The HFL One Way Bearing Series consists of a drawn cup roller clutch and bearing assembly with single rollers. An ending designation or suffix in the part number of KF indicates plastic springs and no suffix indicates and stainless steel springs. Suffix of R indicates a partially knurled outer ring. Bore sizes are available in a range of 3mm to 8mm. A drawn cup needle roller clutch has a small radial section height and is also commonly known as a One Way Bearing or Anti-Reverse Bearing. One Way Bearings are designed to transmit torque between the shaft and housing in one direction and allow free motion in the opposite direction.
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