supply of american simplex , heavy duty american simplex sprocket chain (single strand), part no -r160h-1; make-tidc , rolon, tsubaki, diado kogyo, whale or exactly equivalent. specification as under pitch-50.8 0, width between inner plates (w) (min)- 31.55, roller dia (d) (max)- 28.57, bearing pin dia (d) (max)- 14.2 9, plate height - ip (h1) (max)- 48.20, op (h2) (max)- 41.60, plate thickness- ip (t1)- 7.14, op (t2)- 7.14, wi dth over bearing pin (a) (max)- 70.00, width over joint fasteners (b) (max)- 77.90, projected bearing area sq.cm-7.10,avg. weight per metre-10.88 tensile strength (kgf) (min)- 29000 [ warranty period: 12 mont hs after the date of delivery ] ]