machine tool spindle bearing material

release time：2017/1/5 11:29:56

With the continuous improvement of the requirements of the spindle speed of the machine tool spindle, on the one hand, the internal structural design of the bearing is improved, and on the other hand, the new bearing material is developed. At present, hybrid ceramic ball bearings made of silicon nitride ceramic as rolling elements have been widely used in the field of high speed machine tools.