7005 CD/P4ADGC
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
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7005 CD/P4ADGC Bearing Product Overview & Core Advantages
The 7005 CD/P4ADGC is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Operating under the stringent P4A tolerance class, this bearing is universally matchable (SU), allowing two bearings to be paired in any combination to achieve optimal preload and performance. Its 15° contact angle is engineered to efficiently handle combined loads, supporting significant radial forces alongside thrust loads in one direction. The phenolic cage and precision-ground components contribute to its suitability for high-speed operation, making it an ideal choice for high-performance machinery where reliability and precision are paramount.
7005 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
- 7005: Basic series designation (25mm bore, 47mm OD).
- C: Denotes a 15° contact angle.
- D: Indicates the bearing is supplied as a universally matchable (SU) pair.
- P4A: Specifies the tolerance class, indicating very high dimensional and running accuracy.
- DGC: Signifies a Moderate preload (Class C) is applied to the matched set.
7005 CD/P4ADGC Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The universal matching (SU) design of two bearings enables a preloaded arrangement that significantly increases system stiffness. This configuration is exceptionally effective at managing combined loads and moment loads, ensuring stable operation under demanding conditions.
High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, reduces friction, and allows for a high limiting speed. The optimized internal geometry, including the 15° contact angle and precision ball diameter of 6.35mm, further enhances high-speed capability.
Precision and Longevity: Manufactured to P4A tolerance class from chrome steel, the bearing guarantees minimal runout and consistent performance. The factory-applied lubrication ensures immediate readiness and reliable operation within a broad temperature range from -30°C to 110°C.
7005 CD/P4ADGC Bearing Typical Application Areas
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
