71910 ACD/P4ATBTC
71900 Series Super Precision Angular Contact Ball Bearings
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71910 ACD/P4ATBTC Bearing Product Overview & Core Advantages
The 71910 ACD/P4ATBTC is a precision angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This triplex back-to-back matched set delivers superior performance in handling combined loads (radial and axial) simultaneously. Manufactured to P4A tolerance class, it ensures minimal runout and vibration, making it ideal for high-speed, high-precision machinery. The phenolic cage and optimized 25° contact angle contribute to its outstanding high-speed capability and smooth operation.
71910 ACD/P4ATBTC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with 25° contact angle |
| P4A | High precision tolerance class (superior to ABEC 7) |
| TBT | Triplex Back-to-Back arrangement (3 bearings matched set) |
| C | Moderate preload class for optimal stiffness |
71910 ACD/P4ATBTC Bearing Structural Features & Performance Benefits
Enhanced Rigidity: The triplex back-to-back configuration creates an extremely rigid bearing system that minimizes deflection under heavy combined loads, ensuring precise shaft positioning and reduced vibration.
Superior Load Capacity: With a radial dynamic load rating of 6210 lbf and static load rating of 6750 lbf, this bearing set handles significant radial and axial loads simultaneously, thanks to the optimized 25° contact angle.
High-Speed Performance: The phenolic cage and precision ground components enable operation at limiting speeds up to 46,000 rpm, making it suitable for high-speed spindles and rotating equipment.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional tolerances (bore: -0.004mm to 0, OD: -0.004mm to 0), this bearing ensures minimal runout and consistent performance in precision applications.
71910 ACD/P4ATBTC Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Rotary Tables - Indexing and positioning systems requiring high accuracy
- High-Speed Motors - Electric spindles and servo motors
- Aerospace Components - Gyroscopes and navigation systems
- Medical Equipment - Dental handpieces and surgical tools
- Robotics - Precision joints and rotary actuators
