7006 CDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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7006 CDGA/P4A Bearing Product Overview & Core Advantages
The 7006 CDGA/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class with Extra Light (Class A) preload, this bearing delivers superior running accuracy and minimal deflection under load. Its 15° contact angle optimally handles combined radial and axial loads in one direction, making it ideal for high-speed spindles and precision machinery where rigid support and minimal thermal expansion are critical.
7006 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7006 | Basic bearing series with 30mm bore, 55mm OD, 13mm width |
| C | 15° contact angle design |
| DG | Universal matching designation (can be paired in any combination) |
| A | Extra Light preload (Class A) |
| P4A | High precision tolerance class exceeding ABEC 7 standards |
7006 CDGA/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: The P4A tolerance class ensures minimal runout and vibration for superior positioning accuracy in demanding applications.
Optimized Preload: Class A preload provides consistent stiffness while minimizing heat generation at high speeds up to 100,500 rpm.
Advanced Materials: Phenolic resin cage offers excellent strength-to-weight ratio and smooth operation at high rotational speeds.
Universal Matching Capability: Designed as Universal Matchable (SU) bearings, allowing flexible arrangement in sets of 3 for optimized preload and stiffness configurations.
Premium Components: Manufactured from chrome steel rings and balls with precisely calculated ball diameter (7.938mm) and 14-ball configuration for optimal load distribution.
7006 CDGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers
- Precision Robotics: Joint and transmission systems requiring minimal backlash
- Medical Equipment: Dental handpieces, surgical tools, and imaging systems
- Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
- High-Speed Motors: Spindle motors and servo drives demanding exceptional rotational accuracy
