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The 71903 CD/P4AQBCC is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of four bearings for balanced performance.
This bearing handles radial loads up to 2498 lbf and can spin at speeds up to 121,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and reduces friction.
The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. Ideal for machine tools or spindles where accuracy and speed are crucial.
Weighing just 0.068kg, it’s lightweight yet robust. The moderate preload (Class C) ensures stability under angular contact loads. Works well in temperatures from -30°C to 110°C.
This model is interchangeable with SKF bearings, offering a reliable replacement option. Its universal matching feature is not available, but the matched set provides consistent performance.
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Performance Features of 71903 CD/P4AQBCC Bearing
71903 CD/P4AQBCC Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.
The matched arrangement of 4 bearings provides consistent performance, ideal for angular contact load scenarios.
With a dynamic radial load capacity of 2498 lbf, it handles demanding conditions reliably.
71903 CD/P4AQBCC Bearing operates efficiently at speeds up to 121,000 rpm, maintaining stability.
Its P4A tolerance class ensures high precision, making it suitable for critical applications.
Industrial Uses of 71903 CD/P4AQBCC Bearing
71903 CD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control.
In automotive systems, 71903 CD/P4AQBCC Bearing supports components like turbochargers and transmission shafts, where its high-speed capability and durability are key. The matched set arrangement enhances stability under varying loads.
For medical imaging devices, 71903 CD/P4AQBCC Bearing’s phenolic cage and chrome steel construction provide reliable performance in sensitive environments. Its low friction and smooth operation are ideal for precision instruments.
Where Is 71903 CD/P4AQBCC Bearing Used?
You’ll find 71903 CD/P4AQBCC Bearing in robotics, particularly in articulated arms requiring precise movement. Its 15° contact angle and high-speed rating ensure smooth, controlled motion.
The bearing also fits well in 3D printers, where its accuracy and low heat generation contribute to consistent print quality. The open design allows for easy lubrication, extending service life.
Built for Heavy-Duty Use: 71903 CD/P4AQBCC Bearing
71903 CD/P4AQBCC Bearing handles demanding conditions in industrial pumps, thanks to its robust chrome steel construction. The dynamic radial load capacity ensures longevity even in continuous operation.
In aerospace applications, this bearing’s precision and reliability make it a trusted choice for control systems. The temperature range of -30°C to 110°C suits various operational environments.
Automotive vs Aerospace: Applications of 71903 CD/P4AQBCC Bearing
In automotive settings, 71903 CD/P4AQBCC Bearing excels in high-speed gearboxes, where its angular contact design reduces vibration. The matched set arrangement provides balanced load distribution.
For aerospace, the bearing’s precision and tolerance class are critical in flight control mechanisms. Its ability to handle both radial and axial loads makes it versatile for complex systems.
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