... AS is a sprag type freewheel supported by bearing, its construction is same as our WOK,good mobility and lower noise 1.cam clutch is ... freewheel supported by bearing, its construction is same as our WOK,good mobility and lower noise than As roller type freewheel. 2.Bearings ... .36WAS(NSS)12103,2004,80032100.60.60.040.48WAS(NSS)15 2,8004,30035110.60.80.050.70WAS(NSS)20322,2003 ...