| 摘要 |
PROBLEM TO BE SOLVED: To feed a lubricating oil in all areas between a rotating shaft and a bearing. SOLUTION: This bearing 20 for a roller is used to support the rotating shaft 2 of the delivery roller 1, and installed in the housing 11 of a delivery part 10. The bearing 20 for the roller comprises a through hole 21 and an oil groove 22. The rotating shaft 2 is inserted into the through hole 21. The oil groove 22 can store the lubricating oil. The oil groove 22 extends from both edge parts A to at least a center part in the direction of the rotating shaft 2 on the surface of the through hole 21. Here the oil groove 22 extends from both edge parts A to the center part B in the direction of rotating shaft 2 on the surface of the through hole 21. COPYRIGHT: (C)2006,JPO&NCIPI
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