TY JOUR TI DETERMINATION ON THE STAND OF THE VIBRATION CHARACTERISTICS OF THE FUNCTIONING OF GEARBOX BEARINGS AND THE INFLUENCE OF OPERATIONAL DEFECTS ON THEM KW VIBRATION DIAGNOSTICS KW MOTOR STAND KW WEAR KW CHARACTERISTIC OF THE ENVELOPE OF THE SPECTRUM KW LOADING MODES JO Voronezh Scientific-Technical Bulletin AU Leliovsky, K.Y. AU Molev, Y.I. PY 2023 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov