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The 71918 ACD/P4ADBC is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from durable chrome steel. It measures 36mm in width and comes as a matched pair for balanced performance.
This bearing handles radial loads up to 16380 lbf and spins smoothly at speeds up to 15000 RPM. Its 25° contact angle efficiently manages combined radial and axial loads.
The open design allows easy lubrication, while the phenolic cage reduces friction for quieter operation. It operates reliably in temperatures from -30°C to 110°C.
Ideal for high-precision applications like machine tool spindles or high-speed robotics. Weighing 1.1kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for exceptional accuracy.
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Performance Features of 71918 ACD/P4ADBC Bearing
71918 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and resistance to wear under high dynamic radial loads of 16380 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 15,000 rpm, it balances high-speed performance with reliability.
71918 ACD/P4ADBC Bearing operates efficiently in temperatures from -30°C to 110°C, suitable for varied environments.
Its matched arrangement of two bearings provides stability and precision in demanding setups.
The moderate preload (Class C) ensures consistent performance without excessive rigidity.
This makes 71918 ACD/P4ADBC Bearing a practical choice for precision engineering applications.
Industrial Uses of 71918 ACD/P4ADBC Bearing
71918 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control over radial and axial loads.
In robotics, 71918 ACD/P4ADBC Bearing provides smooth motion in articulated arms and joints, thanks to its phenolic cage reducing friction. The matched arrangement of two bearings enhances stability in dynamic movements.
For aerospace components, 71918 ACD/P4ADBC Bearing’s chrome steel construction withstands high speeds and loads in turbine systems. Its open design allows for efficient lubrication, extending service life in demanding conditions.
Automotive vs Aerospace: Applications of 71918 ACD/P4ADBC Bearing
In automotive transmissions, 71918 ACD/P4ADBC Bearing handles angular loads efficiently, contributing to smoother gear shifts. Its metric dimensions ensure compatibility with a range of vehicle designs.
For aerospace actuators, 71918 ACD/P4ADBC Bearing’s high-speed capability and precision are critical. The phenolic cage material reduces weight while maintaining durability in extreme environments.
What Makes 71918 ACD/P4ADBC Bearing a Preferred Choice?
71918 ACD/P4ADBC Bearing is often selected for medical imaging devices due to its low vibration and high rotational accuracy. The chrome steel balls and rings ensure reliable performance over long periods.
In industrial pumps, 71918 ACD/P4ADBC Bearing’s ability to handle combined loads makes it a dependable option. The open seal type simplifies maintenance, reducing downtime in critical systems.
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