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The 7018 CD/P4ADBA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It measures 48mm in width and comes as a matched set of two bearings for balanced performance.
This bearing handles radial loads up to 28575 lbf and spins smoothly at speeds up to 15000 RPM. Its 15° contact angle and extra light preload ensure precise operation with minimal friction.
The open design allows easy lubrication, while the phenolic cage offers quiet, long-lasting use. It works in temperatures from -30°C to 110°C, making it versatile for various conditions.
Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are key. Weighing 2.32kg, it’s robust yet manageable for its size. Compliant with P4A tolerance class for exceptional precision.
The matched pair (DB arrangement) ensures stability under angular loads. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.
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How Is 7018 CD/P4ADBA Bearing Engineered for Reliability?
7018 CD/P4ADBA Bearing features a 15° contact angle, optimised for precision angular contact applications.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 28575 lbf, it handles demanding tasks with ease.
Its extra light preload design enhances performance, making it suitable for high-speed operations up to 15,000 rpm.
The matched arrangement of two bearings ensures stability and balanced load distribution.
Operating within a temperature range of -30°C to 110°C, it performs reliably in varied conditions.
Industrial Uses of 7018 CD/P4ADBA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in heavy cutting operations.
In aerospace applications, 7018 CD/P4ADBA Bearing handles the demanding loads of helicopter gearboxes and turbine shafts. Its phenolic cage offers lightweight durability, crucial for aviation components.
For robotics, 7018 CD/P4ADBA Bearing’s extra light preload allows smooth movement in articulated arms and joints. The P4A tolerance class ensures minimal vibration during high-speed automation tasks.
Medical imaging systems benefit from 7018 CD/P4ADBA Bearing’s consistent performance in CT scanner gantries. The chrome steel construction maintains precision under continuous use.
In electric vehicle motors, 7018 CD/P4ADBA Bearing supports high-speed rotors while managing radial and axial loads. Its 15° contact angle optimises efficiency in compact motor designs.
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