| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller bearing capable of being manufactured at a low cost and improving lubricity. SOLUTION: The roller bearing is provided with a plurality of rollers, an inner diameter side retainer 11 retaining the rollers from an inner diameter side, and an outer diameter side retainer retaining the rollers from an outer diameter side. The inner diameter side retainer 11 includes a pair of annular parts 12a, 12b, and a plurality of cage bar parts 13 connecting the pair of the annular parts 12a, 12b to form a plurality of pocket 14 storing the rollers. Each pockets 14 stores the plurality of the rollers, and a projection 15 preventing the plurality of the rollers stored in each rollers 14 from coming off to the inner diameter side is provided on the annular parts 12a, 12b of the inner diameter side retainer 11. COPYRIGHT: (C)2007,JPO&INPIT
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