... ) Bearing Bar Pitch (center to center): 12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60 ... .32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is also ... , 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is ...