Abstract
The article presents the structures of porous slide bearing bushes and greasy lubricants, and the similarity criterion resulting from these structures. A physical model is proposed which describes the operation of the porous slide bearing bush taking into account, via analogy, the phenomena taking place in the greasy lubricant nodes instead of those observed in the bush structures.
Included are the results of experimental tests of three greasy lubricants which allow transferring the results recorded in model experiments to real objects.