On the May 1st, A new type  CT machine mainshaft bearings developed  by company  is offline in oversize bearings  business division, and get through some foreign customer acceptance inspection. The bearing adopts the  new structure of company research and development , high technical requirements, the noise of 120rpm≤68dB. The smooth acceptance inspection of this structured products  lay a solid foundation for the company production  higher speed  CT machine mainshaft bearings. The picture shows that the staff are running-in test on the bearing.