The 71903 CDGA/P4A is a super precision angular contact ball bearing with a compact size of 17mm by 30mm by 7mm, crafted from durable chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 936 lbf dynamically.
With a phenolic cage and open design, it offers smooth operation at high speeds up to 80,000 RPM. The extra light preload ensures minimal friction, making it efficient for precision applications.
This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed spindles or precision machinery where accuracy and reliability are key.
Weighing just 0.017kg, it’s lightweight yet robust, and operates well in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for superior performance.
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Performance Features of 71903 CDGA/P4A Bearing
71903 CDGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel construction ensures durability and resistance to wear in high-speed operations.
With a dynamic radial load capacity of 936 lbf, it handles demanding conditions efficiently.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.
How Does 71903 CDGA/P4A Bearing Achieve High-Speed Performance?
71903 CDGA/P4A Bearing reaches speeds up to 80,000 rpm, thanks to its precision-engineered design.
The extra light preload (Class A) ensures smooth operation with minimal resistance.
Chrome steel balls and rings provide reliable performance under high radial loads.
Its open seal type allows for easy lubrication, enhancing longevity in continuous use.
Engineered for Precision: 71903 CDGA/P4A Bearing
71903 CDGA/P4A Bearing meets P4A tolerance standards, ensuring exceptional accuracy for precision tasks.
The 14 chrome steel balls, each 3.969 mm in diameter, contribute to balanced load distribution.
Its compact size (17 mm × 30 mm × 7 mm) makes it ideal for space-constrained applications.
The bearing operates efficiently within a temperature range of -30°C to 110°C.
Steel vs Ceramic Bearings: Strengths of 71903 CDGA/P4A Bearing
71903 CDGA/P4A Bearing uses chrome steel for both rings and balls, offering a cost-effective yet durable solution.
Compared to ceramic options, it provides reliable performance under high static radial loads (468 lbf).
The phenolic cage reduces weight and friction, enhancing speed capabilities.
Its universal matching feature allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.
Common Applications of 71903 CDGA/P4A Bearing
71903 CDGA/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The extra light preload makes it ideal for applications requiring minimal friction.
In robotics, 71903 CDGA/P4A Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its phenolic cage offers durability while maintaining low weight.
For medical imaging devices, 71903 CDGA/P4A Bearing’s chrome steel construction ensures reliable performance under continuous use. The P4A tolerance class guarantees the precision needed for sensitive equipment.
Automotive applications like electric motor shafts benefit from 71903 CDGA/P4A Bearing’s high-speed capabilities. The open design allows for efficient lubrication, extending service life.
In 3D printers, 71903 CDGA/P4A Bearing helps maintain precise linear motion, crucial for detailed prints. Its compact size fits well in tight spaces without compromising performance.
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