71810 ACD/P4DBCVT105F2
71800 Series Super Precision Angular Contact Ball 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
71810 ACD/P4DBCVT105F2 Bearing Product Overview & Core Advantages
The 71810 ACD/P4DBCVT105F2 is a precision angular contact ball bearing designed for demanding applications requiring high rigidity and exceptional running accuracy. This matched duplex set features a back-to-back (DB) arrangement and a moderate preload (Class C), enabling it to simultaneously withstand combined loads (radial and axial) from both directions. Its compact design, phenolic cage, and optimized internal geometry make it an ideal solution for high-speed spindles and other precision machinery where high rigidity and operational reliability are paramount.
71810 ACD/P4DBCVT105F2 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 71810 | Basic bearing designation | Defines the core dimensions: 50mm bore, 65mm OD, 14mm width. |
| AC | Angular Contact | Optimized for combined radial and axial loads with a 25° contact angle. |
| D | Duplex / Matched Set | Two bearings are precision-matched as a set for paired mounting. |
| P4 | Tolerance Class | Indicates very high precision levels for running accuracy and dimensional stability. |
| DB | Back-to-Back Arrangement | Provides high moment rigidity and stable operation under complex loads. |
| CVT105F2 | Preload Designation | Specifies a moderate preload (Class C) for optimal stiffness without excessive heat generation. |
71810 ACD/P4DBCVT105F2 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a wide effective spread between load centers, significantly increasing the bearing set's resistance to moment loads and providing exceptional system rigidity. The 25° contact angle is optimized to handle substantial combined radial and axial loads.
High-Speed Performance: The lightweight phenolic cage ensures excellent dimensional stability and low friction at high rotational speeds, contributing to the bearing's high limiting speed of 41,000 rpm. The open design facilitates efficient lubrication management.
Precision & Accuracy: Manufactured to P4 tolerance class, this bearing guarantees minimal runout and superior rotational accuracy. The moderate preload eliminates internal clearance, ensuring precise shaft positioning and reduced vibration under operational conditions.
Material & Construction: Manufactured from high-grade chrome steel for both rings and balls, ensuring high durability and long service life under demanding operating conditions.
71810 ACD/P4DBCVT105F2 Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines.
- Precision Rotary Systems: High-frequency motors, precision spindles, and rotary tables.
- Industrial Pumps & Compressors: Applications requiring high-speed rotation and axial load capacity.
- Medical & Laboratory Equipment: Centrifuges and other precision instruments demanding high rotational accuracy.
