... 's requirements.1) Bearing Bar (Load Bar) Specifications (mm): The specification of plain type and serrated type bearing bar ... 75 x 7 x 4, etc.2) Bearing Bar Pitch (center to center): 12.5, 15, 25, 30, 30.16, 32 ... .5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc ... /16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1 ... /4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. ...