HRC 12B-2 Chain Wheel Z=17 with hub

Parameters of sprocket 12B2 3/4" Z=17sprocket apex diameter: 111.5 mmsprocket pitch diameter: 103.67 mmhub diameter: 83 mmbore diameter: 20 mmheight: 50 mmtooth thickness: 11.1 mmmaterial: C45 steelnumber of teeth: 17.