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The 71904 ACD/P4ATT is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2790 lbf and spins smoothly at speeds up to 75,000 RPM.
With a 25° contact angle and phenolic cage, it offers stable performance under angular loads. The open design allows for easy lubrication, while the P4A tolerance ensures high precision.
This set includes three matched bearings, ideal for applications requiring tight alignment, such as machine tool spindles or high-speed robotics. It operates reliably in temperatures from -30°C to 110°C.
Weighing just 0.11kg, it’s lightweight yet robust for precision tasks. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades.
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Performance Features of 71904 ACD/P4ATT Bearing
71904 ACD/P4ATT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 2790 lbf.
The phenolic cage ensures smooth operation, even at high speeds of 75,000 rpm.
Preload availability and P4A tolerance class make it suitable for precision tasks.
With a temperature range of -30°C to 110°C, 71904 ACD/P4ATT Bearing performs reliably in varied conditions.
Its matched arrangement of three bearings ensures stability in demanding setups.
The open design allows easy lubrication, reducing maintenance needs.
Weighing just 0.11 kg, it balances strength and lightweight efficiency.
Key Fields for 71904 ACD/P4ATT Bearing
71904 ACD/P4ATT Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.
In robotics, 71904 ACD/P4ATT Bearing provides stability in articulated arms, thanks to its matched arrangement and preload capability. This setup minimises play, enhancing repeatability in automated tasks.
For medical imaging devices, 71904 ACD/P4ATT Bearing’s P4A tolerance class guarantees smooth motion in sensitive components. Its chrome steel construction also resists wear in frequent-use scenarios.
Where Is 71904 ACD/P4ATT Bearing Used?
You’ll often find 71904 ACD/P4ATT Bearing in CNC machining centres, where its 25° contact angle handles combined loads efficiently. The open seal design simplifies relubrication during maintenance.
In electric vehicle motors, 71904 ACD/P4ATT Bearing supports high RPM requirements while maintaining low noise levels. Its metric sizing ensures compatibility with European and Asian motor designs.
Optimized for Performance: 71904 ACD/P4ATT Bearing
71904 ACD/P4ATT Bearing excels in aerospace applications, such as actuator systems, due to its lightweight phenolic cage and precision tolerances. The matched set configuration ensures consistent performance.
For laboratory centrifuges, 71904 ACD/P4ATT Bearing’s ability to handle dynamic radial loads makes it a reliable choice. Its temperature range suits both ambient and controlled environments.
Automotive vs Aerospace: Applications of 71904 ACD/P4ATT Bearing
In automotive transmissions, 71904 ACD/P4ATT Bearing manages angular loads with minimal heat generation. The lubricated design extends service life even under continuous use.
Aerospace applications leverage 71904 ACD/P4ATT Bearing for flight control systems, where its P4A precision ensures reliable operation. The chrome steel balls withstand rigorous vibration and stress.
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