... type:3.pitch of bearing bar:12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50 ... , 60, 60.32, 80, 100 4.pitch of ... chemical plants,oil refineries,steel plants,paper mills,machinery manufacture,cement plants,municipal works,sewage treatment,the pharmaceutical industry etc. ... Pitch of Load bearding flat bars(mm)12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40 ...