Made of hot-rolled round steel of steel grade 45 according to GOST 2590-88. Often called - drive, low-speed, leading, 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 TSN.02.605 gear. There are 2,412 bearings on the shaft.