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The 71904 ACD/P4ADGA is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and is designed for high-speed operations up to 100,500 RPM.
With an extra light preload and universal matching, it handles radial loads up to 2106 lbf while maintaining smooth performance. The open design and phenolic cage ensure low friction and easy maintenance.
This bearing is ideal for precision applications like machine tool spindles or high-speed motors. Its compact size (20mm×37mm×18mm) and lightweight (0.07kg) make it easy to integrate into various setups.
Compatible with SKF bearings, it offers flexibility in matched arrangements (back-to-back, face-to-face, or tandem). Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for demanding environments.
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Performance Features of 71904 ACD/P4ADGA Bearing
71904 ACD/P4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 2106 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) enhances precision, making it suitable for high-speed applications up to 100,500 rpm.
71904 ACD/P4ADGA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching design allows flexible arrangement options, including back-to-back or face-to-face configurations.
Common Applications of 71904 ACD/P4ADGA Bearing
71904 ACD/P4ADGA Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The phenolic cage reduces friction, making it ideal for applications requiring minimal heat generation.
Where Is 71904 ACD/P4ADGA Bearing Used?
You’ll often find 71904 ACD/P4ADGA Bearing in robotics, particularly in articulated arms that need precise movement. Its universal matching feature allows for flexible configurations in tight spaces.
Ideal for Precision: 71904 ACD/P4ADGA Bearing
71904 ACD/P4ADGA Bearing excels in medical imaging devices, where its P4A tolerance class guarantees accuracy. The chrome steel construction ensures long-lasting performance in sterile environments.
Automotive vs Aerospace: Applications of 71904 ACD/P4ADGA Bearing
In automotive systems, 71904 ACD/P4ADGA Bearing supports gearbox components, while in aerospace, it’s used in gyroscopes. Its extra-light preload makes it versatile for both high and low-speed applications.
Practical Applications of 71904 ACD/P4ADGA Bearing
71904 ACD/P4ADGA Bearing is a go-to for 3D printers, where its high-speed capability and precision are crucial. The open seal type allows for easy lubrication, extending its service life in continuous use.
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