... your requirement.ANSI 140 duplex (28A-2R)industrial roller chain factory bule colorANSI 140 duplex ( ... 28A-2R)industrial roller chain factory1)roller chains: A series(12.7-63.5mm pitches),B series (9.525 ... :2040,2050,2060,20805)leaf chains:LH series,AL series6)stainless steel roller chains7)simplex,double ... :97*72*61cmANSI 140 duplex (28A-2R)industrial roller chain factory export If you are interested ...