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发明授权
US08876400B2 Thrust roller bearing and method for manufacturing thrust race thereof 有权
推力滚子轴承及其推力轮的制造方法

Thrust roller bearing and method for manufacturing thrust race thereof
摘要：
A thrust race of a thrust roller bearing has a race portion and a cylindrical portion extending from the race portion in an axial direction. At a plurality of locations along a circumferential direction on the cylindrical portion, cutout portions are formed such that each of the cutout portions is recessed in the axial direction from a distal edge of the cylindrical portion toward the race portion. A protrusion is provided at a portion closer to the race portion from a bottom edge of each of the cutout portions such that the protrusion protrudes in a radial direction from the cylindrical portion toward a side away from the race portion. The protrusion serves as a race-retaining locking portion to prevent a race from moving out from a mating member on which the race is mounted.
摘要（中）：

推力滚子轴承的推力座圈具有一个座圈部分和一个从座圈部分沿轴向延伸的圆柱形部分。 在圆筒部的圆周方向的多个位置上，形成有切口部，从而从圆筒部的远端朝向座部的方向从轴向凹入。 在每个切口部分的底边缘处的靠近滚道部分的部分处设置突起，使得突出部沿径向从圆柱部分向远离滚道部分的一侧突出。 突起用作挡圈保持锁定部分，以防止赛跑从安装有赛车的配合构件移出。

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