S7013 ACB/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
S7013 ACB/HCP4A Bearing Product Overview & Core Advantages
The S7013 ACB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This single-row bearing is distinguished by its 25° contact angle and ceramic ball construction, enabling superior performance under combined radial and axial loads. It features a P4 (ABEC-7) tolerance class for ultra-precise operation and is preloaded and pre-lubricated, making it an ideal, ready-to-install solution for high-speed spindles and other precision machinery.
S7013 ACB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACB | Angular Contact Bearing | Optimized for combined loads with a defined contact angle. |
| HCP4A | High-Capacity Phenolic Cage, P4 Precision, A-design (specific internal geometry & preload) | Enables very high limiting speeds, exceptional running accuracy, and high system rigidity. |
S7013 ACB/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed & Rigidity: The combination of a lightweight phenolic cage and ceramic (Si3N4) balls significantly reduces centrifugal forces, allowing for a high limiting speed of 19,000 rpm while maintaining high rotational stiffness.
- Superior Load Capacity: The 25° contact angle is optimally designed to handle substantial axial loads in one direction simultaneously with radial loads, providing excellent combined load performance.
- Ultra-Precision Operation: Manufactured to a P4 (ABEC-7) tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring extreme positional accuracy.
- Preload & Sealed for Longevity: The bearing comes with a preload applied, enhancing system rigidity and rotational accuracy from the moment of installation. Its sealed design protects the high-performance grease from contamination, ensuring reliable, long-term operation.
- Wide Temperature Range: Suitable for operation in a temperature range from -30°C to 110°C, accommodating various operational environments.
S7013 ACB/HCP4A Bearing Typical Application Areas
This high-precision bearing is ideally suited for applications where speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: Dental handpieces, centrifuges, and imaging device rotors.
- Aerospace & Defense: Gyroscopes, radar systems, and navigation instruments.
- High-Frequency Motors and Spindles: Where minimal vibration and high rotational accuracy are required.
