
The S71901 ACD/P4A is a super precision angular contact ball bearing, measuring 12mm by 24mm by 6mm, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with options for matched arrangement and preload.
This bearing handles radial loads up to 574 lbf and can reach speeds of 63,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and durability under demanding conditions.
With a P4 tolerance class (equivalent to ABEC-7), it offers exceptional accuracy for precision machinery. Ideal for use in spindles, robotics, or medical equipment where reliability and precision are key.
Weighing just 0.011kg, it’s lightweight yet robust, and operates efficiently in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.
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Why Choose S71901 ACD/P4A Bearing for Precision Tasks?
S71901 ACD/P4A Bearing features a 25° contact angle, optimising load distribution for high-precision applications.
Its P4 tolerance class ensures minimal deviation, making it suitable for demanding tasks.
The chrome steel rings and balls enhance durability while maintaining smooth operation.
With a maximum speed of 63,000 rpm, it delivers reliable performance in high-speed scenarios.
Sealed design and lubrication reduce maintenance needs, ensuring long-term efficiency.
Its phenolic cage keeps the balls aligned, minimising wear and extending service life.
How Does S71901 ACD/P4A Bearing Improve Performance?
S71901 ACD/P4A Bearing is widely used in high-speed machine tools, where its 25° contact angle ensures smooth operation under angular loads. The sealed design keeps contaminants out, extending service life in demanding environments.
In robotics, S71901 ACD/P4A Bearing provides precise motion control for articulated arms, thanks to its P4 tolerance class. Its phenolic cage reduces friction, making it ideal for repetitive movements.
For dental handpieces, S71901 ACD/P4A Bearing’s compact size and high-speed capability (up to 63,000 rpm) ensure reliable performance. The chrome steel construction offers durability in sterilisation cycles.
Automotive vs Aerospace: Applications of S71901 ACD/P4A Bearing
In automotive turbochargers, S71901 ACD/P4A Bearing handles both radial and thrust loads efficiently. Its matched arrangement option allows for custom preload settings.
Aerospace applications benefit from S71901 ACD/P4A Bearing’s lightweight design and precision. The lubricated sealed version works well in flight control systems where maintenance access is limited.
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