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The 71904 ACDGA/P4A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. Its compact 9mm width and lightweight design (0.035kg) make it suitable for space-sensitive applications.
With a 25° contact angle, it handles radial loads up to 1287 lbf and spins smoothly at speeds up to 75,000 RPM. The phenolic cage ensures quiet operation and durability, while the open design allows for easy lubrication.
This bearing is ideal for high-precision machinery like spindles or CNC tools, where accuracy and speed are crucial. It operates reliably in temperatures from -30°C to 110°C and comes with a P4A tolerance class for exceptional performance.
Interchangeable with SKF bearings, it offers flexibility in matched arrangements (back-to-back, face-to-face, or tandem). Perfect for applications demanding tight tolerances and smooth rotation.
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Performance Features of 71904 ACDGA/P4A Bearing
71904 ACDGA/P4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and smooth operation in high-speed applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 75,000 rpm, it excels in precision tasks requiring rapid rotation.
71904 ACDGA/P4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance and optimal accuracy.
The open design allows for easy lubrication, extending service life.
Its dynamic radial load capacity of 1287 lbf makes it reliable for demanding applications.
Key Fields for 71904 ACDGA/P4A Bearing
71904 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The extra light preload makes it ideal for applications requiring minimal friction.
In robotics, 71904 ACDGA/P4A Bearing supports smooth movement in articulated arms, thanks to its phenolic cage and chrome steel construction. Its P4A tolerance class guarantees consistent operation in demanding environments.
For medical imaging devices, 71904 ACDGA/P4A Bearing provides reliable rotation in components like CT scanners. The open seal type allows for easy lubrication, extending its service life in critical applications.
Automotive applications include electric vehicle motors, where 71904 ACDGA/P4A Bearing handles both radial and axial loads efficiently. Its metric sizing ensures compatibility with a variety of international designs.
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