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The 7008 ACD/P4ATBTB is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of three bearings for balanced performance.
This bearing handles radial loads up to 7762 lbf and reaches speeds of 56,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under demanding conditions.
The open design allows for easy lubrication, while the P4A tolerance class guarantees precise performance. Ideal for machine tools or precision equipment where accuracy and speed are crucial.
Weighing 0.58kg, it operates efficiently in temperatures from -30°C to 110°C. The matched set arrangement ensures consistent performance across all three bearings.
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Performance Features of 7008 ACD/P4ATBTB Bearing
7008 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to radial loads, with a dynamic capacity of 7762 lbf.
The phenolic cage ensures smooth operation at high speeds, up to 56,000 rpm.
With a matched arrangement of three bearings, it offers enhanced stability for precision tasks.
Industrial Uses of 7008 ACD/P4ATBTB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability for demanding operations like milling and grinding.
In robotics, 7008 ACD/P4ATBTB Bearing supports articulated arms, offering smooth movement thanks to its light preload and phenolic cage. Its P4A tolerance class makes it suitable for applications requiring minimal vibration.
For aerospace components, 7008 ACD/P4ATBTB Bearing handles radial and axial loads in systems like flight control actuators. The chrome steel construction ensures durability even under continuous high-speed operation.
Automotive vs Aerospace: Applications of 7008 ACD/P4ATBTB Bearing
In cars, this bearing is often found in gearboxes, where its angular contact design manages combined loads efficiently. The metric sizing ensures compatibility with European and Asian vehicle designs.
Aerospace applications benefit from 7008 ACD/P4ATBTB Bearing’s high-speed capability and precision, ideal for helicopter rotor systems. The lubricated design reduces maintenance needs in critical flight components.
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