Sliding bearing, support or guide of the mechanism or machine in which the friction occurs when sliding mating surfaces. The sliding bearing represents the body having cylindrical opening into which the insert, or the plug from antifriction material and the greasing device is inserted. Between shaft and opening of bearing cup there is gap filled with lubricant which allows to rotate freely to shaft. Calculation of gap, the bearing of the division of friction surfaces working in the mode lubricant layer, is made on the basis of the hydrodynamic theory of lubricant.
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