7007 ACD/P4AQGC
7000 Series Super Precision Angular Contact Ball Bearings
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7007 ACD/P4AQGC Bearing Product Overview & Core Advantages
The 7007 ACD/P4AQGC is a precision angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. As a universal matchable (SU) bearing supplied in sets of four, it enables precise preload configuration for optimal performance. Its P4A tolerance class ensures superior dimensional and running accuracy, while the moderate preload (Class C) provides immediate stiffness upon installation. This bearing excels at handling combined radial and axial loads simultaneously, making it ideal for high-precision machinery requiring minimal deflection and maximum reliability.
7007 ACD/P4AQGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | 25° Contact Angle Design | Optimized for axial load capacity and moment load resistance |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability |
| QGC | Universal Matchable Set (4 bearings) | Enables precise preload configuration for optimal stiffness |
7007 ACD/P4AQGC Bearing Structural Features & Performance Benefits
High Rigidity Design: The 25° contact angle and universal matching capability allow for precise preload adjustment, delivering exceptional system stiffness that minimizes deflection under heavy combined loads.
Superior Load Capacity: Engineered to handle significant radial and axial loads simultaneously, with a dynamic load rating of 8932 lbf and static load rating of 8100 lbf, ensuring reliable performance in demanding applications.
High-Speed Performance: The phenolic cage and precision-ground components enable smooth operation at limiting speeds up to 56,000 rpm, making it suitable for high-speed applications.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore tolerance: -0.004mm to 0), ensuring consistent performance and interchangeability in precision assemblies.
7007 ACD/P4AQGC Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- Precision Instrumentation: Measuring equipment and optical devices
- High-Speed Robotics: Robot arm joints and precision positioning systems
- Aerospace Components: Guidance systems and aircraft instrumentation
- Medical Equipment: High-speed dental handpieces and surgical tools
