... Specification: Bearing bar pitch(mm)12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32 ... See How Our Factory works:12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32 ... , 80, 100 Bearing bar pitch(mm)12.5, 15,25, 30, 30.16 ... , 32.5, 34, 40, 41.25, 45, 50, 60, 60.32 ...