71914 ACB/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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71914 ACB/HCP4ADGA Bearing Product Overview & Core Advantages
The 71914 ACB/HCP4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. This universal matchable bearing features a 25° contact angle and is manufactured to P4A tolerance class for superior running precision. Its ceramic ball construction and phenolic cage enable outstanding high-speed capabilities while maintaining dimensional stability across a wide temperature range (-30°C to 110°C). The bearing comes pre-lubricated and is specifically engineered to handle combined radial and axial loads with maximum reliability.
71914 ACB/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 71914 | Basic bearing designation | Standard size identification (70mm bore, 100mm OD, 32mm width) |
| ACB | Angular Contact Bearing | Optimized for combined radial and axial loads |
| HC | Hybrid Ceramic | Ceramic balls for reduced friction and higher speed capability |
| P4A | High Precision Tolerance Class | Exceptional running accuracy and dimensional stability |
| DGA | Universal Matchable (SU designation) | Can be mounted in various configurations (back-to-back, face-to-face, tandem) |
71914 ACB/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride ceramic balls provides superior performance characteristics including reduced friction, higher stiffness, and extended service life under demanding conditions.
Phenolic Cage Design: The phenolic resin cage offers excellent dimensional stability and low friction at high speeds, contributing to the bearing's impressive limiting speed of 28,000 rpm.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore tolerance: -0.004mm to 0), ensuring consistent performance and minimal runout in precision applications.
Universal Matching Capability: As a universal matchable bearing, it can be paired with identical bearings in various arrangements to create optimized bearing systems for specific load requirements.
High Load Capacity: With dynamic load rating of 4,770 lbf and static load rating of 5,310 lbf, this bearing delivers reliable performance under significant combined loads.
71914 ACB/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding applications
- Industrial Pumps: Chemical processing pumps and high-pressure fluid handling systems
- Precision Instruments: Measuring equipment and laboratory instrumentation requiring minimal vibration
- Aerospace Components: Guidance systems and auxiliary power units demanding high reliability
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
- High-Speed Motors: Spindle motors and servo drives requiring minimal runout and high stiffness
