7015 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7015 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7015 ACD/HCP4A is a single-row angular contact ball bearing engineered for high-precision applications demanding exceptional speed and rigidity. Its defining feature is the 25° contact angle, optimized to support significant combined loads—handling both radial and axial forces simultaneously with high efficiency. Manufactured to the stringent P4 (ABEC-7) tolerance class, this bearing ensures superior running accuracy. The combination of a phenolic cage and ceramic balls enables outstanding high-speed performance, making it an ideal solution for machine tool spindles and other precision machinery where reliability and accuracy are paramount.
Model Code In-Depth Analysis
| Code Segment | Technical Meaning |
|---|---|
| 7015 | Standard bearing series number, indicating a 75mm bore, 115mm OD, and 20mm width. |
| ACD | Angular Contact Design with a 25° contact angle and optimized internal geometry for high axial load capacity. |
| HCP4A | Hybrid Ceramic (Ceramic balls with steel rings) and P4 tolerance class. The 'A' indicates a specific internal design and preload level. |
7015 ACD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The use of ceramic balls with steel rings significantly reduces centrifugal forces, lowers operating temperature, and extends service life, especially in high-speed applications.
- Phenolic Resin Cage: This lightweight and robust cage material contributes to lower vibration, quieter operation, and excellent performance at high rotational speeds.
- High Rigidity & Load Capacity: The 25° contact angle and precision-ground raceways provide high rigidity, enabling the bearing to handle substantial combined radial and axial loads.
- Precision P4 Tolerance: Manufactured to ABEC-7 standards, this bearing guarantees minimal runout and superior positional accuracy for demanding spindle applications.
- Preload & Matched Arrangement: The bearing is supplied with a preload, ensuring zero clearance for maximum system stiffness and precise rotational accuracy.
7015 ACD/HCP4A Bearing Typical Application Areas
The 7015 ACD/HCP4A is specifically designed for high-performance machinery where speed, precision, and reliability are critical. Its primary applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors & Spindles: Applications requiring extreme rotational velocities.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
