According to the customs search, at present, the largest size Spherical Roller Bearings exported by China has no national / international standard in the design. The Chinese bearing manufacturer and the customer communicated for many times, and finally determined the bearing dimension of 2200 * 2650 * 450mm, the net weight of the finished product is 4960kg, which is used for Norwegian deep sea fishing vessels. After the coordination and organization of experts and professors and various technical breakthroughs, with the cooperation of many bearing factories, the bearing was finally shipped successfully after 120 days. In the future, the Norwegian salmon you eat may have the contribution of this bearing.