彩票凤凰app安卓版下载

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                滚针和保持架组件
                发布日期:2018-8-13   浏览量:
                滚针和保持架组件
                滚针和保持架组件是一种独立的滚动元件,其保持架的两引导面间距宽广,既能精确引导滚针,又可保持滚针的正确位置。该类轴承适用于轴和座孔可作为滚道的场合,只须将轴和轴承座孔滚道加工至规定的尺寸精度和几何精度,即可确保**小空间的高旋转精度。
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