S7009 ACDTP/P4B
Sealed Super Precision Angular Contact Ball Bearings
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S7009 ACDTP/P4B Bearing Product Overview & Core Advantages
The S7009 ACDTP/P4B is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it delivers superior running accuracy. Its key advantage lies in its ability to accommodate combined loads—simultaneously handling significant radial and axial loads in one direction. The bearing is preloaded and comes pre-lubricated, ensuring immediate high performance, high stiffness, and long service life in high-speed operations, making it an ideal choice for precision spindles and machinery.
S7009 ACDTP/P4B Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7009 | Basic bearing series designation, indicating a metric, angular contact design. |
| AC | Angular Contact design with a 25° contact angle. |
| DTP | Indicates a duplex arrangement (likely back-to-back or face-to-face) that is preloaded. |
| P4B | Specifies the tolerance class P4 (ABEC-7), denoting very high precision. The "B" may indicate specific internal clearance or preload. |
S7009 ACDTP/P4B Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to a P4 tolerance class with a 25° contact angle and preload, this bearing provides exceptional system stiffness and minimizes deflection under load, which is critical for maintaining accuracy.
- Superior Load Capacity: The angular contact design is optimized to handle combined radial and axial loads efficiently. With a dynamic load rating of 6210 lbf and a static load rating of 4860 lbf, it offers reliable performance under strenuous conditions.
- High-Speed Capability: The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 17,000 rpm, reducing centrifugal forces and allowing for smooth operation at high velocities.
- Durability and Reliability: Constructed from chrome steel for both rings and balls, the bearing ensures high wear resistance and longevity. Being sealed and pre-lubricated, it is protected from contamination and is ready for immediate use.
S7009 ACDTP/P4B Bearing Typical Application Areas
The S7009 ACDTP/P4B is ideally suited for high-precision, high-speed machinery where accuracy and rigidity are paramount. Key applications include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Robotic Drives and Actuators
- Medical and Dental Equipment Spindles
