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The 71917 ACD/P4ATBTA is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and matched set of three bearings (arranged > TBT) ensure smooth operation under angular loads.
This bearing handles dynamic radial loads up to 21060 lbf and spins at speeds up to 28000 RPM, thanks to its phenolic cage and extra-light preload. It performs reliably in temperatures from -30°C to 110°C.
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 1.59kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.
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Performance Features of 71917 ACD/P4ATBTA Bearing
71917 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 21060 lbf.
The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 28,000 rpm, it delivers reliable performance in demanding conditions.
71917 ACD/P4ATBTA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures smooth rotation while minimising energy loss.
The matched arrangement of three bearings (TBT) enhances stability for complex load requirements.
Precision P4A tolerances guarantee consistent performance in high-accuracy applications.
Key Fields for 71917 ACD/P4ATBTA Bearing
71917 ACD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage helps reduce friction, making it suitable for high-speed operations.
In aerospace applications, 71917 ACD/P4ATBTA Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4A tolerance class. Its chrome steel construction provides the necessary durability for demanding environments.
For automation systems, 71917 ACD/P4ATBTA Bearing is ideal for robotic arms, offering smooth movement and reliable performance. The matched arrangement of three bearings enhances stability in complex machinery setups.
Medical imaging devices benefit from 71917 ACD/P4ATBTA Bearing’s precision, ensuring consistent performance in sensitive equipment. The open seal design allows for easy lubrication, extending the bearing’s service life.
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