| 摘要 |
PURPOSE: A universal joint for a vehicle is provided to minimize leakage of lubricating oil filled inside a bearing, improve lubricating performance, and improve lifetime. CONSTITUTION: A universal joint for a vehicle(100) comprises yokes(111,112), a cross shaft, a bearing(130), an oil seal(140), and a dust cover(150). The yokes are formed respectively in the ends of connected shafts(1,2). The cross shaft is formed into a cross-shaped structure, and the yokes are joined to the end of the cross shaft. The bearing is interposed between holes(111a,112a) and each end of the cross shaft, thereby making the operation of the universal joint smooth and reducing friction and abrasion. The oil seal seals a gap between a case(131) of the bearing and the cross shaft. The dust cover is installed in order to surround the outer peripheries of the oil seal and the cross shaft.
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