71914 ACDG/P4AG29
71900 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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71914 ACDG/P4AG29 Bearing Product Overview & Core Advantages
The 71914 ACDG/P4AG29 is a single-row angular contact ball bearing designed for applications requiring high precision and superior rigidity. Engineered to accommodate combined loads (radial and axial loads in one direction), this bearing features a 25° contact angle for optimal axial load capacity. Manufactured to P4A tolerance class, it delivers exceptional running accuracy and dimensional stability, making it ideal for high-speed spindle applications and precision machinery where rigid support and minimal deflection are critical.
71914 ACDG/P4AG29 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing series designation |
| AC | Angular Contact design with 25° contact angle |
| DG | Universal Matchable (SU) bearing - can be paired in any combination |
| P4A | High precision tolerance class (equivalent to ABEC 7) |
| G29 | Preload designation indicating specific internal clearance |
71914 ACDG/P4AG29 Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with tight dimensional control (bore diameter tolerance: -0.004mm to 0), ensuring exceptional running accuracy and minimal vibration.
Optimized Load Capacity: The 25° contact angle provides superior axial load capacity while maintaining excellent radial load performance, making it ideal for combined load applications.
High-Speed Performance: Features a phenolic cage that reduces friction and enables operation at limiting speeds up to 29,000 rpm, suitable for demanding high-speed applications.
Universal Matching Capability: The Universal Matchable (SU) design allows for flexible bearing arrangements when mounted in pairs, providing preload options for enhanced system rigidity.
Premium Material Selection: Constructed from chrome steel for both rings and balls, offering excellent wear resistance and durability under demanding operating conditions.
71914 ACDG/P4AG29 Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Motors - Spindle motors and high-RPM electric motors
- Aerospace Components - Guidance systems and aircraft instrumentation
- Medical Equipment - Dental handpieces and surgical tool drives
- Robotics - Precision joint mechanisms and automation equipment
