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The 71903 CD/HCPA9ADBC is a super precision angular contact ball bearing, measuring 17mm by 30mm by 14mm. Made from chrome steel with ceramic balls, it offers high accuracy and smooth operation.
With a 15° contact angle, it handles both radial and thrust loads efficiently. Its moderate preload ensures stable performance, suitable for speeds up to 121,000 RPM.
The phenolic cage reduces friction and wear, while the open design allows easy lubrication. This matched set of two bearings is ideal for precision applications like machine tools or spindles.
Weighing just 0.03kg, it’s lightweight yet durable. Compliant with PA9A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.
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Why Choose 71903 CD/HCPA9ADBC Bearing for Precision Tasks?
71903 CD/HCPA9ADBC Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
The ceramic balls and chrome steel rings ensure smooth operation, even at high speeds up to 121,000 rpm.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.
With a moderate preload (Class C), it delivers consistent performance in matched bearing arrangements.
The open design allows for easy lubrication, ensuring optimal performance in temperatures from -30°C to 110°C.
This makes it suitable for applications where reliability and precision are essential.
Common Applications of 71903 CD/HCPA9ADBC Bearing
71903 CD/HCPA9ADBC Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth operation. The ceramic balls reduce friction, making it ideal for applications demanding accuracy.
In automotive systems, 71903 CD/HCPA9ADBC Bearing supports components like electric motors and gearboxes, thanks to its moderate preload and durability. The matched arrangement enhances stability under angular loads.
For medical imaging devices, 71903 CD/HCPA9ADBC Bearing’s phenolic cage and chrome steel rings provide reliable performance. Its low tolerance class ensures consistent operation in sensitive equipment.
Automation and robotics benefit from 71903 CD/HCPA9ADBC Bearing’s high-speed capabilities, particularly in robotic arms and CNC machines. The open seal design allows for easy lubrication maintenance.
In consumer electronics, 71903 CD/HCPA9ADBC Bearing is found in precision devices like 3D printers, where its lightweight and high-speed performance are key. The ceramic balls also help reduce noise during operation.
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