Elevator traction wheel external tooth bearing testing machine

The utility model discloses an elevator traction wheel external tooth bearing testing machine. Including a machine frame, the hollow fixed shaft is used for sleeving an inner ring of the external gearbearing; wherein the cantilever rotating shaft is used for clamping and driving an outer ring of the external tooth bearing to rotate, the radial loading device is used for extruding the outer circumference of the hollow fixed shaft in the radial direction, the axial loading device is used for extruding the end face of the side, away from the cantilever rotating shaft, of the hollow fixed shaft in the axial direction, and the measuring device is used for measuring and transmitting operation data of the external tooth bearing. The hollow fixed shaft and the cantilever rotating shaft are horizontally arranged and have overlapped axes; an inner gear ring sleeve for clamping an outer ring of the outer gear bearing is arranged at one end, close to the hollow fixed shaft, of the cantilever rotating shaft; a belt pulley