7003 CD/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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7003 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7003 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing offers superior dimensional stability and running accuracy. Its universal matchable (SU) design allows for flexible mounting in various configurations, while the extra light preload (Class A) ensures smooth operation with minimal friction. This bearing is engineered to handle combined loads efficiently, making it an ideal choice for high-reliability machinery.
7003 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7003 | Basic bearing series designation |
| CD | 15° contact angle design |
| P4A | High precision tolerance class |
| DGA | Universal matchable pair designation |
7003 CD/P4ADGA Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance standards with tight dimensional controls (bore diameter tolerance: -0.004mm to 0) ensuring exceptional running accuracy and minimal vibration.
Optimized Load Capacity: The 15° contact angle design enables efficient handling of combined radial and axial loads, with a dynamic load rating of 2498 lbf and static load rating of 1474 lbf.
Superior High-Speed Performance: Featuring a phenolic cage and optimized internal geometry, this bearing achieves a limiting speed of 121,000 rpm, making it suitable for high-speed applications.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability under demanding operating conditions.
7003 CD/P4ADGA Bearing Typical Application Areas
The 7003 CD/P4ADGA precision angular contact ball bearing is ideally suited for:
- Machine tool spindles and high-precision machining centers
- High-speed motors and precision gearboxes
- Medical equipment and laboratory instruments
- Aerospace components and navigation systems
- Robotics and automation systems requiring high positional accuracy
