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背衬轴承
背衬轴承专用于多辊薄板轧机,用于轧制电力冷轧硅钢片,汽车工业用优质薄板,镀层板及不锈钢板等技术附加值高的薄板。该类轴承本身直接作为支撑辊使用,在结构上外径壁厚远远大于普通轴承,外径的径向跳动和组装后壁厚尺寸的相互差极小。轴承的额定动负荷较大,能在重负荷下进行高精度旋转。
Backing  bearing
   
      Backing bearing is specially used for thin plate multi-roll mill. It is used to roll technical value added thin plates, such as cold rolling silicon steel plate for electric industry, quality thin plate for automobile industry, coated plate and stainless steel plate, etc. This type of bearing itself serves as a backup roll. In structure its outer diameter wall is much thicker than that of an ordinary bearing. Furthermore, the radial run out of outer diameter and the mutual difference in wall thickness dimensions after assembly are extremely small. The rather high live load rating of the bearing allows high precision rotation under heavy loads.
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