
The 71903 CD/P4ADBB is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.
Designed for light preload, it handles radial loads up to 1521 lbf and spins smoothly at speeds up to 121,000 RPM. The phenolic cage ensures quiet operation and longevity, even in demanding conditions.
Its open design allows easy lubrication, making maintenance straightforward. The bearing operates reliably in temperatures from -30°C to 110°C.
Ideal for high-precision applications like machine tool spindles or dental equipment, where accuracy and speed are crucial. Weighing just 0.034kg, it’s lightweight yet robust for its size.
This model is interchangeable with SKF bearings, offering a reliable replacement option. Its P4A tolerance class ensures exceptional precision for critical tasks.
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Why Choose 71903 CD/P4ADBB Bearing for Precision Tasks?
71903 CD/P4ADBB Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under radial loads up to 1521 lbf.
The matched arrangement of two bearings provides balanced performance, ideal for demanding setups.
With a maximum speed of 121,000 rpm, it delivers efficiency without compromising precision.
Phenolic cage material reduces friction, enhancing the bearing’s longevity and reliability.
Its P4A tolerance class guarantees consistent performance in critical applications.
The open design allows for easy lubrication, maintaining optimal performance over time.
Operating between -30°C to 110°C, it adapts well to varying environmental conditions.
Industrial Uses of 71903 CD/P4ADBB Bearing
71903 CD/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.
In automotive applications, 71903 CD/P4ADBB Bearing supports components like turbochargers and electric motors, thanks to its light preload and high-speed capability. The chrome steel construction offers durability under continuous use.
For medical imaging devices, 71903 CD/P4ADBB Bearing’s phenolic cage reduces friction, making it ideal for smooth, quiet operation. Its P4A tolerance class ensures consistent performance in sensitive equipment.
Automation and robotics benefit from 71903 CD/P4ADBB Bearing’s ability to handle combined loads in robotic arms and CNC systems. The open design allows for easy lubrication, extending service life.
In consumer electronics, 71903 CD/P4ADBB Bearing is found in high-performance fans and small motors, where its compact size and reliability are key. The metric dimensions make it compatible with a variety of devices.
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