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The 71904 CDGC/P4A is a super precision angular contact ball bearing with a compact 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1361 lbf and spins smoothly at speeds up to 100,000 RPM.
With a 15° contact angle and moderate preload, it offers excellent stability for high-speed applications. The phenolic cage ensures quiet operation and reduces friction.
This open-design bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. It’s universally matchable for back-to-back, face-to-face, or tandem arrangements.
Ideal for precision equipment like spindles or CNC machines where accuracy and speed matter. Weighing just 0.035kg, it’s lightweight yet robust for its size.
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How Does 71904 CDGC/P4A Bearing Achieve Super Precision?
71904 CDGC/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1361 lbf.
The phenolic cage maintains ball alignment, reducing friction and noise even at speeds up to 100,000 rpm.
With a P4A tolerance class, it delivers exceptional accuracy for demanding tasks.
71904 CDGC/P4A Bearing operates efficiently in temperatures from -30°C to 110°C, making it versatile for various environments.
Its moderate preload (Class C) ensures stable performance without excessive wear.
The open design allows for easy lubrication, extending the bearing’s service life.
At just 0.035 kg, it combines lightweight construction with reliable strength.
Common Applications of 71904 CDGC/P4A Bearing
71904 CDGC/P4A Bearing is widely used in high-speed machine tools, where its moderate preload and precision design ensure smooth operation. The open seal type allows for easy lubrication, extending its service life in demanding conditions.
In automotive applications, 71904 CDGC/P4A Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. The chrome steel construction provides durability under varying loads and speeds.
For robotics, 71904 CDGC/P4A Bearing offers reliable performance in articulated arms and joints, where precision is key. Its phenolic cage reduces friction, making it ideal for repetitive movements.
In medical imaging devices, 71904 CDGC/P4A Bearing’s high-speed capability ensures quiet and accurate operation. The P4A tolerance class guarantees consistent performance in critical applications.
Consumer electronics like high-end printers benefit from 71904 CDGC/P4A Bearing’s compact size and low noise. Its metric dimensions make it compatible with a range of European and Asian designs.
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