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The 71928 ACD/P4A is a super precision angular contact ball bearing with a 140mm bore and 190mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 20340 lbf and operates smoothly at speeds up to 9000 RPM.
Its 25° contact angle ensures efficient load distribution, while the phenolic cage offers durability and reduced friction. The bearing comes preloaded for better performance in high-precision applications.
Suitable for temperatures between -30°C and 110°C, this bearing is ideal for machine tools or spindle systems. Its P4 tolerance class guarantees exceptional accuracy.
Weighing 1.65kg, it’s a robust choice for demanding industrial environments. Compatible with SKF bearings, it’s a reliable option for replacements or upgrades.
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Performance Features of 71928 ACD/P4A Bearing
71928 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 20,340 lbf.
The phenolic cage in 71928 ACD/P4A Bearing maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 9,000 rpm, it delivers smooth operation in precision settings.
71928 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures high precision, making it suitable for demanding industrial uses.
Common Applications of 71928 ACD/P4A Bearing
71928 ACD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.
In robotics, 71928 ACD/P4A Bearing provides stability in articulated arms, handling both radial and axial loads efficiently. Its P4 tolerance class guarantees consistent performance in automated systems.
For aerospace applications, 71928 ACD/P4A Bearing’s chrome steel construction withstands rigorous conditions while maintaining precision. The open seal design allows for easy lubrication, extending service life in demanding environments.
Where Is 71928 ACD/P4A Bearing Used?
You’ll often find 71928 ACD/P4A Bearing in CNC machining centres, where its 25° contact angle optimises load distribution. The high dynamic radial load capacity makes it reliable for heavy cutting operations.
In electric motors, 71928 ACD/P4A Bearing supports high-speed shafts with minimal vibration. Its lubricated design ensures smooth operation even at maximum RPM.
Built for Heavy-Duty Use: 71928 ACD/P4A Bearing
71928 ACD/P4A Bearing excels in industrial gearboxes, handling combined loads with ease. The chrome steel balls and rings provide durability in continuous operation.
For printing machinery, 71928 ACD/P4A Bearing’s precision ensures consistent paper feed and alignment. The 190mm outer diameter offers a stable fit for large rotating components.
Automotive vs Aerospace: Applications of 71928 ACD/P4A Bearing
In automotive testing equipment, 71928 ACD/P4A Bearing provides precise measurements for engine components. Its temperature range suits both lab and dyno testing conditions.
Aerospace systems benefit from 71928 ACD/P4A Bearing’s lightweight yet robust design. The ABEC-7 tolerance meets strict aviation standards for reliability.
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