Patent ID: 8016489

Claim:
A sliding bearing comprising: an upper casing having an annular lower surface; a lower casing which is superposed on said upper casing so as to be rotatable about an axis of said upper casing and has an annular upper surface opposed to the annular lower surface of said upper casing; an annular thrust sliding bearing piece disposed in an annular space between the annular lower surface and the annular upper surface; and seal means disposed on at least one of an outer peripheral side and an inner peripheral side of the annular space, wherein said seal means includes a plurality of through holes formed in at least one of an outer peripheral side and an inner peripheral side of said lower casing, an annular fitting portion which is inserted into the plurality of through holes so as to be fitted to said lower casing, and a flexible thin-walled annular projecting edge portion which is formed on the annular fitting portion and is brought into sliding contact with said upper casing so as to seal at least one of the outer peripheral side and the inner peripheral side of the annular space.