71917 ACD/P4AQGC
71900 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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71917 ACD/P4AQGC Bearing Product Overview & Core Advantages
The 71917 ACD/P4AQGC is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and rigidity. Operating under a Metric system, this bearing is distinguished by its Universal Matchable (SU) design, allowing for flexible arrangement in sets of four to handle complex load scenarios. Its optimized 25° contact angle and Moderate preload (Class C) ensure superior performance under combined radial and axial loads, making it ideal for high-speed, high-rigidity systems where precision is paramount.
71917 ACD/P4AQGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle, optimized for combined loads. |
| P4A | High precision tolerance class, ensuring minimal runout and superior rotational accuracy. |
| QGC | Indicates specific internal geometry and cage configuration for optimized performance. |
71917 ACD/P4AQGC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The angular contact design and Moderate preload provide exceptional stiffness, effectively managing both radial and axial forces. With a dynamic load rating of 25650 lbf and static load rating of 41175 lbf, it delivers reliable performance under significant combined loads.
Precision & Speed Performance: Manufactured to P4A tolerance class, this bearing ensures minimal vibration and high positional accuracy. The phenolic cage and optimized internal geometry contribute to a high limiting speed of 28,000 rpm, suitable for demanding high-speed applications.
Material & Lubrication: Constructed from chrome steel for both rings and balls, offering high durability and wear resistance. The bearing comes pre-lubricated and operates effectively within a temperature range of -30°C to 110°C.
71917 ACD/P4AQGC Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers requiring superior rigidity and accuracy.
- High-Speed Spindles: Applications in grinding, milling, and drilling where speed and precision are critical.
- Precision Instrumentation: Advanced measuring and testing equipment demanding minimal runout.
- Robotic Actuators: High-performance robotics requiring reliable, high-speed angular contact bearings.
