7007 CDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7007 CDGA/P4A Bearing Product Overview & Core Advantages
The 7007 CDGA/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered to accommodate combined loads, it efficiently handles both radial loads and substantial axial loads in one direction. Its extra light preload (Class A) ensures minimal deflection and smooth operation, making it ideal for high-speed spindles and precision machinery. Manufactured to P4A tolerance class, this bearing guarantees superior dimensional stability and rotational accuracy, providing reliable performance in critical applications.
7007 CDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7007 | Standard bearing series with 35mm bore diameter |
| C | 15° contact angle design |
| DG | Universal matching designation |
| A | Extra light preload classification |
| P4A | High precision tolerance class with enhanced running accuracy |
7007 CDGA/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: The 7007 CDGA/P4A features chrome steel rings and balls with phenolic resin cage, providing excellent dimensional stability and reduced weight for high-speed operation up to 56,000 rpm.
Optimized Load Capacity: With a 15° contact angle and 16 precision balls of 7.938mm diameter, this bearing delivers superior radial dynamic load rating of 3510 lbf and static load rating of 2138 lbf, ensuring reliable performance under combined loading conditions.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be supplied in matched sets of 3, allowing for precise preload control and optimal stiffness in multi-bearing arrangements.
High-Speed Performance: The phenolic cage and optimized internal geometry contribute to reduced friction and heat generation, enabling stable operation at limiting speeds while maintaining precision.
7007 CDGA/P4A Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed motor shafts and precision gearboxes
- Medical equipment requiring exceptional accuracy and reliability
- Aerospace components and navigation systems
- Robotics and automation systems with demanding precision requirements
- Optical instruments and measuring equipment
