| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve quietness of an appliance motor, and to attain energy conservation.SOLUTION: A rolling bearing includes an outer ring 1, an inner ring 2, and a rolling body 3 rotatably disposed between the outer ring 1 and the inner ring 2; and supports a motor rotational shaft. In the rolling bearing, the inner diameter of the inner ring 2 is 0.8-3 mm, the pitch diameter of the rolling body 3 is 4.5 mm or more and less than 6 mm, and the thickness of the outer ring 1 is 3-7 times of the thickness of the inner ring 2. A motor for a sleep device employs the rolling bearing.</p> |
