71916 ACDGC/P4A
71900 Series Super Precision Angular Contact Ball Bearings
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71916 ACDGC/P4A Bearing Product Overview & Core Advantages
The 71916 ACDGC/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single bearing with universal matching capability (SU designation), it enables optimized preload configurations when mounted with other identical bearings. Its P4A tolerance class ensures superior dimensional and running accuracy, making it ideal for high-speed spindles and precision machinery. The bearing features a 25° contact angle and moderate preload (Class C), providing excellent performance under combined radial and axial loads while maintaining operational stability.
71916 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71916 | Basic bearing series designation |
| AC | Angular Contact design |
| D | High ball complement and optimized internal geometry |
| GC | Moderate preload (Class C) |
| P4A | High precision tolerance class exceeding ABEC 7 standards |
71916 ACDGC/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and running precision for high-speed applications.
Optimized Internal Design: Features 27 high-grade chrome steel balls with 9.525mm diameter arranged in a high-density configuration, significantly enhancing load carrying capacity and rigidity.
Advanced Cage Technology: The phenolic resin cage provides excellent dimensional stability at high speeds while reducing friction and wear, contributing to the bearing's limiting speed of 17,000 rpm.
Superior Load Capacity: With radial dynamic load rating of 7762 lbf and static load rating of 8212 lbf, the bearing delivers reliable performance under demanding combined loading conditions.
Universal Matching Capability: Designed as part of a 3-bearing matched set (SU designation), allowing for precise preload control and optimal performance in multi-bearing arrangements.
71916 ACDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and precision lathes
- Precision Instrumentation: Measuring equipment, optical instruments, and laboratory apparatus
- High-Speed Automation: Robotics, CNC machinery, and automated production equipment
- Aerospace Components: Gyroscopes, navigation systems, and aircraft control mechanisms
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
