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Bearing is the basic parts of mechanical equipment, known as the mechanical "joint",which is an important part of the equipment manufacturing industry. Bearing has gotten huge development with the process of modern industrial mechanization and automation. In modern industry, bearings are widely used in transportation machinery, engineering machinery, precision machine tools, instrumentation and other fields , playing an important role in the world machinery industry and other industries. In recent years, the development environment of China bearing industry changed profoundly. Let us see the details. With the progress of China aerospace, rail transportation, medical equipment and other fields, there are some developments about China bearing industry . Bearing industry not only need have an effective advancement in current market, but also actively explore emerging markets. Under the guidance of the 12th Five-Year Plan, China's high-class bearing industry made the development program which defines projects and export market as two orientations to boost China mold industry. Driven by the rail transit, medical equipment, new energy, aerospace, automotive lightweight, rail transportation and other areas, China's bearing industry was significantly improved. The China bearing industry will focus on the emerging market with the stable development of traditional market , and even the fringe market that has been ignored in the past which will bring the development of molding industry. The focus of global manufacturing industry transforming to China will provide the powerful driving force for China bearing industry , and also have more strict requirement to China high-class bearing manufacturers. The current Chinese bearing industry must focus on improving product quality and reduce manufacturing costs so as to realize the transformation from "Large" to "Strong ". In 2017 , the China hardware bearing industry develop rapidly, taking the task of localization of high-class equipment. Under the guidance of the 12th Five-Year Plan, China's bearing industry has made a plan, that are project and export. From 2016 to 2021, the report of China's hardware bearing industry market shows that during the 12th Five-Year Plan, the construction of high-speed rail will reach an unprecedented peak. In 2011, the national railway construction invested 700 billion yuan, which provided a huge opportunity with high-speed rail equipment manufacturing enterprises . By 2012, China has built 42 high-speed rail passenger line, and the total mileage will be more than 13,000 km, which formed 800 sets of CRH new demand. In 2020, China's high-speed railway mileage will reach 18,000 km, which will bring huge market for China's high-speed rail bearings . In the next three years, China's high-speed rail bearings market will be more than 2 billion yuan. However,high speed passenger railway bearing as basic part of High speed railway,it is Sweden SKF, Germany FAG, Japan NTN and other international giants firmly occupy the market. Although part of China enterprises can manufacture high speed railway bearing with 200 kilometers per hour , but the relevant purchasing department will still use imported ones.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 42381/42584 bearing | 96.838 | 148.43 | 28.575 |
| 90381/90744 bearing | 96.838 | 188.912 | 50.8 |