7015 ACB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7015 ACB/HCP4A Bearing Product Overview & Core Advantages
The 7015 ACB/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and speed capability. This bearing features a 25° contact angle and ceramic balls, making it ideally suited for handling combined radial and axial loads in one direction. Its P4 (ABEC-7) tolerance class ensures superior running accuracy, while the phenolic cage and preload availability contribute to outstanding high-speed performance and system rigidity.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7015 | Standard bearing series designation with 75 mm bore diameter. |
| ACB | Angular Contact Bearing with a 25° contact angle. |
| H | Indicates the use of ceramic (hybrid) balls. |
| C | Refers to the phenolic resin cage material. |
| P4A | Specifies the P4 (ABEC-7) precision tolerance class. |
7015 ACB/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The use of ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and extends service life, especially in high-speed applications.
High Rigidity & Preload: The angular contact design and availability of preload enable high system rigidity, minimizing deflection under load for improved machining or positioning accuracy.
Optimized High-Speed Performance: The lightweight phenolic cage and low-friction ceramic balls allow for a high limiting speed of 26,000 rpm.
Precision Engineering: Manufactured to P4 tolerance standards, this bearing ensures minimal runout and vibration for superior performance in precision machinery.
7015 ACB/HCP4A Bearing Typical Application Areas
The 7015 ACB/HCP4A is ideally suited for demanding applications where high speed, precision, and reliability are critical. Key industries and equipment include:
- Machine Tool Spindles (High-speed milling and grinding spindles)
- Precision Robotics (Articulated arm joints and rotary actuators)
- High-Frequency Motors and Spindles
- Medical and Dental Equipment (High-speed handpieces, centrifuges)
- Aerospace Instrumentation (Gyroscopes, navigation systems)
