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The S7021 ACD/P4A is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 20340 lbf and operates smoothly at speeds up to 7500 RPM.
Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet and efficient performance. The 25° contact angle provides excellent stability under angular loads.
This bearing is available with preload and matched arrangements, making it versatile for precision applications. Ideal for machine tools, spindles, or other high-precision machinery where accuracy is key.
Weighing 1.61kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, ensuring reliable performance in demanding conditions.
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Why Choose S7021 ACD/P4A Bearing for Precision Tasks?
S7021 ACD/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 20340 lbf.
The sealed design and phenolic cage maintain smooth operation, even at speeds up to 7,500 rpm.
With ABEC-7 tolerance class, it delivers exceptional accuracy for demanding tasks.
Key Fields for S7021 ACD/P4A Bearing
S7021 ACD/P4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding workshop conditions.
In robotics, S7021 ACD/P4A Bearing enables smooth motion control for articulated arms, thanks to its phenolic cage reducing friction during rapid directional changes. Its P4 tolerance class makes it suitable for applications requiring minimal vibration.
For aerospace components, S7021 ACD/P4A Bearing’s matched arrangement option provides consistent performance in flight control systems. The chrome steel construction handles both the dynamic loads and temperature variations encountered during operations.
Medical imaging devices benefit from S7021 ACD/P4A Bearing’s lubricated design, ensuring quiet rotation in MRI scanners. The preload availability allows fine-tuning for critical alignment needs in sensitive diagnostic equipment.
Automotive testing rigs frequently incorporate S7021 ACD/P4A Bearing to support high-speed spindle requirements. Its 7,500 rpm rating and 20,340 lbf dynamic load capacity make it reliable for prolonged testing cycles.
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