... :140/mm2 3.Max speed: limit:5m/s bearing bushing,self-lubricating bearing bush1.Series:SF-1,SF-2,FB090,JDB,FZ,JF800,FB09G2 ... ,automobiles agri machines and forests machines ,etc DX boundary lubrication Bushing(1) Feature: steel as backing, sintered bronze spherical powder as interlayer, and ...