... standards as ISO9001, ANSI, DIN and BS.ANSI B29-1 roller chain standard sizesSizePitchRoller diameterTensile strengthWorking load250.250 in ... )4,880 lb (2,210 kg)1,430 lb (650 kg)600.750 in (19.05 mm)0.469 ... in (11.91 mm)7,030 lb (3,190 kg)1,980 ... kg)3,300 lb (1,500 kg)1001.250 in (31.75 mm)0.750 in (19.05 mm) ... )6,800 lb (3,100 kg)1401.750 in (44.45 mm)1.000 in (25.40 mm)38,280 ...