71816 ACDGB/P4
71800 Series Super Precision Angular Contact Ball Bearings
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71816 ACDGB/P4 Bearing Product Overview & Core Advantages
The 71816 ACDGB/P4 is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 tolerance class, this bearing delivers superior dimensional stability and running accuracy. Its 25° contact angle is optimized to handle significant axial loads in one direction while accommodating radial loads, making it ideal for high-speed spindle applications. The phenolic cage and universal matching capability (SU) enable optimal performance in precision arrangements.
71816 ACDGB/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71816 | Basic bearing designation with 80mm bore, 100mm OD, 10mm width |
| AC | Angular Contact design with 25° contact angle |
| DGB | Universal Matchable bearing (SU designation) for precision mounting arrangements |
| P4 | High precision tolerance class for exceptional running accuracy |
71816 ACDGB/P4 Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance standards with tight dimensional controls (bore tolerance: -0.004mm to 0) ensuring minimal runout and vibration in precision applications.
Optimized Load Capacity: The 25° contact angle provides excellent axial load carrying capacity in one direction while maintaining good radial load performance, with dynamic load rating of 3105 lbf and static load rating of 3825 lbf.
High-Speed Performance: The phenolic cage and optimized internal geometry enable operation at limiting speeds up to 28,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be mounted in various preload configurations (Light/Class B preload) to achieve optimal stiffness and running accuracy in multi-bearing arrangements.
71816 ACDGB/P4 Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- High-Speed Motors - Electric motor spindles requiring precision and speed
- Precision Instrumentation - Medical equipment and measuring devices
- Aerospace Components - Guidance systems and auxiliary power units
- Robotics - High-accuracy robotic arm joints and positioning systems
