Thrust slide bearing

摘要

A thrust sliding bearing ( 1 ) includes an upper casing ( 3 ) having an annular surface ( 2 ); an annular lower casing ( 5 ) which is superposed on the upper casing ( 3 ) so as to be rotatable about an axis (O) of the upper casing ( 3 ) and has an annular surface ( 4 ) opposed to the annular surface ( 2 ) of the upper casing ( 3 ); and an annular thrust sliding bearing piece ( 6 ) and an elastic ring ( 7 ) which are superposed on top of each other and are interposed between the annular surfaces ( 2 ) and ( 4 ).