https://www.fertbearing.com/Unidirectional-Clutch-of-Powder-Metallurgy.html Unidirectional Clutch of Powder Metallurgy Wuxi F&T Machinery Co.,Ltd is a needle roller bearings factory. Our needle roller bearings series include metric drawn cup caged needle roller bearings, clutch bearings EWC, 1WC series, unidirectional clutch of powder metallurgy, drawn cup needle roller clutch assemblies-FCB, RCB,drawn cup needle roller clutch and bearing assemblies-HFL,drawn cup needle roller bearings-FC、RC,drawn cup needle roller bearings-HF.