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The 71904 ACD/P4ATBTC 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 100,500 RPM.
Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.
Preloaded for moderate stiffness (Class C), this bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It operates reliably in temperatures from -30°C to 110°C.
Weighing just 0.11kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement. The open design allows for straightforward lubrication maintenance.
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Performance Features of 71904 ACD/P4ATBTC Bearing
71904 ACD/P4ATBTC 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 100,500 rpm.
This bearing is preloaded moderately for stability, making it suitable for precision tasks.
With a temperature range of -30°C to 110°C, 71904 ACD/P4ATBTC Bearing performs reliably in varied conditions.
Its open design allows for easy lubrication, reducing maintenance needs.
The matched arrangement of three bearings ensures balanced performance in demanding setups.
Tolerance class P4A guarantees high precision, ideal for critical applications.
Key Fields for 71904 ACD/P4ATBTC Bearing
71904 ACD/P4ATBTC Bearing is commonly 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/P4ATBTC Bearing supports articulated arms, providing smooth movement and load distribution. Its matched arrangement of three bearings enhances stability in dynamic applications.
For medical imaging devices, 71904 ACD/P4ATBTC Bearing offers reliable performance due to its chrome steel construction. The open design allows for easy lubrication, extending service life in critical environments.
Automotive applications like electric motor shafts benefit from 71904 ACD/P4ATBTC Bearing’s moderate preload and high-speed capability. The metric dimensions ensure compatibility with various European and Asian designs.
In 3D printers, 71904 ACD/P4ATBTC Bearing contributes to precise linear motion, thanks to its P4A tolerance class. The lightweight phenolic cage also minimises inertia for better responsiveness.
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