... to 100 x 62).Bearing bar pitches maybe12.5,15,25, 30,34,40,50,60,80mm,of which 30 and ... bearing bar can be plain, serratted and I bars.5).Material can be Q235(mild steel), stainless steel.6). ... . ------------------------------------------------------------------------------------------------------------------Grating Dimension Bearing bar pitch(mm)12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, ...