... by high-frequency quenching.·The structure,with long axle tube and short axle neck,features light weight,good rigidity and strong ... and paingting,heat treatment,and assembling.·The parts for axle have high interchangeability and easy to maintenance,that will ... under rated loadkm/hScam,brake Series diamerexwidthTrackBmmOuter contour of axle proper mmThe board reed seat center distance B1mmThe center ...