7006 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7006 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7006 CE/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 significant radial and axial loads in one direction. Its extra light preload (Class A) ensures minimal deflection and smooth operation, making it ideal for high-speed spindles and precision machinery. The combination of a ceramic ball material and P4A tolerance class delivers superior running accuracy, low heat generation, and extended service life in high-rotation environments.
7006 CE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CE | 15° Contact Angle | Optimized for high-speed operation with balanced axial and radial load capacity. |
| HC | Hybrid Ceramic (Silicon Nitride Balls) | Reduced friction, lower operating temperature, and extended lubrication life. |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability for precision applications. |
| DGA | Universal Matchable (SU) Designation | Can be mounted in tandem, back-to-back, or face-to-face arrangements without selective matching. |
7006 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of silicon nitride (Si3N4) ceramic balls with a chrome steel ring provides significant advantages including 60% lower density than steel, reducing centrifugal forces and enabling higher limiting speeds (100,500 rpm). This construction also offers superior electrical resistance and minimal thermal expansion.
Phenolic Resin Cage: The lightweight phenolic cage ensures excellent dimensional stability at high speeds and provides superior guidance for the ceramic balls, contributing to smooth operation and reduced vibration.
Precision Engineering: Manufactured to P4A tolerance class with extremely tight dimensional controls (bore and OD tolerance: -0.004mm to 0), this bearing delivers exceptional running accuracy and rotational precision for applications requiring minimal runout.
Universal Matching Capability: As an SU designation bearing, the 7006 CE/HCP4ADGA can be universally matched in any combination (back-to-back, face-to-face, or tandem) without additional selection, simplifying installation and ensuring optimal preload characteristics in multi-bearing arrangements.
7006 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 laboratory instrumentation
- Aerospace Systems: Gyroscopes, navigation instruments, and auxiliary power units
- High-Speed Motors: Industrial spindles, robotics, and automation equipment
- Semiconductor Manufacturing: Wafer handling robots, precision positioning stages
