| 摘要 |
A linear bearing (12) including an outer cup (20) having an inner cylindrical surface defining an outer raceway (18), a shaft (11) having an outer cylindrical surface defining an inner raceway (14), a cage (16) defining a plurality of pockets and an annular groove (17) in its outer surface, a plurality of balls (34), each ball disposed in a corresponding pocket, and an O-ring (10) disposed in the annular groove of the cage such that the O-ring contacts the inner cylindrical surface of the cup. |
