| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling bearing device of grease lubrication type capable of eliminating inconvenience such that the agitating resistance of rolling elements enlarges in case the grease is replenished anew. SOLUTION: According to the rolling bearing device and a lubricating method for it, not the grease G itself but its base oil 30 is solely replenished to the rolling bearing device 1, so that an increase in the amount of a thickening agent will never occur, and the rise of the agitating resistance of the balls 8 can be suppressed, and at the same time, in particular the conventional inconvenience such as heat emission etc. associated with a shorter lifetime of the grease G in the bearing used in a high speed operation can easily be eliminated. COPYRIGHT: (C)2005,JPO&NCIPI
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