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The 71905 ACD/P4ADGB is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for light preload applications, offering smooth operation at speeds up to 53,000 RPM.
With a dynamic radial load capacity of 2340 lbf, this bearing is built to handle demanding angular contact loads. Its open design and phenolic cage ensure durability and easy maintenance, while the universal matching allows flexible arrangements like back-to-back or face-to-face.
Ideal for high-precision machinery such as CNC spindles or dental equipment, this bearing excels in applications requiring tight tolerances. It comes lubricated for immediate use and operates efficiently in temperatures from -30°C to 110°C.
Weighing just 0.084kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacements. Compliant with P4A tolerance class, it ensures reliable performance in critical setups.
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How Does 71905 ACD/P4ADGB Bearing Achieve Super Precision?
71905 ACD/P4ADGB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability while maintaining tight tolerances for smooth operation.
The phenolic cage design minimises friction, allowing speeds up to 53,000 rpm without compromising performance.
With universal matching capability, it supports various configurations like back-to-back or face-to-face mounting.
Its P4A tolerance class guarantees consistent accuracy, ideal for demanding machinery.
The light preload (Class B) further enhances stability and reduces vibration during operation.
Common Applications of 71905 ACD/P4ADGB Bearing
71905 ACD/P4ADGB Bearing is widely used in machine tools, where its super precision and angular contact design ensure accurate spindle performance. The light preload and universal matching make it adaptable for various configurations.
In robotics, 71905 ACD/P4ADGB Bearing supports articulated arms, providing smooth motion and high-speed capability. Its phenolic cage reduces friction, enhancing efficiency in automated systems.
For medical imaging devices, 71905 ACD/P4ADGB Bearing offers reliable operation due to its chrome steel construction and P4A tolerance class. The open design allows for easy lubrication, maintaining performance in critical applications.
Automotive applications like electric motor shafts benefit from 71905 ACD/P4ADGB Bearing’s dynamic radial load capacity. Its metric sizing ensures compatibility with a range of European and Asian automotive designs.
In aerospace systems, 71905 ACD/P4ADGB Bearing handles high-speed rotations with stability, thanks to its precision engineering. The temperature range suits both ground and flight conditions.
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