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The 71905 ACD/P4ATBTA 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 3105 lbf and reaches speeds of 53000 RPM, making it suitable for high-performance applications.
Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability under angular loads. The phenolic cage ensures smooth operation, while the open design allows for easy lubrication.
This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy and speed are crucial. It operates efficiently in temperatures from -30°C to 110°C.
Weighing just 0.13kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial environments. Interchangeable with SKF bearings for easy replacements.
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Performance Features of 71905 ACD/P4ATBTA Bearing
71905 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 3105 lbf, it handles demanding conditions with ease.
Its maximum speed of 53,000 rpm makes it suitable for high-speed operations.
Common Applications of 71905 ACD/P4ATBTA Bearing
71905 ACD/P4ATBTA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload helps minimise friction, making it ideal for smooth operations.
In robotics, 71905 ACD/P4ATBTA Bearing supports articulated arms, providing stability during repetitive movements. Its phenolic cage reduces weight while maintaining durability in automated systems.
For medical imaging devices, 71905 ACD/P4ATBTA Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. The chrome steel construction also ensures long-term reliability in sterile environments.
Automotive applications like electric vehicle motors benefit from 71905 ACD/P4ATBTA Bearing’s high-speed capability. The matched set arrangement further enhances load distribution in compact designs.
In aerospace systems, 71905 ACD/P4ATBTA Bearing handles both radial and axial loads efficiently. Its temperature range makes it suitable for varying operational conditions.
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