7001 CE/PA9ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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7001 CE/PA9ADGA Bearing Product Overview & Core Advantages
The 7001 CE/PA9ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As part of the Universal Matchable (SU) series, it is supplied in a set of two bearings that can be arranged in tandem, back-to-back, or face-to-face configurations to optimize performance for specific load conditions. Its extra light preload (Class A) and PA9A tolerance class ensure smooth, precise operation, making it ideal for high-speed spindles and other precision machinery. The bearing is pre-lubricated for immediate use and features a 15° contact angle, providing excellent performance for combined radial and axial loads.
7001 CE/PA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| C | Enhanced internal design for improved performance |
| E | Optimized internal geometry |
| PA9A | High precision tolerance class with bore and OD tolerance of -0.004mm to 0 |
| DGA | Universal Matchable (SU) bearing set designation |
7001 CE/PA9ADGA Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to PA9A tolerance class with extremely tight dimensional control (±0.004mm) on bore and outside diameter, ensuring consistent performance in precision applications.
Universal Matching Capability: As a Universal Matchable (SU) bearing supplied in pairs, it offers exceptional flexibility in mounting configurations to achieve optimal stiffness and load distribution.
High-Speed Performance: The phenolic cage provides excellent strength-to-weight ratio, contributing to stable operation at high rotational speeds up to 100,000 rpm.
Combined Load Capacity: With a 15° contact angle, this bearing efficiently handles both radial loads and substantial axial loads in one direction.
Precision Preload: The extra light preload (Class A) minimizes deflection while maintaining smooth operation, essential for applications requiring high positional accuracy.
7001 CE/PA9ADGA Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding applications
- Precision Instrumentation - Measuring devices and laboratory equipment requiring exceptional accuracy
- High-Speed Motors - Spindle motors and servo motors demanding precise rotational characteristics
- Medical Equipment - Dental handpieces and surgical tools where reliability and precision are critical
- Robotics - Joint mechanisms and precision positioning systems
