... 1.Galvanized sheet 2.Bearing Bar pitch:30,40,60mm 3.Cross Bar pitch:50,100mm 4.Hot-dipped galvanized ... of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;the specification of I- ... (11-w-4), (8-w-4) and so on.>3) Cross Bar Pitch / center to center:38, 50, 76, ... PitchCrossBar PitchSpecification of bearing bar load( width × thickness )20×325×332×340×320×525×5130100G203/30/100G253/30/100G323 ...