The ASNU 20 RICH is a robust freewheel clutch designed for reliable overrunning, indexing, and backstopping applications. This sprag clutch allows rotation in a single direction, automatically disengaging when the driven component exceeds the speed of the driver or attempts to rotate in the opposite direction. Its dimensions are 20 mm inner diameter, 52 mm outer diameter, and 21 mm width, with a weight of approximately 0.22 kg. Manufactured in China by RICH.
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