| 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 of the upper casing 3; an annular thrust sliding bearing piece 7 disposed in an annular space 6 between the annular lower surface 2 and the annular upper surface 4; seal means 8 disposed on an outer peripheral side of the annular space 6; and seal means 9 disposed on an inner peripheral side of the annular space 6. |
