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The 71904 ACD/HCP4ATBTA is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 2790 lbf and spins smoothly at speeds up to 100,500 RPM.
Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for high-precision applications. The phenolic cage and extra-light preload ensure quiet, efficient operation.
This bearing is ideal for CNC spindles or high-speed machinery where accuracy is crucial. It operates in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.
Weighing just 0.099kg, it’s lightweight yet robust. The P4A tolerance class guarantees precision performance, interchangeable with SKF equivalents.
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How Does 71904 ACD/HCP4ATBTA Bearing Achieve Super Precision?
71904 ACD/HCP4ATBTA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, ensuring smooth operation at speeds up to 100,500 rpm.
The phenolic cage maintains ball alignment, enhancing durability and performance.
With a dynamic radial load capacity of 2790 lbf, it handles demanding tasks reliably.
Essential Roles of 71904 ACD/HCP4ATBTA Bearing
71904 ACD/HCP4ATBTA Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The matched arrangement of three bearings ensures stability in demanding applications.
Where Is 71904 ACD/HCP4ATBTA Bearing Used?
You’ll find 71904 ACD/HCP4ATBTA Bearing in automotive transmissions, where its angular contact design handles combined loads effectively. The phenolic cage adds durability, making it suitable for high-performance environments.
Optimized for Performance: 71904 ACD/HCP4ATBTA Bearing
In robotics, 71904 ACD/HCP4ATBTA Bearing provides the accuracy needed for precise movements in robotic arms. Its extra-light preload ensures minimal resistance, enhancing efficiency.
Light-Duty vs Heavy-Duty: Best Uses for 71904 ACD/HCP4ATBTA Bearing
For light-duty applications like dental drills, 71904 ACD/HCP4ATBTA Bearing offers quiet operation. In heavier uses such as CNC spindles, its chrome steel rings withstand higher loads reliably.
Practical Applications of 71904 ACD/HCP4ATBTA Bearing
71904 ACD/HCP4ATBTA Bearing works well in 3D printers, where its low friction and high-speed capability improve print quality. The open design allows for easy lubrication, extending its lifespan.
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