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The 71905 ACE/P4ATGB is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2430 lbf and spins smoothly at speeds up to 83,000 RPM.
With a 25° contact angle and universal matching design, it offers excellent stability for paired arrangements. The phenolic cage ensures quiet operation and long service life, even in temperatures from -30°C to 110°C.
Its open design allows easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed motors where accuracy is key.
Weighing just 0.12kg, it’s lightweight yet robust, and comes in matched sets of three for versatile mounting options (back-to-back, face-to-face, or tandem).
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Performance Features of 71905 ACE/P4ATGB Bearing
71905 ACE/P4ATGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
The bearing’s P4A tolerance class guarantees high precision, making it suitable for demanding tasks.
With a dynamic radial load capacity of 2430 lbf, it handles rigorous conditions effectively.
71905 ACE/P4ATGB Bearing supports universal matching, offering flexibility in arrangement configurations.
Its maximum speed of 83,000 rpm ensures efficient performance in high-speed applications.
Industrial Uses of 71905 ACE/P4ATGB Bearing
71905 ACE/P4ATGB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The universal matching feature allows flexible arrangement in back-to-back or face-to-face configurations.
Where Is 71905 ACE/P4ATGB Bearing Used?
You’ll often find 71905 ACE/P4ATGB Bearing in automotive transmissions, where its light preload and high-speed capability reduce friction and improve efficiency. The phenolic cage also helps dampen vibrations for smoother operation.
Built for Heavy-Duty Use: 71905 ACE/P4ATGB Bearing
71905 ACE/P4ATGB Bearing handles radial loads well in robotics, particularly in articulated arms requiring precise movement. Its chrome steel construction offers durability even in demanding industrial environments.
Medical vs Industrial: Where 71905 ACE/P4ATGB Bearing Excels
In medical imaging devices, 71905 ACE/P4ATGB Bearing provides quiet, low-friction performance for sensitive equipment. Meanwhile, its high-speed tolerance makes it equally suitable for industrial automation systems.
Practical Applications of 71905 ACE/P4ATGB Bearing
71905 ACE/P4ATGB Bearing works reliably in 3D printers, where its P4A tolerance class ensures precise layer alignment. The open design simplifies lubrication maintenance for long-term use.
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