| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller bearing which makes a spacer interposed between rollers, wherein the shared use of a spacer is allowed among bearings with different roller lengths and the stirring resistance of lubricating oil during an operation of a bearing can be reduced. SOLUTION: A roller bearing is provided with an outer ring 12, an inner ring 14, a plurality of rollers 16 and spacers 18 interposed between adjacent rollers 16. One end of the spacer 18 is provided with: an expanded part 18a having a surface facing an end surface 16b of the roller 16; and a surface 18d facing a collar side surface of a raceway ring (12 or 14). COPYRIGHT: (C)2007,JPO&INPIT
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