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The 71905 CE/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. Its compact 9mm width makes it suitable for space-sensitive applications.
With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 1186 lbf dynamically. It spins smoothly at speeds up to 75,000 RPM, ideal for high-performance machinery.
The open design and phenolic cage ensure durability and easy maintenance. Preload options are available for matched arrangements, enhancing stability in precise setups.
Perfect for applications like CNC spindles or high-speed motors where accuracy is key. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement. Lightweight at just 0.04kg, it balances performance and portability.
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Why Choose 71905 CE/P4A Bearing for Precision Tasks?
71905 CE/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 1186 lbf.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 75,000 rpm.
With a P4 tolerance class, it delivers consistent accuracy for demanding industrial or instrumentation uses.
71905 CE/P4A Bearing operates reliably in temperatures from -30° to 110°C, suitable for varied environments.
Its open design allows easy lubrication, extending service life while maintaining precision.
Common Applications of 71905 CE/P4A Bearing
71905 CE/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.
In automotive applications, 71905 CE/P4A Bearing supports electric motor shafts, providing stability under angular loads. Its P4 tolerance class ensures consistent performance in demanding conditions.
For robotics, 71905 CE/P4A Bearing is ideal for articulated arms, offering smooth movement and low heat generation. The open seal design allows for easy lubrication, extending service life.
In medical imaging devices, 71905 CE/P4A Bearing’s chrome steel construction delivers reliability during high-speed rotations. Its lightweight design also minimises vibration in sensitive equipment.
Where Is 71905 CE/P4A Bearing Used?
71905 CE/P4A Bearing is commonly found in CNC machining centres, where its high-speed capability and precision are essential. The 15° contact angle helps manage combined radial and axial loads effectively.
In aerospace systems, 71905 CE/P4A Bearing is used in gyroscopes and navigation equipment. Its matched arrangement option ensures consistent performance in critical applications.
Built for Heavy-Duty Use: 71905 CE/P4A Bearing
71905 CE/P4A Bearing handles heavy loads in industrial pumps, thanks to its chrome steel rings and dynamic load capacity. The lubricated design further enhances durability in harsh environments.
For 3D printers, 71905 CE/P4A Bearing ensures precise linear motion in print heads. Its low weight and high-speed rating make it a reliable choice for additive manufacturing.
Automotive vs Aerospace: Applications of 71905 CE/P4A Bearing
In automotive transmissions, 71905 CE/P4A Bearing supports gear shifts with minimal friction. Its ABEC-7 tolerance ensures smooth operation even at high RPMs.
For aerospace actuators, 71905 CE/P4A Bearing offers reliable performance under extreme conditions. The matched preload option helps maintain precision in flight control systems.
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