| 摘要 |
A rolling contact device having a shaft adapted to be secured to an element of an apparatus, an outer ring adapted to be in contact with another element of the apparatus, and rolling elements disposed between the shaft and the outer ring. The contact device has a projection mounted on or integrated with the shaft. The projection is so arranged that, when an excessive radial load is applied to the outer ring from the above-mentioned another element, the projection is brought into contact with the another element and reduces the load acting on contact portions among the rolling elements, the outer ring and the shaft.
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