| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing device of simple construction capable of automatically replenishing a lubricant in accordance with the rotating speed of a bearing. SOLUTION: The bearing device 10 is equipped with a base oil 30 and an outer ring spacer 20 having an accommodation chamber 29 which houses a holding member 33 for holding the base oil 30. The accommodation chamber 29 is furnished with a nozzle in communication with the chamber 29 and accepting the air flowing with rotation of an inner ring member 14 and another nozzle in communication with the chamber 29 and spouting the base oil 30 in the chamber 29 toward the bearing with the aid of the air sucked by the nozzle. COPYRIGHT: (C)2009,JPO&INPIT
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