Spherical Roller Bearings are most suitable option for applications that need shock resistant components yet this is not the only quality these Bearings have. These Bearings can handle heavy loads because of their rings` alignment. Due to the curved outer ring, Spherical Bearings come with self aligning capabilities that make it possible to absorb shocks and also enable the apparatus to carry high axial and radial load even in harsh environment with lot of vibration. Even with this rugged working environment, Roller Bearings tend to have high precision.
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The research team listened to Zhu Fengchang’s director, Zhu Feng, who warmly received Mr. Li’s delegation. Mr. Zhu gave a detailed introduction to the development of Sanmao in recent years and reported the contents of the research outline. The research team visited the product showroom and production site. In his report, Director Zhu said that the products produced by Sanma mainly serve the emerging industries and tools such as automobiles, home appliances and electronic information. Most of them replace imported products, which not only reduces the production cost of the service areas, but also promotes them. The rapid development has greatly improved the level of our products and service capabilities. At the same time, it has also promoted its rapid development. It has opened up the channels for the export of superhard materials and abrasives to developed countries, and achieved good economic and social benefits. When talking about the market situation, he said that orders for this month have gradually declined. The most affected products are the products used in the photovoltaic industry. The sales revenue of products has increased by 10% compared with last year. Fortunately, 85% of our products are high-end products, technology. The added value is high, the export situation has not changed much, and the overall impact is not significant. It is expected that the annual growth rate will be between 10~15% this year. 
Research team visited the exhibition room 
The research team visited the research team in the workshop. After listening to the report, visiting the exhibition room and the production site, Secretary General Li concluded that there were not many manufacturers of abrasives and abrasives that we visited, but the enterprises I originally served were users of abrasives. Therefore, there is a lot of understanding of abrasive products, and the machining of any machine precision parts is inseparable from grinding. Abrasives products are very important in modern manufacturing, and they are consumable products. As long as the product level is leading, it is easy to establish long-term cooperation with users, and the added value of such products is also high. After listening to the director's report and visiting the production site, I felt that the level of Sanmao should represent the highest level of abrasive abrasive production in China. Management system, fine, quality control throughout the entire production process, product level and international standards, in the replacement of import and export developed countries have achieved good results. Secretary-General Lee, who has heard the Superhard Materials Branch, has introduced the situation in your industry. Today is a reality! Super-hard materials and small industries can be listed in the country's strategic emerging industries. It is the country that recognizes that all kinds of equipment manufacturing in the fields of heaven and earth are inseparable from precision, high-efficiency and environmentally friendly super-hard materials. The performance that is recognized by the national leaders, of course, is also the merit of the super-hard material branch. I am very grateful to Director Zhu for his systematic introduction and careful investigation form, and also to Mr. Zhu’s warm reception! Li Zhihong, Secretary General of the Superhard Materials Branch, accompanied the research team at the Sanmo Institute. After completing the investigation of Sanmao, Secretary Li went to Luoyang to continue research on other small industries.
Spherical Bearings have two rows of rollers that are separated by a cage or rib that could be sealed or unsealed depending on the specific model and application, external raceway and dual raceways in inner ring to support rotating shaft. Amazingly the quality and alignment of raceways, cages and rings define the overall performance and quality of the product. Asymmetrical rollers increase performance and precision while symmetrical rollers offer better load distribution, lesser vibration that ultimately leads to durability.
MATERIAL
These Bearings are manufactured with several kind of material based on the application and working environment. Chrome steel is one of the most popular materials used in production of these Bearings because of its durability yet sheet steel, polyamide and brass are also used for some applications. One of the most important parts of Spherical Bearings is the cage that holds bearings at their place. That cage is usually manufactured with pressed steel or brass because both of these materials offer strength as well as temperature resistance.
These Bearings tend to have seals in order to prevent contaminants like dirt, liquid, debris as well as harsh temperature. This type of these bearing doesn`t even need lubrication if they do not exceed 50% of their maximum allowed RPM.
APPLICATIONS
Spherical Bearings are essential part of heavy machines like gearboxes, turbines, mechanical fans, constructions equipment, mining equipment and drilling equipment. Roller Bearings are available in multiple standard sizes and dimension yet they are also made with custom sizes and specifications.
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MODELS AND VARIATIONS
Usually these Bearings come in two different types that have totally different design, structure, specifications and applications.
Single Row Spherical Roller Bearings
These are also known as Barrel Bearings because of their design and they are widely used where only low radial load carrying capacity is required. Other than the load capacity difference, Single Row these Bearings is quite similar to their counterpart in terms of performance and durability.
Double Row Spherical Roller Bearings
These are used where high radial load carrying capacity if required and that make them an essential part of almost all heavy duty machinery out there. The design difference between these two is obvious; Double Row Roller Bearings come with central flanges that optimize the overall performance of the apparatus.
Deputy Secretary-General Li Jingming of China Machine Tool Industry Association visited the Sanmao Institute
On June 19, 2012, China National Machine Tool Industry Association ("General Assembly") Li Jingming, deputy secretary-general and six people went to Zhengzhou Abrasives Grinding Research Institute (referred to as "Sanmao") to investigate the industry development and market demand. The survey was commissioned by the Equipment Department of the Ministry of Industry and Information Technology. The purpose was to gain an in-depth understanding of the recent developments in the industry and the market demand characteristics of major user sectors, to promote the transformation and upgrading of the machine tool industry, and to improve the ability to provide equipment and services for core manufacturing areas of key industries. Accompanied by Secretary-General Li's research: Tu Jingxian, deputy director of the marketing department, Xie Wei, deputy director of the exhibition department, Li Huaxiang, executive deputy editor of WMEM magazine, and Sun Yi and Song Qiying, project directors of the industry department.