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The 7018 ACD/P4AQBCB is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 44775 lbf and operates smoothly at speeds up to 16000 RPM.
With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.
This set includes four matched bearings (QBC arrangement), ideal for spindle or machine tool use. It performs reliably in temperatures from -30°C to 110°C.
Weighing 4.63kg, it’s a robust choice for industrial equipment requiring tight tolerances (P4A class). Interchangeable with SKF bearings for easy replacement.
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How Does 7018 ACD/P4AQBCB Bearing Achieve Super Precision?
7018 ACD/P4AQBCB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 44,775 lbf, it handles demanding tasks with ease.
The P4A tolerance class guarantees exceptional accuracy, making it ideal for precision machinery.
Designed for high-speed operations, it supports speeds up to 16,000 rpm.
The matched set of four bearings ensures consistent performance in complex assemblies.
Its open design allows for easy lubrication, maintaining smooth operation.
The temperature range of -30°C to 110°C ensures reliability in various environments.
Industrial Uses of 7018 ACD/P4AQBCB Bearing
This 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 long operational hours.
In aerospace applications, 7018 ACD/P4AQBCB Bearing supports critical components like turbine shafts, thanks to its light preload and P4A tolerance. The matched set of four bearings provides balanced performance under radial and axial loads.
For automation systems, 7018 ACD/P4AQBCB Bearing excels in robotic arms, where its high-speed capability and stability are key. The chrome steel construction ensures durability even in demanding environments.
Medical imaging devices benefit from 7018 ACD/P4AQBCB Bearing’s precision, as it maintains smooth motion in scanners. The open design allows for easy lubrication, extending service life in clinical settings.
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