7206 CDGA/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
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7206 CDGA/HCP4A Bearing Product Overview & Core Advantages
The 7206 CDGA/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and speed capabilities. Engineered with ceramic balls and P4A super-precision tolerance, this bearing delivers superior performance in high-speed spindle systems. Its 15° contact angle and extra light preload (Class A) configuration provide optimal stiffness while minimizing friction and heat generation. The phenolic cage ensures smooth operation at extreme rotational speeds up to 71,500 rpm, making it an ideal solution for high-speed machining applications where precision and reliability are critical.
7206 CDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 7206 | Basic bearing series with 30mm bore diameter | Standard dimension compatibility |
| CDGA | 15° contact angle with extra light preload | Optimized for high-speed operation with minimal friction |
| HCP4A | Hybrid ceramic design with P4A super precision | Enhanced speed capability and dimensional stability |
7206 CDGA/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride ceramic balls significantly reduces centrifugal forces, enabling higher rotational speeds while maintaining dimensional stability under thermal expansion.
Precision Engineering: Manufactured to P4A tolerance class with bore diameter tolerance of -0.004mm to 0 and outside diameter tolerance of -0.004mm to 0, ensuring exceptional running accuracy and minimal vibration.
High-Speed Capability: The phenolic resin cage provides excellent strength-to-weight ratio and smooth guidance at extreme speeds up to 71,500 rpm, while the 15° contact angle optimizes axial load capacity without compromising radial performance.
Enhanced Load Capacity: With a dynamic load rating of 5,445 lbf and static load rating of 3,600 lbf, this bearing delivers reliable performance under combined loading conditions typical in precision applications.
7206 CDGA/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring precision and thermal stability
- Precision Robotics: Joint and arm mechanisms demanding high accuracy and speed
- Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
- Medical Equipment: Dental handpieces, surgical tools, and imaging systems
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
- High-Speed Motors: Spindle drives and precision servo applications
