7000 CD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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7000 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7000 CD/P4ADGA is a precision angular contact ball bearing manufactured to P4A tolerance class standards. Engineered for applications requiring exceptional rotational accuracy and high-speed capability, this bearing features an extra light preload (Class A) and universal matchable (SU) design, enabling flexible mounting arrangements. Its optimized 15° contact angle provides superior performance in handling combined radial and axial loads simultaneously, making it ideal for high-precision machinery where rigidity and minimal deflection are critical.
7000 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Significance |
|---|---|---|
| CD | 15° contact angle design | Optimized for combined load capacity and high-speed operation |
| P4A | High precision tolerance class | Superior dimensional accuracy and running precision for critical applications |
| DGA | Universal matchable bearing set | Enables flexible mounting configurations without pre-load adjustment |
7000 CD/P4ADGA Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and minimal vibration.
Optimized Load Capacity: The 15° contact angle and 9-ball configuration with 4.762mm diameter balls provides excellent combined radial and axial load handling, with dynamic load rating of 1492 lbf and static load rating of 731 lbf.
High-Speed Performance: The phenolic cage material and optimized internal geometry enable a limiting speed of 185,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Capability: The SU designation allows for flexible bearing arrangements in pairs without requiring specific mounting positions, simplifying installation and maintenance.
7000 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Instrumentation - Measuring equipment and optical devices
- High-Speed Motors - Servo motors and spindle drives
- Medical Equipment - Dental handpieces and surgical tools
- Aerospace Components - Guidance systems and actuator mechanisms
