| 摘要 |
PROBLEM TO BE SOLVED: To prevent a lubricant from leaking out.SOLUTION: A bearing device comprises: a rolling bearing 102 including an outer ring 102c and an inner ring 102a; a shaft 101 fixed to the inner ring 102a; and a sleeve 104 fixed to the outer ring 102c. At least one end part of the shaft 101 is provided with a flange part 105. The flange part 105 comprises: a disk part 105a that radially extends outward from the shaft 101; and a cylindrical part 105b that axially extends from the disk part 105a. The cylindrical part 105b is located on the outside of the outer ring 102c, and a labyrinth gap bent at two positions is formed by gaps 107, 108, and 109. |
