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The 71903 CE/HCP4A is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, designed for high-speed applications. Its compact 7mm width and chrome steel construction make it both durable and lightweight.
With a 15° contact angle and ceramic balls, it handles radial loads up to 760 lbf and spins smoothly at speeds up to 127,000 RPM. The phenolic cage ensures quiet operation and reduced friction.
This open-design bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Its P4 tolerance class (ABEC-7) ensures exceptional precision.
Ideal for high-speed spindles or precision tools where accuracy and speed are crucial. Weighing just 0.014kg, it’s perfect for applications where every gram counts.
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Why Choose 71903 CE/HCP4A Bearing for Precision Tasks?
71903 CE/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure minimal friction and enhanced durability.
With a dynamic radial load capacity of 760 lbf, it handles demanding tasks efficiently.
The phenolic cage maintains ball alignment, reducing wear and extending service life.
Operating at speeds up to 127,000 rpm, it delivers reliable performance in high-speed scenarios.
Its P4 tolerance class guarantees precision, making it suitable for critical applications.
Super Precision Angular Contact Ball Bearings 71903 CE/HCP4A is commonly used in high-speed machine tools, where its 15° contact angle ensures smooth rotation under radial and axial loads. The ceramic balls reduce friction, making it ideal for precision grinding spindles.
In robotics, 71903 CE/HCP4A provides reliable performance in articulated arms, thanks to its phenolic cage and P4 tolerance class. Its compact size (17x30x7mm) fits well in space-constrained designs without compromising speed or accuracy.
For dental handpieces, 71903 CE/HCP4A’s lubricated design and high-speed capability (127,000 rpm) ensure quiet, vibration-free operation. The chrome steel rings and ceramic balls also resist wear in frequent sterilization cycles.
In optical equipment like lens positioning systems, 71903 CE/HCP4A’s preload adjustment allows for micron-level alignment. The open seal design simplifies relubrication, extending service life in critical applications.
Small electric motors benefit from 71903 CE/HCP4A’s lightweight (14g) and low-friction ceramic balls, improving energy efficiency in devices like drones or RC models. The metric sizing ensures easy integration with European and Asian components.
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