71932 ACDGA/P4AL
71900 Series Super Precision Angular Contact Ball Bearings
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71932 ACDGA/P4AL Bearing Product Overview & Core Advantages
The 71932 ACDGA/P4AL is a single-row angular contact ball bearing designed for applications requiring ultra-high precision and exceptional rotational accuracy. Manufactured to P4A tolerance class, this bearing delivers superior dimensional stability and minimal runout. Its 25° contact angle provides optimal axial load capacity while maintaining excellent radial load handling. The phenolic cage ensures smooth operation at high speeds, making it ideal for precision spindles and other demanding applications where rigidity and thermal stability are critical.
71932 ACDGA/P4AL Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| AC | Angular Contact Design | Optimized for combined radial and axial loads |
| DGA | Universal Matchable (SU designation) | Enables precise bearing arrangements in sets of 3 |
| P4A | Ultra-Precision Tolerance Class | Exceptional dimensional accuracy and running precision |
| L | Light Preload | Reduced deflection and improved stiffness |
71932 ACDGA/P4AL Bearing Structural Features & Performance Benefits
Precision Engineering: The P4A tolerance class ensures minimal dimensional variation, providing consistent performance in high-precision applications. The 25° contact angle delivers superior axial load capacity while maintaining excellent radial load characteristics.
High-Speed Capability: The phenolic resin cage offers excellent strength-to-weight ratio and smooth operation at the limiting speed of 11,000 rpm. This material provides superior thermal stability and reduced friction compared to metal cages.
Load Capacity & Rigidity: With a dynamic load rating of 27,900 lbf and static load rating of 34,425 lbf, this bearing handles significant combined loads. The light preload (Class A) enhances system stiffness while minimizing heat generation.
Universal Matching: Designed as Universal Matchable (SU), these bearings can be supplied in precisely matched sets of 3, ensuring optimal load distribution and performance in multi-bearing arrangements.
71932 ACDGA/P4AL Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers requiring exceptional accuracy and rigidity
- Precision Instrumentation: Measuring equipment, optical systems, and laboratory instruments demanding minimal runout
- High-Speed Machining Centers: Applications requiring sustained operation at elevated speeds with thermal stability
- Robotic Systems: Precision joints and positioning mechanisms where accuracy and reliability are paramount
- Aerospace Components: Guidance systems and precision actuators requiring ultra-precise rotational elements
