... proved 1.Grating Specification: Bearing bar pitch(mm)12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50 ... application):5.To 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 ...