bearing bushing 1.Series:SF-1,SF-2,FB090,JDB,FZ, ... :140/mm2 3.Max speed: limit:5m/s bearing bushing,self-lubricating bearing bush1.Series:SF-1,SF-2,FB090,JDB,FZ ... sintered with Cupb10sn10 as lining layer.(2) Application: suitable for where is middle speed and high impact etc. FB09G ............ bearing bushing(SF ...