S7014 CDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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S7014 CDGA/HCP4A Bearing Product Overview & Core Advantages
The S7014 CDGA/HCP4A is a super-precision angular contact ball bearing designed for the most demanding high-speed and high-rigidity applications. Engineered to a P4A tolerance class, it delivers exceptional rotational accuracy and dimensional stability. Its 15° contact angle and ceramic ball construction enable superior performance under combined radial and axial loads, making it ideal for high-speed spindles and precision machinery where reliability is paramount.
S7014 CDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7014 | Super-precision angular contact bearing series with 70mm bore. |
| CD | 15° contact angle design. |
| GA | Preload level: Extra light (Class A). |
| HC | Hybrid Ceramic: Ceramic balls with steel rings. |
| P4A | Tolerance class exceeding ABEC 7/ISO P4, with enhanced running accuracy. |
S7014 CDGA/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of ceramic balls significantly reduces centrifugal forces, lowers operating temperatures, and extends bearing life, especially at high speeds up to 22,000 rpm. This construction also provides superior resistance to wear and electrical erosion.
Phenolic Resin Cage: The lightweight and robust phenolic cage ensures excellent dimensional stability and low friction at high rotational speeds, contributing to smooth operation and reduced vibration.
Precision & Rigidity: Manufactured to a P4A tolerance class with an extra light preload (GA), this bearing offers minimal runout and high system rigidity, which is critical for maintaining machining accuracy.
Universal Matching (SU): Designed as a universal matchable bearing, it can be mounted in any combination (back-to-back, face-to-face, or tandem) with another identical bearing to achieve the required stiffness and load capacity for the application.
S7014 CDGA/HCP4A Bearing Typical Application Areas
The S7014 CDGA/HCP4A is ideally suited for high-performance applications requiring extreme precision and speed, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and spindle drives.
- Aerospace & Defense: Gyroscopes, radar systems, and auxiliary power units.
- High-Frequency Motors & Spindles: Where low friction and high limiting speed are critical.
