S7013 CD/HCP4ADBA
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
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7013 CD/HCP4ADBA Bearing Product Overview & Core Advantages
The S7013 CD/HCP4ADBA is a precision duplex angular contact ball bearing engineered for demanding applications requiring exceptional rigidity and rotational accuracy. This matched back-to-back (DB) arrangement is preloaded to Extra Light (Class A) specifications, delivering superior system stability and minimizing axial and radial runout. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed performance and reduced rotational inertia. This bearing is designed to handle combined loads efficiently, making it an ideal solution for high-precision, high-reliability spindles and machinery.
Model Code Breakdown
- S7013: Base series, indicating a 65mm bore, 100mm OD, and 36mm width.
- C: 15° contact angle.
- D: Indicates the bearing is part of a duplex pair.
- HC: Hybrid Ceramic construction (steel rings with ceramic balls).
- P4A: High-precision tolerance class (exceeds ABEC 7/ISO P4).
- DB: Back-to-Back mounting arrangement.
- A: Extra Light preload.
S7013 CD/HCP4ADBA Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The duplex back-to-back (DB) design and controlled preload create a highly rigid bearing system that effectively resists moment loads and maintains precise shaft positioning.
Superior High-Speed Capability: The combination of low-density ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces, allowing for a high limiting speed of 36,000 rpm. This also results in lower operating temperatures and extended service life.
Exceptional Precision: Manufactured to P4A tolerance class with tight bore and outside diameter tolerances, this bearing ensures minimal runout and vibration for ultra-precise applications.
Optimized for Combined Loads: The 15° contact angle is optimized to handle significant radial loads while simultaneously supporting substantial axial loads in both directions.
S7013 CD/HCP4ADBA Bearing Typical Application Areas
This high-performance bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors and Spindles.
- Medical and Dental Equipment: High-speed handpieces and scanners.
- Aerospace Instrumentation: Gyroscopes and navigation systems.
