7011 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7011 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7011 CE/HCP4ADGA is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. This universal matchable (SU) bearing features a 15° contact angle and extra light preload (Class A), making it ideal for high-speed spindles and precision machinery. Its ceramic ball construction and P4A tolerance class ensure superior running accuracy, reduced heat generation, and extended service life in demanding operational environments.
7011 CE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CE | Hybrid Ceramic Balls | Reduced friction, higher speed capability, and electrical insulation |
| HC | Hybrid Ceramic Construction | Enhanced durability and thermal stability |
| P4A | High Precision Tolerance Class | Superior running accuracy and rotational precision |
| DGA | Universal Matchable (SU) Design | Flexible mounting arrangements and optimized preload |
7011 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls (Si3N4) provides significant advantages including reduced centrifugal forces, lower operating temperatures, and extended lubricant life. This construction enables higher limiting speeds (34,000 rpm) compared to all-steel equivalents.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore diameter tolerance: -0.004mm to 0), this bearing ensures minimal runout and vibration for precision applications.
Optimized Cage Design: The phenolic resin cage offers excellent strength-to-weight ratio, reduced friction, and compatibility with high-speed operation, contributing to the bearing's exceptional high-speed performance.
Universal Matching Capability: As an SU-type universal matchable bearing, the 7011 CE/HCP4ADGA can be mounted in various preload configurations (back-to-back, face-to-face, or tandem) without selective matching, simplifying installation and maintenance.
7011 CE/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines
- Precision Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
- Semiconductor Manufacturing: Wafer handling robots, precision positioning stages, and inspection equipment
- High-Speed Motors: Servo motors, spindle motors, and high-frequency generators
