... .Max speed: limit:5m/s bearing bushing,self-lubricating bearing bush1.Series:SF-1,SF-2 ... ,FB090,JDB,FZ,JF800,FB09G2.Bushing :DU,DX,Bronze Bushing, Cast-Iron Embedded Bushing ... mm24.Max speed: limit:5m/s1. DU Self-Lubricating bushing (1) Feature: a steel backing, a ... and forests machines ,etc DX boundary lubrication Bushing(1) Feature: steel as backing, sintered ...