7009 CD/P4ADGC
7000 Series Super Precision Angular Contact Ball Bearings
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7009 CD/P4ADGC Bearing Product Overview & Core Advantages
The 7009 CD/P4ADGC is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This universal matchable (SU) bearing features a 15° contact angle and moderate preload (Class C), making it ideal for handling combined radial and axial loads simultaneously. Manufactured to P4A tolerance class, it delivers superior running accuracy and is supplied pre-lubricated for immediate use, ensuring high reliability in high-speed precision machinery.
7009 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| C | 15° contact angle design |
| D | Moderate preload (Class C) |
| P4A | High precision tolerance class |
| DG | Universal matchable (SU) pairing designation |
| C (in cage) | Phenolic resin cage material |
7009 CD/P4ADGC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The optimized angular contact design with 15° contact angle provides excellent stiffness and enables the bearing to handle significant combined loads. With a dynamic load rating of 10,530 lbf and static load rating of 10,125 lbf, it offers reliable performance under demanding operating conditions.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional tolerances (bore: -0.004mm to 0, OD: -0.004mm to 0), this bearing ensures minimal runout and vibration, critical for high-precision applications.
High-Speed Capability: The phenolic resin cage and optimized internal geometry allow for a limiting speed of 46,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Design: As a universal matchable (SU) bearing, it can be paired in any combination without pre-load adjustment, simplifying installation and maintenance in back-to-back or face-to-face arrangements.
7009 CD/P4ADGC Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- High-Speed Spindles - CNC machining centers and precision grinding equipment
- Precision Instrumentation - Measuring equipment and optical instruments
- Robotic Systems - Industrial robot arms and precision positioning systems
- Medical Equipment - Dental handpieces and medical imaging devices
