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The 71903 ACE/HCP4ADT is a super precision angular contact ball bearing with a 17mm bore and 30mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and comes in a matched set of two bearings for balanced performance.
This bearing handles radial loads up to 1170 lbf and reaches speeds of 121,000 RPM, thanks to its ceramic balls and phenolic cage. Its open design allows for easy lubrication, ensuring smooth operation.
Preloaded for precision, it’s ideal for high-speed applications like machine tool spindles or dental drills. The bearing operates efficiently in temperatures from -30°C to 110°C.
Weighing just 0.028kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings, making it a reliable choice for replacements.
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Performance Features of 71903 ACE/HCP4ADT Bearing
71903 ACE/HCP4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.
The phenolic cage ensures smooth operation, even at high speeds up to 121,000 rpm.
This bearing is preloaded and comes in a matched set of two for improved stability.
With a dynamic radial load capacity of 1170 lbf, it handles demanding tasks efficiently.
The P4A tolerance class guarantees precision performance in critical applications.
Its compact size (17 mm×30 mm×14 mm) makes it suitable for space-constrained installations.
The open design allows for easy lubrication, ensuring long service life.
Common Applications of 71903 ACE/HCP4ADT Bearing
71903 ACE/HCP4ADT Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The matched arrangement ensures stability in demanding industrial settings.
In robotics, 71903 ACE/HCP4ADT Bearing supports articulated arms, providing the necessary angular contact for precise movements. Its phenolic cage offers lightweight durability, ideal for repetitive tasks.
For aerospace components, 71903 ACE/HCP4ADT Bearing’s P4A tolerance class guarantees accuracy in navigation systems. The open design allows for easy lubrication, extending service life in critical applications.
Medical imaging devices benefit from 71903 ACE/HCP4ADT Bearing’s low-noise performance, ensuring clear results. The ceramic balls also minimise heat generation, crucial for sensitive equipment.
In automotive testing rigs, 71903 ACE/HCP4ADT Bearing handles high radial loads with ease. Its preload option enhances rigidity, making it suitable for dynamic performance evaluations.
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