| 摘要 |
PROBLEM TO BE SOLVED: To surely and stably fix and support a ball bearing without assembling loss. SOLUTION: This bearing device is so constructed that a roller bearing 13 for supporting radial load and a ball bearing 11 which has a designated clearance from a bearing bracket 3 and supports thrust load are combined and fixed and supported on a rotating shaft 5 passed through the bearing bracket 3. A ring-like energizing member 7 disposed on the outer ring part 17, 23 side outside the roller bearing 13 and the ball bearing 11 and a ring-like spacer 9 disposed on the inner ring part 15, 27 side inside thereof are provided between the roller bearing 13 and the ball bearing 11, and the ball bearing 11 is fixed and supported by energizing force of the energizing member 7.
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