7206 CD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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7206 CD/HCP4ADGA Bearing Product Overview & Core Advantages
The 7206 CD/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing is designed to accommodate combined loads—simultaneously handling radial and axial forces—making it ideal for high-rigidity, high-speed systems. Its P4A tolerance class ensures superior running accuracy, while the ceramic balls and phenolic cage contribute to reduced friction, higher limiting speeds, and extended service life. Preloaded for extra-light operation, this bearing delivers optimal performance in precision machinery.
7206 CD/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7206 | Basic bearing designation: 30 mm bore, 62 mm OD, 32 mm width |
| CD | 15° contact angle design optimized for high-speed operation |
| HC | Hybrid ceramic construction with ceramic balls and steel rings |
| P4A | Ultra-precision tolerance class for exceptional running accuracy |
| DGA | Universal matchable (SU) designation allowing flexible bearing arrangements |
7206 CD/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls significantly reduces friction, heat generation, and wear, enabling higher limiting speeds (100,500 rpm) and extended service life in demanding conditions.
Phenolic Cage Construction: The lightweight phenolic cage provides excellent dimensional stability at high speeds, contributing to smooth operation and reduced vibration in precision applications.
Universal Matchable Design: As an SU-type bearing, the 7206 CD/HCP4ADGA can be universally matched with other bearings of the same designation, allowing for flexible mounting arrangements and simplified inventory management.
High Rigidity & Load Capacity: With a 15° contact angle and optimized internal geometry, this bearing delivers superior stiffness and can handle significant combined radial and axial loads (dynamic: 8,932 lbf, static: 7,200 lbf).
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), ensuring consistent high-performance operation in the most demanding applications.
7206 CD/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding equipment
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Aerospace Systems: Guidance systems, flight control mechanisms, and auxiliary power units
- Semiconductor Manufacturing: Wafer handling robots, precision positioning stages
- High-Speed Motors: Servo motors, spindle motors, and other high-RPM applications
- Precision Instruments: Measuring devices, optical equipment, and laboratory instruments
