71926 ACD/HCP4ATGB
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
71926 ACD/HCP4ATGB Bearing Product Overview & Core Advantages
The 71926 ACD/HCP4ATGB is a precision angular contact ball bearing engineered for applications demanding exceptional accuracy and high-speed performance. This universally matchable (SU) bearing is designed to accommodate combined loads, including significant radial and axial loads in one direction, making it ideal for high-rigidity spindle configurations. Its P4A tolerance class ensures ultra-precision operation, while the ceramic balls and phenolic cage contribute to reduced friction, higher limiting speeds, and extended service life in demanding environments.
71926 ACD/HCP4ATGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71926 | Basic bearing series and size designation |
| ACD | 25° contact angle design, optimized for high axial load capacity |
| HC | Hybrid Ceramic construction (steel rings with ceramic balls) |
| P4A | Ultra-precision tolerance class, superior to ABEC 7 |
| TGB | Precision ground bearing components |
71926 ACD/HCP4ATGB Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls significantly reduces centrifugal forces, enabling higher limiting speeds (11,000 rpm). This construction also provides superior electrical resistance and reduced thermal expansion.
High Rigidity & Load Capacity: With a 25° contact angle and optimized internal geometry, this bearing delivers exceptional stiffness and can handle both substantial radial loads (41,850 lbf dynamic) and axial loads simultaneously.
Precision Performance: The P4A tolerance class ensures minimal runout and vibration, critical for applications requiring extreme rotational accuracy. The phenolic cage offers excellent dimensional stability at high speeds while reducing weight and friction.
Universal Matching Capability: As an SU-type universally matchable bearing, multiple bearings can be preloaded against each other in various configurations (DB, DF, DT) without selective matching, simplifying installation and maintenance.
71926 ACD/HCP4ATGB Bearing Typical Application Areas
The 71926 ACD/HCP4ATGB is particularly suited for high-performance applications including:
- Machine Tool Spindles: High-speed machining centers, grinding spindles
- Precision Robotics: Robotic arm joints, CNC rotary tables
- Aerospace Systems: Gyroscopes, navigation instruments
- Medical Equipment: Dental handpieces, surgical drill motors
- High-Speed Motors: Electric vehicle motors, industrial spindle motors
