| 摘要 |
A sliding bearing 1 includes an upper casing 3 having an annular lower surface 2; a 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 upper surface 4 opposed to the annular lower surface 2; an annular thrust sliding bearing piece 6 disposed in an annular space 36 between the annular lower surface 2 and the annular upper surface 4; and a seal means 38 disposed on an outer peripheral side of the annular space 36.
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