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The 71903 CEGA/HCP4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 760 lbf and spins at high speeds of up to 80,000 RPM, thanks to its phenolic cage.
With a 15° contact angle and extra light preload, it offers smooth operation and low friction. The open design allows for easy lubrication, ensuring long-lasting performance in temperatures from -30°C to 110°C.
This bearing is interchangeable with SKF models and comes in a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tools or precision instruments where accuracy is key.
Weighing just 0.014kg, it’s lightweight yet robust, meeting P4A tolerance standards for exceptional precision.
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Performance Features of 71903 CEGA/HCP4A Bearing
71903 CEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation at high speeds.
Its 15° contact angle provides excellent radial load capacity, reaching up to 760 lbf.
The phenolic cage keeps the balls aligned, reducing friction and enhancing durability.
With a maximum speed of 80,000 rpm, it is ideal for precision applications requiring high performance.
71903 CEGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its extra light preload ensures minimal resistance, making it suitable for sensitive machinery.
The open design allows for easy lubrication, maintaining optimal performance over time.
Its P4A tolerance class guarantees precision and reliability in demanding conditions.
Industrial Uses of 71903 CEGA/HCP4A Bearing
71903 CEGA/HCP4A Bearing works well in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment for smooth operations.
In robotics, 71903 CEGA/HCP4A Bearing supports articulated arms, thanks to its angular contact design handling combined loads. Its lightweight construction helps maintain agility in automated systems.
For medical imaging devices, 71903 CEGA/HCP4A Bearing’s low vibration and high-speed capability improve scan accuracy. The chrome steel rings provide long-lasting performance in critical applications.
Where Is 71903 CEGA/HCP4A Bearing Used?
You’ll find 71903 CEGA/HCP4A Bearing in precision spindles, where its extra-light preload minimises drag. The open design allows easy relubrication, extending service life.
In aerospace components, 71903 CEGA/HCP4A Bearing handles rapid directional changes with stability. Its temperature range suits both cockpit avionics and engine-adjacent systems.
Built for Heavy-Duty Use: 71903 CEGA/HCP4A Bearing
71903 CEGA/HCP4A Bearing suits grinding machines, where its 80,000 rpm rating withstands intense workloads. The ceramic balls resist wear even under continuous operation.
For electric vehicle motors, 71903 CEGA/HCP4A Bearing manages axial thrust from regenerative braking. Its metric sizing fits compact motor designs common in European models.
Automotive vs Aerospace: Applications of 71903 CEGA/HCP4A Bearing
In car wheel hubs, 71903 CEGA/HCP4A Bearing supports cornering forces with its 15° contact angle. The phenolic cage dampens vibrations for quieter rides.
For satellite mechanisms, 71903 CEGA/HCP4A Bearing’s vacuum-compatible materials prevent outgassing. The matched universal pairing simplifies maintenance in orbital systems.
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