71900 ACE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
71900 ACE/HCP4ADGA Bearing Product Overview & Core Advantages
The 71900 ACE/HCP4ADGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing features a ceramic ball construction and P4A super-precision tolerance, making it ideal for high-speed spindle systems and precision machinery. Its 25° contact angle provides optimal performance for combined radial and axial loads, while the phenolic cage ensures smooth operation at limiting speeds up to 165,000 rpm.
71900 ACE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACE | 25° contact angle, universal matchable | Optimized for combined loads and high-speed operation |
| HC | Hybrid ceramic construction | Reduced friction, higher speed capability, longer service life |
| P4A | Super precision tolerance class | Exceptional running accuracy and minimal vibration |
| DGA | Extra light preload (Class A) | Minimal friction, ideal for high-speed applications |
71900 ACE/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls significantly reduces friction and heat generation, enabling higher operating speeds and extended service life. The 11 ceramic balls with 3.175 mm diameter provide excellent load distribution and minimal thermal expansion.
Phenolic Cage Technology: The phenolic resin cage offers superior strength-to-weight ratio and excellent dimensional stability at high speeds, contributing to the bearing's exceptional high-speed performance and smooth operation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore: -0.004mm to 0, OD: -0.004mm to 0), this bearing ensures precise running accuracy and minimal vibration in critical applications.
Universal Matching Capability: As an SU universal matchable bearing, it can be paired with identical bearings in various configurations (DB, DF, DT) to achieve specific stiffness and load capacity requirements.
71900 ACE/HCP4ADGA Bearing Typical Application Areas
- High-speed machine tool spindles and CNC machining centers
- Precision grinding spindles and dental equipment
- Semiconductor manufacturing equipment and wafer handling systems
- Aerospace instrumentation and navigation systems
- High-frequency motor spindles and robotics applications
- Medical device components requiring ultra-precise rotation
