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The 71917 ACB/P4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and handles both dynamic and static radial loads up to 3442 lbf.
With a maximum speed of 20,000 RPM, this bearing is designed for high-performance applications. Its open design and phenolic cage ensure smooth operation and durability, even in temperatures ranging from -30°C to 110°C.
The P4 tolerance class (ABEC-7) guarantees exceptional precision, making it ideal for demanding machinery. Weighing 0.57kg, it’s a robust yet lightweight choice for applications like spindles or high-speed tools.
This model is interchangeable with SKF bearings, offering a reliable replacement option. Its preload availability adds versatility for various industrial uses.
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Performance Features of 71917 ACB/P4A Bearing
71917 ACB/P4A Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.
Its chrome steel rings and balls ensure durability and precision in high-speed applications.
The phenolic cage maintains ball alignment, reducing friction and wear during operation.
With a maximum speed of 20,000 rpm, it delivers reliable performance in demanding conditions.
71917 ACB/P4A Bearing’s P4 tolerance class guarantees high precision for critical applications.
Its open design allows for easy lubrication, ensuring smooth and efficient performance.
The bearing’s dynamic radial load capacity of 3442 lbf makes it suitable for heavy-duty use.
Its temperature range of -30° to 110°C ensures consistent operation in various environments.
Common Applications of 71917 ACB/P4A Bearing
71917 ACB/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.
In robotics, 71917 ACB/P4A Bearing supports articulated arms that require smooth, precise movements. Its 25° contact angle provides stability under combined radial and axial loads.
For aerospace applications, 71917 ACB/P4A Bearing’s P4 tolerance class meets the strict requirements for navigation systems. The chrome steel construction offers durability in varying temperature conditions.
Automotive testing equipment often relies on 71917 ACB/P4A Bearing for its ability to handle high rotational speeds. The open design allows for easy lubrication, extending service life.
In medical imaging devices, 71917 ACB/P4A Bearing ensures quiet and vibration-free operation. Its precision engineering makes it ideal for sensitive diagnostic machinery.
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