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The 7218 CD/P4ADGB is a super precision angular contact ball bearing with a 90mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 46800 lbf and operates smoothly at speeds up to 17000 RPM.
Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet performance and long service life.
Preloaded for light Class B operation, this bearing excels in high-speed applications. It works reliably in temperatures from -30°C to 110°C.
Ideal for precision machinery like spindles or CNC equipment where accuracy is crucial. Comes as a matched set of two bearings for balanced performance. Weighs 4.53kg with P4A tolerance class for exceptional precision.
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Performance Features of 7218 CD/P4ADGB Bearing
7218 CD/P4ADGB Bearing is designed with a 15° contact angle, optimised for angular contact loads.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.
The universal matching feature allows flexible arrangements like back-to-back or face-to-face mounting.
With a dynamic radial load capacity of 46,800 lbf, it handles demanding operational conditions.
Phenolic cage material reduces friction and noise, enhancing smooth operation.
The P4A tolerance class ensures precision performance for critical applications.
Operating at speeds up to 17,000 rpm, it maintains reliability across a wide temperature range.
Light preload class B further improves performance in precision machinery.
Industrial Uses of 7218 CD/P4ADGB Bearing
This bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The universal matching feature allows flexible arrangement in back-to-back or face-to-face configurations.
In robotics, 7218 CD/P4ADGB Bearing supports articulated arms, providing smooth movement under radial and axial loads. Its phenolic cage reduces friction, making it ideal for repetitive motion applications.
For aerospace components, 7218 CD/P4ADGB Bearing offers reliable performance in gearbox systems, thanks to its chrome steel construction. The P4A tolerance class ensures consistent operation in demanding flight conditions.
What Makes 7218 CD/P4ADGB Bearing a Preferred Choice?
Its light preload and 15° contact angle make it suitable for high-precision lathes, reducing vibration during cutting operations. The open design also simplifies lubrication maintenance.
In electric motors, 7218 CD/P4ADGB Bearing handles combined loads efficiently, extending service life. The metric sizing ensures compatibility with European industrial equipment standards.
Optimized for Performance: 7218 CD/P4ADGB Bearing
This bearing excels in CNC machining centres, where its tandem arrangement supports heavy cutting forces. The 17,000 rpm rating allows for high-speed operations without compromising accuracy.
For pump systems, 7218 CD/P4ADGB Bearing’s phenolic cage resists corrosion from fluids, ensuring durability. The matched set design simplifies installation in critical applications.
Automotive vs Aerospace: Applications of 7218 CD/P4ADGB Bearing
In automotive transmissions, this bearing manages angular loads in gear shifts, withstanding constant speed variations. Its temperature range suits both cold starts and prolonged highway use.
Aerospace applications benefit from 7218 CD/P4ADGB Bearing’s P4A tolerance in flight control systems, where minimal play is crucial. The chrome steel balls maintain integrity under extreme G-forces.
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