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The 71904 ACE/HCP4AHDBC is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, designed for high-speed applications. It features a 25° contact angle and comes as a matched pair for balanced performance.
Made from chrome steel with ceramic balls, it handles radial loads up to 1712 lbf and spins smoothly at speeds up to 75,000 RPM. The phenolic cage ensures durability and reduces friction.
Its open design allows easy lubrication, while the P4A tolerance class guarantees precision. Ideal for machine tools or high-speed spindles where accuracy is key.
Weighing just 0.064kg, this bearing is lightweight yet robust. It operates in temperatures from -30°C to 110°C, making it versatile for various industrial uses.
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How Does 71904 ACE/HCP4AHDBC Bearing Reduce Friction?
71904 ACE/HCP4AHDBC Bearing features ceramic balls and chrome steel rings, significantly reducing friction during operation.
Its 25° contact angle ensures optimal load distribution, enhancing smoothness in high-speed applications.
The phenolic cage maintains ball alignment, further minimising wear and improving efficiency.
With a maximum speed of 75,000 rpm, it delivers reliable performance in precision tasks.
Industrial Uses of 71904 ACE/HCP4AHDBC Bearing
71904 ACE/HCP4AHDBC Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The matched arrangement ensures stability during precision operations.
In robotics, 71904 ACE/HCP4AHDBC Bearing supports articulated arms, providing smooth movement thanks to its 25° contact angle. The P4A tolerance class makes it ideal for applications requiring tight precision.
For medical imaging devices, 71904 ACE/HCP4AHDBC Bearing’s chrome steel rings and ceramic balls offer reliable performance. Its moderate preload helps maintain accuracy in sensitive equipment.
Automotive vs Aerospace: Applications of 71904 ACE/HCP4AHDBC Bearing
In automotive systems, 71904 ACE/HCP4AHDBC Bearing is found in gearboxes, where its high-speed capability handles rotational loads efficiently. The metric sizing ensures compatibility with various designs.
Aerospace applications benefit from 71904 ACE/HCP4AHDBC Bearing’s lightweight construction and temperature resistance. Its open design allows for easy lubrication in demanding environments.
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