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The 71905 ACD/P4ATBTD is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of three bearings for heavy preload applications.
This bearing handles dynamic radial loads up to 3105 lbf and spins smoothly at speeds up to 53,000 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 machine tools or spindle applications where accuracy is critical.
Weighing just 0.13kg, it’s lightweight yet robust. The matched set arrangement ensures consistent performance, making it a reliable choice for precision engineering. Suitable for temperatures from -30°C to 110°C.
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Engineered for Precision: 71905 ACD/P4ATBTD Bearing
71905 ACD/P4ATBTD Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under heavy loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 3105 lbf, it handles demanding conditions reliably.
71905 ACD/P4ATBTD Bearing operates at speeds up to 53,000 rpm, suitable for high-speed machinery.
Its P4A tolerance class guarantees exceptional precision in critical applications.
Designed for matched arrangements, 71905 ACD/P4ATBTD Bearing offers consistent performance in sets of three.
The open seal type allows for easy lubrication, ensuring long service life.
Essential Roles of 71905 ACD/P4ATBTD Bearing
71905 ACD/P4ATBTD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance class make it suitable for demanding applications.
In aerospace systems, 71905 ACD/P4ATBTD Bearing supports critical components like gyroscopes and actuators, thanks to its stable performance under radial and axial loads. The phenolic cage reduces friction, enhancing efficiency.
For robotics, 71905 ACD/P4ATBTD Bearing excels in articulated arms, providing smooth movement and long service life. Its matched arrangement of three bearings ensures consistent alignment in dynamic setups.
Medical imaging devices benefit from 71905 ACD/P4ATBTD Bearing’s precision, as it maintains quiet operation in MRI and CT scanners. The chrome steel construction adds durability in sterile environments.
In automotive testing equipment, 71905 ACD/P4ATBTD Bearing handles high-speed rotations, making it ideal for dynamometers and transmission test rigs. The lubricated design minimises maintenance needs.
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