7006 CB/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7006 CB/P4ADGA Bearing Product Overview & Core Advantages
The 7006 CB/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-loaded pair, it is engineered to handle combined loads—simultaneously supporting significant radial and axial loads. Its P4A tolerance class and extra light preload (Class A) ensure smooth, high-precision operation, making it ideal for high-speed spindles and other high-rigidity applications where minimal deflection is critical.
7006 CB/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CB | Specifies a 15° contact angle and universal matchable (SU) design. Two bearings can be paired in a back-to-back (DB) or face-to-face (DF) arrangement to optimize load distribution and system rigidity. |
| P4A | Denotes a high-precision tolerance class with enhanced running accuracy, including strict limits on bore, outer diameter, and width tolerances. |
| DGA | Indicates the bearing is lubricated and comes with a phenolic resin cage, which is lightweight and suitable for high-speed operation. |
7006 CB/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double-row angular contact design and universal matching capability allow the bearing set to withstand substantial combined radial and axial loads from both directions, providing superior system stability.
- High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the 15° contact angle and precision grinding contribute to a high limiting speed of 71,500 rpm, making it an excellent high-speed bearing.
- Precision Engineering: Manufactured to P4A tolerance class with extremely tight dimensional tolerances, this bearing ensures minimal runout and vibration for applications requiring the highest levels of accuracy.
- Optimized Material Selection: Constructed from chrome steel for both rings and balls, the bearing offers high durability and fatigue resistance under demanding operating conditions.
7006 CB/P4ADGA Bearing Typical Application Areas
The 7006 CB/P4ADGA is ideally suited for high-performance machinery where precision and speed are paramount. Key applications include:
- Machine Tool Spindles (e.g., CNC milling, grinding, and turning centers)
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
