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The 71918 ACD/P4ATBTB is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 21510 lbf and spins smoothly at speeds up to 15000 RPM.
Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and durability.
This bearing is ideal for machine tools or spindle systems where accuracy and speed are crucial. It operates efficiently in temperatures from -30°C to 110°C.
Weighing 1.65kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial uses.
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Performance Features of 71918 ACD/P4ATBTB Bearing
71918 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of 21510 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 15,000 rpm, it delivers smooth operation in precision settings.
71918 ACD/P4ATBTB Bearing operates efficiently in temperatures from -30°C to 110°C.
Its matched arrangement of three bearings ensures stability and reliability in demanding conditions.
The light preload design minimises vibration, making it ideal for high-precision machinery.
Its open seal type allows for easy lubrication, extending service life.
Industrial Uses of 71918 ACD/P4ATBTB Bearing
71918 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability in demanding industrial environments.
In automotive applications, 71918 ACD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under varying loads.
For automation systems, 71918 ACD/P4ATBTB Bearing is ideal for robotic arms and CNC machines, offering reliable performance with minimal maintenance. The P4A tolerance class ensures consistent precision in repetitive tasks.
Medical imaging devices benefit from 71918 ACD/P4ATBTB Bearing’s low friction and high-speed capabilities. The chrome steel construction ensures durability in critical healthcare equipment.
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