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The 71911 CD/HCP4ADGA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 7020 lbf.
This bearing spins at speeds up to 39,000 RPM, thanks to its phenolic cage and extra-light preload. The open design allows for easy lubrication, while the universal matching feature offers flexibility in arrangement (back-to-back, face-to-face, or tandem).
Ideal for high-speed applications like machine tool spindles or precision instruments, it performs reliably in temperatures from -30°C to 110°C. Weighing just 0.3kg, it’s a lightweight yet durable choice for demanding setups.
Comes as a matched set of two bearings, interchangeable with SKF models, ensuring compatibility and ease of replacement. The P4A tolerance class guarantees exceptional accuracy for precision engineering needs.
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Performance Features of 71911 CD/HCP4ADGA Bearing
71911 CD/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 7020 lbf, it suits demanding applications.
71911 CD/HCP4ADGA Bearing operates smoothly at speeds up to 39,000 rpm.
Its universal matching design allows flexible arrangement in back-to-back or face-to-face configurations.
The extra light preload ensures minimal friction, ideal for precision tasks.
Temperature resistance from -30°C to 110°C makes it reliable in varied environments.
Key Fields for 71911 CD/HCP4ADGA Bearing
71911 CD/HCP4ADGA Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.
In aerospace systems, 71911 CD/HCP4ADGA Bearing supports components like turbine shafts, thanks to its lightweight phenolic cage and high-speed capability. Its universal matching design allows flexible arrangement in tight spaces.
For robotics, 71911 CD/HCP4ADGA Bearing’s P4A tolerance class ensures accuracy in articulated arms and joints. The extra-light preload minimises vibration, enhancing performance in automated assembly lines.
Medical imaging devices benefit from 71911 CD/HCP4ADGA Bearing’s low heat generation and consistent operation. The open design facilitates easy lubrication, extending service life in critical equipment.
In electric vehicle motors, 71911 CD/HCP4ADGA Bearing handles angular loads efficiently while maintaining quiet operation. Its metric sizing suits compact motor designs common in European and Asian models.
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