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The 71903 CD/P4ADFC is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 14mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.
This bearing handles radial loads up to 1521 lbf and spins smoothly at speeds up to 121,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.
The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is key.
Weighing just 0.034kg, it’s lightweight yet robust. The matched set arrangement (DF) provides stability under angular loads, making it a reliable choice for precision engineering.
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Why Choose 71903 CD/P4ADFC Bearing for Precision Tasks?
71903 CD/P4ADFC Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation even at high speeds up to 121,000 rpm.
The matched arrangement of two bearings provides stability, making it suitable for demanding applications.
With a phenolic cage, 71903 CD/P4ADFC Bearing reduces friction and maintains performance under moderate preload.
Its P4A tolerance class guarantees high accuracy, essential for precision machinery.
The open design allows for easy lubrication, ensuring long service life and minimal maintenance.
Industrial Uses of 71903 CD/P4ADFC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control.
In robotics, 71903 CD/P4ADFC Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage reduces friction, enhancing efficiency in automated systems.
For medical imaging devices, this bearing’s chrome steel construction offers reliability under continuous operation. The matched arrangement ensures consistent performance in critical diagnostic equipment.
Automotive vs Aerospace: Applications of 71903 CD/P4ADFC Bearing
In automotive systems, it’s found in high-performance gearboxes, handling radial and axial loads with precision. The lubricated design ensures durability even under demanding conditions.
Aerospace applications benefit from its lightweight and high-speed capabilities, ideal for instrumentation and control systems. The temperature range allows it to perform reliably in varied environments.
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