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The 71904 CD/P4ADGB is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for light preload applications, offering smooth operation at speeds up to 80,000 RPM.
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. The bearing handles dynamic radial loads up to 2194 lbf and static loads up to 1440 lbf.
Ideal for high-precision machinery like spindles or CNC equipment, it performs reliably in temperatures from -30°C to 110°C. Weighing just 0.07kg, it’s lightweight yet robust for its size.
This model is interchangeable with SKF bearings, making it a versatile choice for replacements or upgrades in demanding applications.
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Performance Features of 71904 CD/P4ADGB Bearing
71904 CD/P4ADGB Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its universal matching arrangement allows for flexible installation in back-to-back, face-to-face, or tandem configurations.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a maximum speed of 80,000 rpm, it excels in high-speed applications.
Precision-engineered to P4A tolerance class, 71904 CD/P4ADGB Bearing offers reliable performance in demanding conditions.
Its light preload (Class B) ensures smooth operation and extended service life.
The open design allows for easy lubrication, maintaining optimal performance.
Weighing just 0.07 kg, it combines strength with lightweight efficiency.
Industrial Uses of 71904 CD/P4ADGB Bearing
This bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.
In automotive applications, 71904 CD/P4ADGB Bearing supports components like electric motor shafts, thanks to its angular contact design. The phenolic cage reduces friction, making it suitable for high-RPM scenarios.
For automation systems, 71904 CD/P4ADGB Bearing excels in robotic arms due to its P4A tolerance class. The chrome steel construction provides durability in continuous operation environments.
Medical imaging devices benefit from 71904 CD/P4ADGB Bearing’s low vibration and high-speed capabilities. Its open design simplifies lubrication maintenance in sensitive equipment.
In consumer electronics, this bearing is found in precision printers where quiet operation is essential. The metric sizing ensures compatibility with compact European and Asian designs.
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