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The 71901 ACEGA/HCP4A is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 6mm, made from high-quality chrome steel and ceramic balls. It handles radial loads up to 457 lbf and spins at impressive speeds up to 140,000 RPM.
Its open design and phenolic cage ensure smooth operation, while the extra light preload (Class A) minimises friction. The bearing works reliably in temperatures from -30°C to 110°C.
This model is interchangeable with SKF bearings and comes in a universal matching set of two, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tool spindles or precision instruments.
Weighing just 0.009kg, it’s lightweight yet durable, with a P4A tolerance class for exceptional accuracy. The ceramic balls reduce wear and extend service life.
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Performance Features of 71901 ACEGA/HCP4A Bearing
71901 ACEGA/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 140,000 rpm.
The phenolic cage maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 457 lbf, it handles demanding tasks reliably.
71901 ACEGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its extra light preload design enhances performance in precision instruments.
The open seal type allows for easy lubrication, ensuring long-lasting operation.
Weighing just 0.009 kg, it is ideal for applications where weight is a concern.
Industrial Uses of 71901 ACEGA/HCP4A Bearing
71901 ACEGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC machining.
What Makes 71901 ACEGA/HCP4A Bearing a Preferred Choice?
In robotics, 71901 ACEGA/HCP4A Bearing excels in articulated arms due to its angular contact design, handling combined radial and axial loads smoothly. The extra light preload also minimises vibration, enhancing movement precision.
Perfect Fit for Automation: 71901 ACEGA/HCP4A Bearing
This bearing suits 3D printers, where its 140,000 rpm max speed supports rapid print head movements. The chrome steel rings and ceramic balls offer durability without compromising on lightweight performance.
Medical vs Industrial: Where 71901 ACEGA/HCP4A Bearing Excels
For medical imaging devices, 71901 ACEGA/HCP4A Bearing’s low-noise operation is ideal, while its industrial-grade materials withstand continuous use in production lines. The open design simplifies lubrication in both settings.
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