| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a rolling bearing device capable of continuously supplying base oil inside a rolling bearing over a long period by improving the efficiency of exuding the base oil from lubricant, thus achieving a longer service life.SOLUTION: A rolling bearing device 1 includes a rolling bearing 3, and a lubricant reservoir 19 formed in an outer ring spacer 12. In the lubricant reservoir 19, lubricant GL including the base oil, gelatinizer and water is stored and arranged. The lubricant GL has a uniform base oil concentration, and the base oil concentration is 40-50 wt.%.</p> |
