HRC 12B1 Chain Wheel z=17 with hubcap

Parameters of sprocket 12B1 3/4" Z=17sprocket apex diameter: 111.9 mmsprocket pitch diameter: 103.67 mmhub diameter: 80 mmbore diameter: 16 mmheight: 35 mmtooth thickness: 11.1 mmmaterial: C45 steelnumber of teeth: 17.