| 摘要 |
PROBLEM TO BE SOLVED: To prevent interruption of an oil film by not forming an oil supply groove at a load receiving side.SOLUTION: Oil supply grooves are respectively formed on a region not supporting a compression load of an inner peripheral face of a main bearing 6, and a region not supporting a load in accompany with centrifugal force of an outer peripheral face of a rotating shaft 10, of a sliding portion between the rotating shaft 10 and the main bearing 6, and an oil supply groove is not formed in the direction of receiving a load, thus interruption of an oil film can be prevented. |
