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The 71905 ACDGA/HCP4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from chrome steel for durability. Its compact 9mm width makes it suitable for tight spaces, while the ceramic balls ensure smooth operation.
With a 25° contact angle, it handles radial loads up to 1433 lbf and spins at speeds up to 53,000 RPM. The phenolic cage provides stability, and the open design allows for easy lubrication.
This bearing is ideal for high-precision applications like machine tool spindles or dental equipment. It’s interchangeable with SKF bearings and comes in a set of four for versatile mounting options.
Weighing just 0.039kg, it’s lightweight yet robust, operating in temperatures from -30°C to 110°C. Its universal matching design supports back-to-back, face-to-face, or tandem arrangements.
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Performance Features of 71905 ACDGA/HCP4A Bearing
71905 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent load distribution, making it ideal for angular contact applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 1433 lbf, it handles demanding tasks with ease.
71905 ACDGA/HCP4A Bearing operates smoothly at speeds up to 53,000 rpm, thanks to its superior design.
Its temperature range of -30°C to 110°C ensures reliable performance in various environments.
The P4A tolerance class guarantees exceptional precision for high-performance applications.
Its lightweight design at 0.039 kg makes it suitable for compact and efficient machinery.
Ideal for Precision: 71905 ACDGA/HCP4A Bearing
71905 ACDGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction for smoother operation. The P4A tolerance class ensures consistent performance in precision applications.
In robotics, 71905 ACDGA/HCP4A Bearing supports articulated arms, handling both radial and axial loads with ease. Its lightweight design and high-speed capability make it ideal for repetitive, precise movements.
For dental drills and other medical tools, 71905 ACDGA/HCP4A Bearing’s chrome steel rings provide durability, while the ceramic balls maintain quiet operation. The extra light preload helps minimise vibration during delicate procedures.
Automotive vs Aerospace: Applications of 71905 ACDGA/HCP4A Bearing
In automotive systems, 71905 ACDGA/HCP4A Bearing is often found in turbochargers, where its high-speed tolerance and thermal stability are key. The 25° contact angle efficiently manages combined loads.
Aerospace applications benefit from 71905 ACDGA/HCP4A Bearing’s reliability in flight control systems, where precision and low weight are critical. The ceramic balls also reduce the need for frequent lubrication.
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