... B29-1 roller chain standard sizesSizePitchRoller diameterTensile strengthWorking load250.250 (6.35 )0.130 in (3.30 mm)781 lb ... (64 kg)350.375 in (9.52 mm)0.200 in (5.08 mm)1,758 lb (797 kg ... (22.23 mm)28,100 lb (12,700 kg)6,800 lb (3,100 kg)1401.750 in (44 ... 63,300 lb (28,700 kg)13,700 lb (6,200 kg)2002.500 in (63.50 mm)1.562 ... 22,250 lb (10,090 kg)Update Date:2011-6-23 21:14:11 Roller Chain or Bush Roller ...