... :140/mm2 3.Max speed: limit:5m/s bearing bushing,self-lubricating bearing bush1.Series:SF-1,SF-2,FB090,JDB,FZ ... lining layer.(2) Application: auto chassis, forging machine, metallurgical and mining machine, civil engineering, power station, strip rolling industries, etc FB090 ... for where is middle speed and high impact etc. FB09G ............ bearing bushing(SF-1,SF-2,FB090,JDB,FZ,JF800,FB09G...)