A new series of 18 unidirectional roller clutches from Quality Bearings & Components are ideal for indexing, backstopping and overrunning applications. These roller clutches transmit torque load in one direction. They overrun freely in the opposite direction. Either the shaft or the housing can be the driving member. The company offers 6 inch and 12 metric sizes to fit shafts ranging from 1/8" to 3/4" (4 mm to 35 mm) in diameter. These lightweight, low profile clutches can operate at a high indexing frequency of up to 4 CPS. The O.D. of these clutches range from 9/32" to 1" (8 mm to 42 mm). The units consist of stainless steel springs, 52100 hardened chrome steel needle bearings, case hardened steel roller cup, and a Nylon 66 Cage.

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