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The 71902 ACE/HCP4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm. Made from chrome steel and ceramic balls, it offers smooth operation and durability.
It handles radial loads up to 691 lbf and can reach speeds of 127,000 RPM, making it suitable for high-performance applications. The 25° contact angle ensures efficient load distribution.
The open design allows for easy lubrication, while the phenolic cage provides stability at high speeds. Its P4 tolerance class ensures precise performance in demanding conditions.
Ideal for use in precision machinery like spindles or dental tools, where accuracy and speed are crucial. Weighing just 0.013kg, it’s lightweight yet robust for its size.
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Performance Features of 71902 ACE/HCP4A Bearing
71902 ACE/HCP4A Bearing features a 25° contact angle, optimised for angular contact loads.
Its chrome steel rings and ceramic balls enhance durability and reduce friction.
The phenolic cage maintains ball alignment, ensuring smooth operation at high speeds.
With a maximum speed of 127,000 rpm, it excels in precision applications.
71902 ACE/HCP4A Bearing’s P4 tolerance class guarantees consistent performance.
Its dynamic radial load capacity of 691 lbf makes it suitable for demanding tasks.
The open design allows for easy lubrication, extending service life.
Operating between -30° to 110°C, it performs reliably in varied conditions.
Common Applications of 71902 ACE/HCP4A Bearing
71902 ACE/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4 tolerance ensures precise operation in demanding industrial environments.
In robotics, 71902 ACE/HCP4A Bearing provides smooth angular contact for articulated arms, thanks to its 25° contact angle. Its compact size makes it ideal for space-constrained designs without sacrificing performance.
For dental handpieces, 71902 ACE/HCP4A Bearing’s high-speed capability (up to 127,000 rpm) ensures reliable operation during procedures. The chrome steel rings offer durability, while the open design allows for easy cleaning and maintenance.
Where Is 71902 ACE/HCP4A Bearing Used?
You’ll often find 71902 ACE/HCP4A Bearing in precision spindles for CNC machines, where its ABEC-7 rating guarantees accuracy. The lubricated design also extends service life in continuous operation.
In optical equipment like lens positioning systems, 71902 ACE/HCP4A Bearing’s minimal vibration helps maintain image clarity. Its ceramic balls are less prone to wear, even with frequent adjustments.
Built for Heavy-Duty Use: 71902 ACE/HCP4A Bearing
71902 ACE/HCP4A Bearing handles radial and axial loads efficiently in pump systems, thanks to its angular contact design. The phenolic cage resists corrosion, making it suitable for wet environments.
For small electric motors, 71902 ACE/HCP4A Bearing’s lightweight construction (only 13g) reduces inertia. Its preload option further enhances stability in high-RPM applications.
Automotive vs Aerospace: Applications of 71902 ACE/HCP4A Bearing
In automotive turbochargers, 71902 ACE/HCP4A Bearing withstands extreme speeds and temperatures. The ceramic balls prevent heat-related expansion issues common in metal alternatives.
For aerospace instrumentation, 71902 ACE/HCP4A Bearing’s precision ensures reliable data collection. Its compact 15mm bore fits neatly into tight avionics housings.
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