7007 CD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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7007 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7007 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing delivers superior running precision and dimensional stability. Its universal matchable (SU) design allows for flexible mounting arrangements in pairs, enabling optimal performance under combined radial and axial loads. With a 15° contact angle and extra light preload (Class A), it is engineered for high-speed operation while maintaining minimal friction and heat generation.
7007 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CD | 15° contact angle with optimized internal design | Enhanced high-speed capability and load distribution |
| P4A | High precision tolerance class | Superior running accuracy and dimensional stability |
| DGA | Universal matchable bearing (SU designation) | Flexible mounting in pairs for optimal preload control |
7007 CD/P4ADGA Bearing Structural Features & Performance Benefits
High-Speed Performance: The phenolic cage and optimized 15° contact angle enable exceptional rotational speeds up to 56,000 rpm, while the extra light preload minimizes friction and heat generation.
Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional controls (bore and OD tolerance: -0.004mm to 0), ensuring consistent high-precision performance in demanding applications.
Superior Load Capacity: With a dynamic radial load rating of 5738 lbf and static radial load rating of 4275 lbf, this bearing effectively handles combined loads while maintaining operational stability.
Optimized Internal Design: Features 16 precision chrome steel balls with 7.938 mm diameter, arranged to provide balanced load distribution and smooth operation under high-speed conditions.
7007 CD/P4ADGA Bearing Typical Application Areas
- Machine tool spindles requiring high precision and speed
- High-speed machining centers and precision grinding equipment
- Medical equipment and dental handpieces
- Aerospace components and instrumentation systems
- Robotic joints and precision automation systems
- High-frequency spindles for PCB drilling and milling
