Date: 2013-07-31

China's Largest Aerospace Precision Bearing was Manufactured by Anshan Iron & Steel Bearing Co., Ltd

On October 22, there was an exciting good news from national space engineering designing & manufacturing department: the first set of large high-precision slewing ring bearing manufactured by Anshan Iron & Steel Bearing Co., Ltd works well in the production process of the national large aerospace equipment, meanwhile the second set was asked to produce as soon as possible. At the same time, Anshan Iron & Steel Bearing Co., Ltd was designated as the national aerospace engineering supporting company.

This set of large high-precision slewing ring bearing was composed by inner & outer rings, and more than 2000 rolling members, with 6.2 meters of the turning diameter. It is the first set in the overall bearing production in China, and the rotation accuracy is 0.05 mm, which is the most accurate slewing ring bearing in China, and it also creats the new accuracy standard in China's aerospace engineering slewing ring bearings. The successful development of this set bearing not only fill the domestic gap, but it is also the sign that China's bearing technology has reached the world leading level, meanwhile make China has the ability to produce super large spacecraft processing equipment. At present, only Russia and the United States could produce this kind of large spacecraft processing equipment, the successful development of this set of bearing provided gurantee for China to produce large spacecraft processing equipment.

Because the accumulation of strong skills in Anshan Iron & Steel Bearing Co., Ltd, the company could successfully developed the large high-precision slewing ring bearing. Anshan Iron & Steel Bearing Co., Ltd has been sticking to the "sphisticated, small quantities, varieties" ways, successfully developed the naval gun slewing bearings in the year of 2000 which has resolved the technical problems of naval gun bearings, such as, high-dimensional accuracy, high rotation accuracy, low starting torque, flexible rotation etc., and filled the domestic gap. However, Anshan Iron & Steel Bearing Co., Ltd now has become the exclusive supporting enterprise of the national naval gun slewing bearings. Currently, the products in Anshan Iron & Steel Bearing Co., Ltd involved in the area of metallurgy, mining, petrochemical industry, defense industry, nuclear industry and so on, besides, the company also supporting the national major & key projects (PLA General Armament Department, the Navy gunboats, nuclear reactors, aerospace engineering etc.). In addition, Anshan Iron & Steel Bearing Co., Ltd has established the supplying & demanding relationship with the international well-known enterprises in Germany, Japan, Korea, Taiwan and other countries and regions.

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