| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing device which can prevent a reduction in the quantity of lubricating oil stored in the lower portion side of a housing storing a rolling bearing, in the rolling bearing device for performing oil-air lubrication of the rolling bearing.SOLUTION: The rolling bearing device 10 includes: a rolling bearing 12 for rotatably supporting a rotary shaft 11; a housing 13 for accommodating the rolling bearing 12; and a lubricating means 14 equipped with a supply part for supplying oil-air to the housing 13. The housing 13 includes: a supply port 21 for supplying the oil-air; and a discharge port 22 capable of discharging compressed air contained in the oil-air, wherein the lubricating oil is stored in the lower portion side of the housing 13. The lubricating means 14 includes a control unit 26 which stops the supply of the oil-air with the supply part 25 during the rotation of the rotary shaft 11 and performs the supply of the oil-air with the supply part 25 during the stoppage of the rotary shaft 11. |
