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The 71905 ACEGA/HCP4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, measuring just 9mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.
This bearing handles radial loads up to 1141 lbf and spins at speeds up to 83,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability under stress.
With a 25° contact angle and extra light preload, it provides precise movement and low friction. The open design allows for easy lubrication and maintenance.
Ideal for machine tools, spindles, or other high-speed equipment requiring accuracy. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups. Compliant with P4A tolerance standards for reliable performance.
Weighing only 0.036kg, it’s lightweight yet robust, and operates in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.
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Performance Features of 71905 ACEGA/HCP4A Bearing
71905 ACEGA/HCP4A 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 at high speeds, up to 83,000 rpm.
This bearing is lubricated for consistent performance across a temperature range of -30°C to 110°C.
With a dynamic radial load capacity of 1141 lbf, it handles demanding conditions reliably.
The P4A tolerance class guarantees precision in high-speed applications.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face.
The lightweight design at 0.036 kg ensures easy integration without compromising strength.
Key Fields for 71905 ACEGA/HCP4A Bearing
71905 ACEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The extra light preload ensures smooth operation in precision grinding applications.
In robotics, 71905 ACEGA/HCP4A Bearing supports articulated arms, providing the necessary angular contact for precise movements. Its P4A tolerance class makes it ideal for tasks requiring high positional accuracy.
For dental drills, 71905 ACEGA/HCP4A Bearing offers reliable performance due to its chrome steel rings and ceramic balls. The open design allows for easy lubrication, extending service life in demanding medical environments.
Automotive vs Aerospace: Applications of 71905 ACEGA/HCP4A Bearing
In automotive systems, 71905 ACEGA/HCP4A Bearing is found in turbochargers, where its high-speed capability handles rapid rotations efficiently. The 25° contact angle helps manage combined loads effectively.
Aerospace applications benefit from 71905 ACEGA/HCP4A Bearing’s lightweight design and ability to withstand extreme temperatures. Its universal matching feature allows for flexible configurations in aircraft control systems.
Built for Heavy-Duty Use: 71905 ACEGA/HCP4A Bearing
71905 ACEGA/HCP4A Bearing performs well in industrial pumps, handling both radial and axial loads with ease. The phenolic cage resists corrosion, making it suitable for wet environments.
For 3D printers, 71905 ACEGA/HCP4A Bearing ensures smooth linear motion in high-precision extruders. Its ceramic balls minimise wear, maintaining accuracy over long print runs.
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