Bearing centering mechanism and motor with same

The utility model relates to a bearing centering mechanism and a motor with the same, the bearing centering mechanism comprises a shell structure and a seat body assembly, the shell structure comprises a cylindrical accommodating space, and the accommodating space is arranged in the shell structure in a penetrating manner. The seat body assembly comprises a first seat body and a second seat body, the first seat body and the second seat body are arranged at the two ends of the containing space respectively, the first seat body and the second seat body partially extend into the containing space to make contact with the inner wall of the containing space, a first bearing is arranged in the first seat body, and a second bearing is arranged in the second seat body. The first seat body and the second seat body extend into the containing space from the two ends of the containing space respectively and make contact with the inner wall of the containing space for positioning, positioning of the first bearing and the s