... chain standard sizesSizePitchRoller diameterTensile strengthWorking load250.250 in (6.35 mm)0.130 in (3.30 mm)781 lb (354 ... kg)480 lb (220 kg)410.500 in (12.70 mm)0.306 in (7.77 mm)1,500 lb ( ... ,800 lb (3,100 kg)1401.750 in (44.45 mm)1.000 in (25.40 mm)38,280 lb (17 ... 900 lb (5,400 kg)1802.250 in (57.15 mm)1.460 in (37.08 mm)63,300 lb ... 000 lb (7,300 kg)2403.000 in (76.20 mm)1.875 in (47.63 mm)112,500 lb ...