... ,etc.2)Bearing Bar Pitch(center to certer):12.5,15,25,30.16,32.5,34,40,41,25,45,50,60 ... ,60.32,80,100mm etc,also be according to client's requirement and ... ):38,50,76,100,101.6mm etc,also be according to client's requirement and 50,100mm are recommended, America standard is ...