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The 71904 CD/HCP4ADGA is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 2194 lbf.
This bearing spins at impressive speeds up to 75,000 RPM, thanks to its phenolic cage and extra-light preload. The open design allows for easy lubrication, while the universal matching feature offers flexibility in arrangement (back-to-back, face-to-face, or tandem).
Ideal for high-speed applications like machine tool spindles or precision instruments, it handles temperatures from -30°C to 110°C. Weighing just 0.066kg, it’s lightweight yet robust for its size. Comes as a matched set of two bearings for balanced performance.
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How Does 71904 CD/HCP4ADGA Bearing Achieve Super Precision?
71904 CD/HCP4ADGA Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, enhancing speed and accuracy.
The phenolic cage ensures smooth operation, even at speeds up to 75,000 rpm.
With universal matching and extra light preload, it offers versatile installation options.
71904 CD/HCP4ADGA Bearing’s dynamic radial load capacity of 2194 lbf ensures reliable performance.
Its temperature range of -30°C to 110°C makes it suitable for various operating conditions.
How Does 71904 CD/HCP4ADGA Bearing Improve Performance?
71904 CD/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 15° contact angle ensures precise handling of combined radial and axial loads.
In robotics, 71904 CD/HCP4ADGA Bearing supports articulated arms, offering reliable motion control thanks to its P4A tolerance class. The universal matching design allows flexible arrangements like back-to-back or tandem setups.
For dental drills and other medical devices, 71904 CD/HCP4ADGA Bearing’s lubricated design maintains quiet performance at up to 75,000 rpm. Its chrome steel rings provide durability in sterilisation cycles.
Automotive applications like electric power steering benefit from 71904 CD/HCP4ADGA Bearing’s extra-light preload, ensuring responsive handling. The metric dimensions make it compatible with compact European and Asian vehicle designs.
In 3D printers, 71904 CD/HCP4ADGA Bearing’s low heat generation improves print accuracy during prolonged use. The open seal design simplifies relubrication for maintenance-heavy environments.
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