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The 71903 ACE/HCP4ADGA is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 14mm, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 1170 lbf and reaches speeds of 121,000 RPM, making it suitable for high-performance applications.
Its 25° contact angle and extra-light preload ensure smooth operation with minimal friction. The phenolic cage adds strength while keeping the bearing lightweight at just 0.028kg.
This bearing comes in a universal matched set of two, allowing flexible arrangements like back-to-back or face-to-face mounting. Ideal for precision machinery, spindles, or high-speed tools where accuracy is key.
It operates in temperatures from -30°C to 110°C and is interchangeable with SKF bearings, offering reliable replacement options. The open design allows for easy lubrication and maintenance.
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Performance Features of 71903 ACE/HCP4ADGA Bearing
71903 ACE/HCP4ADGA Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed operations.
The phenolic cage ensures smooth movement, even at speeds up to 121,000 rpm.
With universal matching, it supports back-to-back, face-to-face, or tandem arrangements for versatile use.
71903 ACE/HCP4ADGA Bearing’s extra light preload (Class A) minimises vibration, ideal for precision tasks.
Its dynamic radial load capacity of 1170 lbf ensures reliability in demanding conditions.
The open design allows easy lubrication, maintaining efficiency over time.
Operating between -30°C to 110°C, it adapts to various environmental conditions.
Common Applications of 71903 ACE/HCP4ADGA Bearing
71903 ACE/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under radial and axial loads.
In robotics, 71903 ACE/HCP4ADGA Bearing provides smooth motion control for precision arms and joints. Its universal matching design allows flexible mounting in tight spaces.
For dental drills and surgical tools, 71903 ACE/HCP4ADGA Bearing’s P4A tolerance delivers the accuracy needed for delicate procedures. The lubricated design ensures quiet operation in sensitive medical environments.
Automotive turbochargers benefit from 71903 ACE/HCP4ADGA Bearing’s ability to handle extreme speeds. The chrome steel rings and ceramic balls withstand high temperatures and rotational forces.
In 3D printers, 71903 ACE/HCP4ADGA Bearing’s low friction helps maintain precise layer alignment. The extra light preload minimises drag while ensuring consistent movement.
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