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The 71904 ACD/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 makes it suitable for tight spaces while maintaining robust performance.
With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 1287 lbf dynamically. It spins smoothly at speeds up to 60,000 RPM, ideal for high-speed applications.
The open design and phenolic cage ensure durability and easy maintenance. Preload availability enhances stability, making it perfect for precision machinery.
This bearing is interchangeable with SKF models, offering a reliable replacement option. It works well in temperatures from -30°C to 110°C, suitable for industrial or automotive uses.
Weighing just 0.035kg, it’s lightweight yet sturdy, meeting P4 tolerance standards for exceptional accuracy.
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Why Choose 71904 ACD/P4A Bearing for Precision Tasks?
71904 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.
With a maximum speed of 60,000 rpm, it excels in high-speed applications.
The P4 tolerance class guarantees consistent performance in demanding conditions.
How Does 71904 ACD/P4A Bearing Improve Performance?
71904 ACD/P4A Bearing is commonly used in high-speed machine spindles, where its 25° contact angle ensures smooth rotation under angular loads. The phenolic cage reduces friction, making it ideal for precision applications.
In robotics, 71904 ACD/P4A Bearing provides reliable support for articulated arms, thanks to its P4 tolerance class. Its compact size (20 mm×37 mm×9 mm) fits well in space-constrained designs.
For medical imaging devices, 71904 ACD/P4A Bearing’s chrome steel construction offers durability and consistent performance. The open design allows for easy lubrication, extending service life in critical equipment.
Where Is 71904 ACD/P4A Bearing Used?
You’ll find 71904 ACD/P4A Bearing in CNC machining centres, where its high-speed capability (up to 60,000 rpm) ensures precise cutting. The preload option further enhances stability during operation.
In automotive testing equipment, 71904 ACD/P4A Bearing handles both radial and axial loads with ease. Its metric sizing makes it compatible with European and Asian machinery standards.
Built for Versatility: 71904 ACD/P4A Bearing
71904 ACD/P4A Bearing works well in 3D printers, providing smooth linear motion for print heads. The lubricated design reduces maintenance needs in continuous operation.
For laboratory centrifuges, 71904 ACD/P4A Bearing’s precision engineering ensures balanced rotation at high speeds. The chrome steel balls and rings offer long-lasting performance in demanding conditions.
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