Double-working-condition bearing testing tool

The utility model relates to the technical field of testing tools, in particular to a double-working-condition bearing testing tool, which can be used for testing bearings with different diameters and comprises a tool shell, a cross-shaped fixing shaft is arranged at the rear end of the tool shell, a limiting column is arranged at the rear end of the cross-shaped fixing shaft, and bearing limiting pieces are arranged on each edge of the cross-shaped fixing shaft. A square groove is formed in the rear portion of each bearing limiting piece, cylindrical fixing blocks are arranged at the front end and the rear end of each bearing limiting piece, a first fixing groove is formed in the front portion of the cross-shaped fixing shaft, a rotating shaft is arranged at the front end of the cross-shaped fixing shaft, and cross-shaped fixing frames are arranged at the front end and the rear end of the tool shell. Each cross-shaped fixing frame is provided with a plurality of cylindrical fixing grooves, a transmission con