71926 ACD/P4ADGB
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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71926 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 71926 ACD/P4ADGB is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in light preload (Class B), it enables flexible mounting arrangements while maintaining optimal performance. Its 25° contact angle provides superior capability to handle combined radial and axial loads simultaneously, making it ideal for high-speed, high-precision applications where reliability is critical.
71926 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | 25° Contact Angle, Universal Matchable | Optimized for combined loads and flexible mounting configurations |
| P4A | High Precision Tolerance Class | Exceptional running accuracy and dimensional stability |
| DGB | Light Preload (Class B), Universal Match | Reduced deflection, improved stiffness, and simplified installation |
71926 ACD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double-row angular contact design with 25° contact angle provides superior stiffness characteristics, enabling the bearing to handle significant combined radial and axial loads while maintaining precision alignment.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional controls (bore: -0.004mm to 0, OD: -0.004mm to 0), this bearing ensures exceptional running accuracy and minimal vibration for demanding applications.
High-Speed Capability: The phenolic cage material combined with optimized internal geometry allows for excellent high-speed performance up to 7,500 rpm, making it suitable for precision spindles and rotating systems.
Material Excellence: Constructed from chrome steel for both rings and balls, the bearing offers superior fatigue resistance and durability under demanding operating conditions.
71926 ACD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Gearboxes - Industrial transmission systems requiring high accuracy
- High-Speed Motors - Electric motors and servo drives demanding minimal runout
- Medical Equipment - CT scanners, dental drills, and laboratory instrumentation
- Aerospace Systems - Flight control mechanisms and auxiliary power units
- Robotics & Automation - Precision robotic joints and positioning systems
