HRC 12B1 sprocket-wheel z=20 with hubcap

Parameters of sprocket 12B1 3/4" Z=20sprocket apex diameter: 129.7 mmsprocket pitch diameter: 121.78 mmhub diameter: 80 mmbore diameter: 16 mmheight: 35 mmtooth thickness: 11.1 mmmaterial: C45 steelnumber of teeth: 20.