HRC 12B1 Chain Wheel z=22 with hubcap

Parameters of sprocket 12B1 3/4" Z=22. top diameter of the wheel: 141.8 mm. wheel pitch diameter: 133.86 mm. hub diameter: 90 mm. bore diameter: 20 mm. height: 40 mm. tooth thickness: 11.1 mm. material:C45 steel. number of teeth: 22.