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The 71905 ACD/P4ATBTB 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 spins smoothly at speeds up to 53,000 RPM.
Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.
This bearing is preloaded lightly (Class B) for reduced vibration, ideal for machine tools or spindle drives. It operates in temperatures from -30°C to 110°C and comes lubricated for immediate use.
Weighing just 0.13kg, it’s a lightweight solution for demanding setups. The P4A tolerance class guarantees exceptional accuracy, while being interchangeable with SKF bearings for easy replacement.
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Performance Features of 71905 ACD/P4ATBTB Bearing
71905 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability while maintaining high-speed performance up to 53,000 rpm.
The phenolic cage minimises friction and wear, contributing to smooth operation.
With a dynamic radial load capacity of 3105 lbf, it handles demanding tasks reliably.
Three matched bearings in a TBT arrangement provide enhanced stability.
The light preload (Class B) ensures consistent performance without excessive rigidity.
Operating between -30°C to 110°C, 71905 ACD/P4ATBTB Bearing suits various environments.
Its P4A tolerance class guarantees precision for critical applications.
Industrial Uses of 71905 ACD/P4ATBTB Bearing
71905 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability for demanding industrial applications.
In robotics, 71905 ACD/P4ATBTB Bearing supports articulated arms, offering smooth movement and reliable performance. Its phenolic cage reduces friction, making it suitable for high-speed operations.
For medical imaging devices, 71905 ACD/P4ATBTB Bearing’s chrome steel construction ensures durability and precision. The light preload helps maintain consistent performance in sensitive equipment.
Automotive vs Aerospace: Applications of 71905 ACD/P4ATBTB Bearing
In automotive systems, 71905 ACD/P4ATBTB Bearing is ideal for gearboxes, where its high-speed capability enhances efficiency. The metric sizing ensures compatibility with various vehicle designs.
Aerospace applications benefit from 71905 ACD/P4ATBTB Bearing’s precision and reliability in avionics systems. Its temperature range makes it suitable for both ground and flight conditions.
Where Is 71905 ACD/P4ATBTB Bearing Used?
You’ll find 71905 ACD/P4ATBTB Bearing in 3D printers, where its precision ensures smooth layer deposition. The open seal design allows for easy lubrication and maintenance.
It’s also a great fit for electric motors, providing reliable performance under angular loads. The phenolic cage material helps reduce wear over time.
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