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The 71903 CDGA/HCP4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm. Made from chrome steel and ceramic balls, it offers smooth operation and durability.
It handles radial loads up to 936 lbf and spins at high speeds of up to 80,000 RPM. The extra light preload ensures minimal friction, making it efficient for precision applications.
Its open design allows easy lubrication, while the phenolic cage provides stability. The bearing works in temperatures from -30°C to 110°C, suitable for various environments.
Ideal for high-speed machinery like spindles or dental tools, where precision and reliability are key. Weighing just 0.015kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance class for accurate performance.
This model is interchangeable with SKF bearings and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.
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Performance Features of 71903 CDGA/HCP4A Bearing
71903 CDGA/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 80,000 rpm.
Its phenolic cage provides excellent stability, reducing friction and wear during operation.
With a dynamic radial load capacity of 936 lbf, it handles demanding tasks with ease.
The open design allows for easy lubrication, maintaining performance in temperatures from -30°C to 110°C.
This bearing is part of a universal matching set, offering flexibility in various configurations.
How Does 71903 CDGA/HCP4A Bearing Improve Performance?
71903 CDGA/HCP4A Bearing is a great fit for high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup.
The 15° contact angle helps manage both radial and axial loads smoothly, making it ideal for precision spindles.
In robotics, 71903 CDGA/HCP4A Bearing ensures accurate movement in joints and arms, thanks to its P4A tolerance class.
The open design allows for easy lubrication, extending its lifespan in demanding applications.
Where Is 71903 CDGA/HCP4A Bearing Used?
You’ll often find 71903 CDGA/HCP4A Bearing in dental drills, where its high-speed capability and low vibration are crucial.
The extra-light preload ensures smooth rotation, which is perfect for sensitive medical imaging devices.
For small electric motors, 71903 CDGA/HCP4A Bearing’s compact size and ceramic balls enhance efficiency.
Its universal matching feature also makes it versatile for paired arrangements in industrial gearboxes.
Built for Versatility: 71903 CDGA/HCP4A Bearing
71903 CDGA/HCP4A Bearing works well in 3D printers, providing precise linear motion control with minimal noise.
The chrome steel rings and ceramic balls offer a good balance of durability and performance.
In optical equipment, 71903 CDGA/HCP4A Bearing’s low friction helps maintain alignment accuracy over time.
Its temperature range also makes it suitable for both indoor and outdoor applications.
Automotive vs Aerospace: Applications of 71903 CDGA/HCP4A Bearing
In automotive systems, 71903 CDGA/HCP4A Bearing supports small gearboxes and turbochargers, handling high RPMs with ease.
For aerospace, its lightweight design and precision are ideal for navigation instruments and control systems.
The phenolic cage resists wear in both environments, ensuring reliable performance.
Its compatibility with SKF equivalents also simplifies sourcing for maintenance and repairs.
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