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    • 23. 发明申请
    • Rolling bearing unit for wheel
    • 车轮滚动轴承单元
    • US20090092349A1
    • 2009-04-09
    • US12232822
    • 2008-09-24
    • Seiji YamamotoTetsuya IshikawaSyuuji NagataChangxin Yu
    • Seiji YamamotoTetsuya IshikawaSyuuji NagataChangxin Yu
    • F16C33/58
    • B60B27/00B60B27/001F16C19/386F16C33/581F16C35/06F16C2240/30F16C2326/02
    • A rolling bearing unit for a wheel includes an outer ring member having a flange portion formed on its outer periphery and fitted to a vehicle body-side member, an inner ring member rotatably fitted in the outer ring member, and double-row rolling elements arranged between the outer ring member and the inner ring member. The flange portion includes a first flange portion formed on the upper-side portion of the outer periphery, and a second flange portion and a third flange portion formed on the lower-side portion of the outer periphery. Each of the first, second and third flange portion has a bolt-hole used to fit the outer ring member to the vehicle body-side member. The first flange portion is formed in such a manner that the bolt-hole thereof is positioned on the vertical line that passes through the rotational center of the outer ring member.
    • 一种用于车轮的滚动轴承单元包括:外圈构件,其具有形成在其外周上的凸缘部并且装配到车体侧构件,可旋转地装配在外圈构件中的内圈构件和布置在所述外圈构件中的双列滚动元件 在外圈构件和内圈构件之间。 凸缘部包括形成在外周的上侧部的第一凸缘部和形成在外周的下侧部的第二凸缘部和第三凸缘部。 第一,第二和第三凸缘部分中的每一个具有用于将外圈构件装配到车身侧构件的螺栓孔。 第一凸缘部形成为使得其螺栓孔位于穿过外圈构件的旋转中心的垂直线上。