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The 71903 CD/HCP4A is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, crafted from high-quality chrome steel. Its compact 7mm width makes it suitable for tight spaces while maintaining robust performance.
With a 15° contact angle, it handles both radial and thrust loads efficiently, supporting up to 936 lbf dynamically. It spins smoothly at speeds up to 100,000 RPM, thanks to its ceramic balls and phenolic cage.
The open design allows for easy lubrication, ensuring long service life. Its P4 tolerance class (ABEC-7) guarantees exceptional precision, ideal for high-accuracy applications.
Perfect for use in machine tools, spindles, or other high-speed equipment where precision is key. Weighing just 0.015kg, it’s lightweight yet durable, operating reliably between -30°C and 110°C.
This model is interchangeable with SKF bearings, offering a dependable replacement option. Its matched arrangement and preload availability provide added versatility for specialised setups.
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Why Choose 71903 CD/HCP4A Bearing for Precision Tasks?
71903 CD/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.
The phenolic cage maintains ball alignment, enhancing durability and reducing wear.
With a maximum speed of 100,000 rpm, it excels in high-speed scenarios.
71903 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees consistent performance in demanding conditions.
Common Applications of 71903 CD/HCP4A Bearing
71903 CD/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.
In robotics, 71903 CD/HCP4A Bearing supports articulated arms, providing stability and low heat generation during repetitive movements. Its phenolic cage offers lightweight durability, perfect for automated systems.
For dental drills and surgical tools, 71903 CD/HCP4A Bearing’s P4 tolerance guarantees consistent performance under high RPMs. The open design allows for easy lubrication, extending service life in medical environments.
In optical equipment like lens positioning systems, 71903 CD/HCP4A Bearing’s minimal vibration enhances clarity. The matched arrangement option ensures precise alignment for critical applications.
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