| 摘要 |
A driving chain comprises a plurality of links (2) pivotally coupled to each other to define a single row of links (2); each link (2) exhibits a pair of connecting elements (3) facing one another, and a pair of rolling bearings (4) pivoted between the connecting elements (3) to rotate about respective parallel axes (X); each rolling bearing (4) has a relevant lubrication member (10) provided with a flow channel (12) to direct the fluid to a defined region (13) of the bearing (4); the flow channel (12) is formed in a first sealing ring (11) interposed between a side (4a) of the bearing (4) and a respective connecting element (3). |
