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The 71905 ACD/P4ADBA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.
This bearing handles radial loads up to 2340 lbf and spins smoothly at speeds up to 103,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.
The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is crucial.
Weighing just 0.084kg per bearing, this matched set offers lightweight yet robust performance. Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for precision engineering needs.
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How Is 71905 ACD/P4ADBA Bearing Engineered for Reliability?
71905 ACD/P4ADBA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls provide durability, while the phenolic cage ensures smooth operation at high speeds.
With a dynamic radial load capacity of 2340 lbf, it delivers consistent performance in precision applications.
The extra light preload (Class A) enhances stability, making it suitable for high-speed operations up to 103,000 rpm.
Industrial Uses of 71905 ACD/P4ADBA Bearing
This bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The matched arrangement of two bearings provides stability in demanding industrial environments.
In automotive applications, 71905 ACD/P4ADBA Bearing works well in gearboxes and electric motors, thanks to its extra light preload and high-speed capability. The chrome steel construction offers durability under continuous use.
For automation systems, 71905 ACD/P4ADBA Bearing is a reliable choice for robotic arms and CNC machinery. Its phenolic cage reduces friction, making it suitable for smooth, high-speed operations.
Medical imaging devices also benefit from 71905 ACD/P4ADBA Bearing’s precision and low vibration. The open design allows for easy lubrication, ensuring long-term reliability in critical equipment.
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