7211 CD/HCP4ADGC
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
7211 CD/HCP4ADGC Bearing Product Overview & Core Advantages
The 7211 CD/HCP4ADGC is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing features a 15° contact angle and moderate preload (Class C), enabling it to handle combined radial and axial loads simultaneously. Manufactured to P4A tolerance class, it delivers superior running accuracy and rotational stability. The combination of ceramic balls and phenolic cage contributes to its high-speed capability and reduced operational friction, making it ideal for high-reliability, precision machinery.
7211 CD/HCP4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Optimized internal design for high rigidity and precise operation |
| HC | Hybrid Ceramic construction with ceramic balls for enhanced performance |
| P4A | High precision tolerance class exceeding ABEC 7 standards |
| DGC | Specialized manufacturing process ensuring dimensional stability and reliability |
7211 CD/HCP4ADGC Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride ceramic balls significantly reduces friction, minimizes heat generation, and extends service life, particularly in high-speed applications.
Precision Phenolic Cage: The phenolic resin cage provides excellent dimensional stability at high rotational speeds, contributing to the bearing's limiting speed of 34,000 rpm while maintaining low vibration levels.
Universal Matching Capability: As a Universal Matchable (SU) bearing, it can be paired with another identical bearing in various configurations to handle complex load requirements without additional adjustments.
High Load Capacity: With a dynamic load rating of 20,340 lbf and static load rating of 19,125 lbf, this bearing delivers reliable performance under significant combined loads.
7211 CD/HCP4ADGC Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and CNC equipment requiring exceptional accuracy and high-speed performance
- High-Speed Motors: Electric motors and spindles where reduced friction and thermal stability are critical
- Aerospace Components: Guidance systems, actuators, and other precision mechanisms demanding reliability
- Medical Equipment: High-speed dental handpieces, surgical tools, and diagnostic imaging systems
- Robotics and Automation: Precision joints, rotary tables, and positioning systems requiring high rigidity and accuracy
