Part of the high-precision bearings need to rely on imports secret

Although in recent years, international competitiveness of products has improved, but are mostly concentrated in the middle and low areas, such as low-value-added products, Rolling mill bearing ,some high-precision bearings need confidential dependence on imports, especially high-end precision bearings still need to import. Case in precision machine tool spindle bearings, spindle bearings as the basis for machine tool accessories bearing, its performance directly affects the speed of the machine, rotary precision,super-precision bearing ,rigidity, anti-chatter vibration cutting, noise, temperature and thermal deformation, thereby affecting accuracy, surface quality machined parts.

For CNC machine tools, machining centers and other high-speed, high-precision machine tool spindle bearing, you need to choose P4 and above grade ultra precision bearings. With the rapid development of numerical control technology, complex, high-speed, intelligent, sophisticated,sealed angular contact ball bearing ,environmental protection has become a major trend in today's machine tool industry technology development.