71913 ACD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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71913 ACD/HCP4ADGA Bearing Product Overview & Core Advantages
The 71913 ACD/HCP4ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing features a P4A tolerance class for superior dimensional stability and running accuracy. Its ceramic ball construction and phenolic cage enable outstanding high-speed capabilities up to 36,000 rpm, while the 25° contact angle provides optimal performance under combined radial and axial loads. The extra light preload (Class A) ensures smooth operation with minimal friction, making it ideal for high-precision, high-reliability applications.
71913 ACD/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71913 | Basic bearing series with 65mm bore, 90mm OD |
| ACD | 25° contact angle design |
| HC | Hybrid ceramic balls |
| P4A | High precision tolerance class |
| DGA | Universal matchable (SU) designation |
71913 ACD/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction and heat generation, enabling superior high-speed performance and extended service life.
Precision Engineering: Manufactured to P4A tolerance class standards, this bearing delivers exceptional running accuracy and dimensional stability for critical applications.
Optimized Load Capacity: The 25° contact angle provides excellent performance under combined radial and axial loads, while the phenolic cage ensures stable operation at high speeds.
Universal Matchability: As an SU universal matchable bearing, it can be paired with identical bearings in various configurations (DB, DF, DT) to meet specific application requirements without additional machining.
High-Speed Capability: The lightweight phenolic cage and ceramic balls contribute to a limiting speed of 36,000 rpm, making it suitable for demanding high-speed applications.
71913 ACD/HCP4ADGA Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed motors and spindle drives
- Precision instrumentation and measuring equipment
- Aerospace components and aviation systems
- Medical equipment and dental handpieces
- Robotics and automation systems
- Semiconductor manufacturing equipment
