TY JOUR TI INFLUENCE OF PRELIMINARY DISPLACEMENT IN THE CONTACT ZONE ON THE SLIDING BEARING NORMAL OPERATION KW sliding bearing KW contact KW preliminary displacement KW friction KW friction factor KW rigidity factor KW surface roughness KW normal operation JO Bulletin of KSAU AU Menovshchikov, V.A. AU Shchelkanov, S.I. AU Kaygorodov, A.S. AU Sharonov, A.A. PY 2012 IS PB Krasnoyarsk State Agrarian University