolic resin cage significantly lowers the bearing's moment of inertia, enabling higher limiting speeds (29,000 rpm) and reduced operating temperatures.
Optimized Load Capacity: Engineered to support combined loads, this bearing offers a high dynamic load rating of 8190 lbf and a static load rating of 7762 lbf, providing reliable performance in strenuous conditions.
Universal Matchability (SU): As a universal matchable bearing, two or more 7014 ACE/HCPA9ADGA bearings can be mounted in any combination (back-to-back, face-to-face, or tandem) to achieve the required stiffness and load-carrying configuration, offering immense design flexibility.
7014 ACE/HCPA9ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- Precision Instrumentation: High-accuracy measuring devices and optical equipment.
- High-Speed Motors and Drives: Electric spindles and servo motors.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other critical rotating assemblies.
