Made of hot-rolled round steel of article 45 according to GOST 2590-88. Often called - drive, low-speed, drive, output or main shaft. A drive sprocket of a certain type of conveyor with a bore diameter of 55 mm is mounted on the shaft. In the gearbox, the shaft is mounted in the gear NI.11.11.202. A 315 bearing is installed on the shaft, and a 305 bearing is installed in the shaft.