FIELD: machine building.
SUBSTANCE: invention relates to machine building and can be used in rotating, high-loaded rotor machines. Combined bearing contains housing and installed in it bearing and roller bearing, arranged in parallel to shaft surface. Roller bearing is installed on the conical section of the shaft through a sleeve with inner conical surface with the possibility of displacement relative to the shaft in axial direction under action of linear piezo drives, installed in the housing and connected to power supplies.
EFFECT: improve of dynamic characteristics, increase of reliability and resource of "rotor-support" system due to turning on and turning off the roller bearing under action of linear piezo drives.
1 cl, 2 dwg
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