TY JOUR TI CALCULATION AND DESIGN METHODS OF METAL-CERAMIC DRY FRICTION BEARINGS OF ELECTRIC MOTORS OF SUBMERSIBLE ELECTRIC MACHINES KW vibroacoustic characteristics KW heat resistance criterion; wear intensity of the rubbing surface KW mechanical characteristics of bearings KW strength criteria KW wear resistance criterion KW linear wear KW and shaft neck sliding speed JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Reva, Y.V. PY 2025 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia