71914 ACE/P4A
71900 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
Ball & Washer Dimensions
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71914 ACE/P4A Bearing Product Overview & Core Advantages
The 71914 ACE/P4A is a single-row angular contact ball bearing designed for applications requiring high precision and exceptional rotational accuracy. Engineered to P4 (ABEC-7) tolerance class, this bearing excels at handling combined loads with its optimized 25° contact angle, providing superior axial load capacity in one direction while accommodating significant radial loads. Its phenolic resin cage and prelubricated design ensure reliable high-speed operation up to 26,000 rpm, making it ideal for precision machinery where space constraints and performance reliability are critical.
71914 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACE | 25° contact angle, high precision design | Optimized for combined radial and axial loads |
| P4A | P4 tolerance class (ABEC-7 equivalent) | Ultra-precise running accuracy for critical applications |
71914 ACE/P4A Bearing Structural Features & Performance Benefits
High-Precision Construction: Manufactured to P4 tolerance standards with chrome steel rings and balls for consistent performance and extended service life. The phenolic resin cage provides excellent dimensional stability and reduced friction at high speeds.
Optimized Load Capacity: The 25° contact angle enables efficient handling of combined loads, with dynamic radial load rating of 4,680 lbf and static radial load rating of 3,442 lbf. The bearing is available with preload options for enhanced rigidity in precision applications.
High-Speed Performance: The lightweight phenolic cage and precision-ground components allow operation at limiting speeds of 26,000 rpm, making it suitable for demanding high-speed applications.
Temperature Stability: Operating temperature range from -30°C to 110°C ensures reliable performance across various environmental conditions.
71914 ACE/P4A Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed spindles for grinding and milling applications
- Precision instruments and measuring equipment
- Robotic joints and automation systems
- Medical equipment requiring high rotational accuracy
- Aerospace components and navigation systems
