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The 71904 CD/PA9ADGA is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and extra light preload ensure smooth operation under radial loads up to 2194 lbf.
This bearing spins at speeds up to 100,000 RPM, making it ideal for high-performance applications. The phenolic cage reduces friction and wear, while the open design allows for easy lubrication.
Universal matching lets you arrange bearings back-to-back, face-to-face, or tandem for versatile use. It’s interchangeable with SKF bearings, offering a reliable replacement option.
Weighing just 0.07kg, it’s lightweight yet durable. Perfect for precision machinery like spindles or CNC equipment where accuracy and speed are crucial. Works in temperatures from -30°C to 110°C.
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Performance Features of 71904 CD/PA9ADGA Bearing
71904 CD/PA9ADGA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls provide durability, while the phenolic cage ensures smooth operation at high speeds.
The bearing’s extra light preload (Class A) enhances performance in sensitive machinery.
With a maximum speed of 100,000 rpm, it balances speed and reliability effortlessly.
71904 CD/PA9ADGA Bearing’s universal matching allows flexible arrangement in back-to-back or face-to-face configurations.
This adaptability makes it suitable for various precision engineering needs.
The dynamic radial load capacity of 2194 lbf ensures reliable performance under stress.
Its temperature range of -30°C to 110°C allows operation in diverse environments.
Maintenance is simplified thanks to the pre-lubricated design.
This feature reduces downtime and extends the bearing’s service life.
Common Applications of 71904 CD/PA9ADGA Bearing
71904 CD/PA9ADGA Bearing is widely used in machine tools, where its super precision and angular contact design ensure accurate spindle rotation. The extra light preload makes it suitable for high-speed operations without compromising stability.
In automotive applications, 71904 CD/PA9ADGA Bearing supports components like electric motors and gearboxes, thanks to its universal matching feature. The phenolic cage reduces friction, enhancing efficiency in demanding conditions.
For automation systems, 71904 CD/PA9ADGA Bearing excels in robotic arms and CNC machines, where its 15° contact angle handles combined loads effectively. The lubricated design ensures smooth performance even at high RPMs.
Medical imaging devices benefit from 71904 CD/PA9ADGA Bearing’s chrome steel construction, providing reliable operation in sensitive environments. Its PA9A tolerance class guarantees consistent precision for critical applications.
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