The invention discloses a conveying rail for a feeding device of a bearing marking machine. The conveying rail comprises a frame, a motor, a longitudinal adjusting plate, a fixing plate, a transverse adjusting plate, a transmission shaft, a first gear, a second gear, a push mechanism, a first connecting frame and a second connecting frame, the fixing plate is arranged on a platform of the frame, the motor and the transmission shaft are arranged below the platform of the frame, the first connecting frame and the first gear are arranged on a rotating shaft of the motor, the first gear is arranged in the rear of the first connecting frame, the first connecting frame penetrates the platform of the frame, the longitudinal adjusting plate is arranged above the platform of the frame, the second gear and the second connecting frame are arranged on the transmission shaft, the second gear is meshed with the first gear, the second connecting frame penetrates the platform of the frame, and the transverse adjusting plate and the push mechanism are arranged above the platform of the frame. Compared with the prior art, the conveying rail can be conveniently adjusted, time is saved, workload of workers is decreased, damage of a bearing is avoided, product quality is kept, and conveying stability is fine.