Rolling bearing features

Source: China Bearing Network Time: 2014-06-27

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Rolling bearings are important bearings for shafts and other rotating components; they were one of the first mechanical basic parts to be selected for professional mass production. As early as the beginning of the 20th century, Western countries have successively presented a perfect bearing industrial system; The function and life of the bearing, the cost of falling products, the addition of varieties, the expansion of its scope of application, and the continuous improvement of theoretical research and calculation methods have provided an excellent environment. The current calculation method for the selection of rolling bearings is relatively perfect; the product variety is complex and completely standardized. Work function, accuracy, life, reliability, etc. can satisfy the needs of various fields and cutting-edge technologies.
A tumbling bearing generally consists of an inner ring; an outer ring and a set of tumbling bodies (balls or rollers) and an abutment frame that is positioned at a determined distance by a tumbling body between the ferrule raceways. The inner and outer rings and The specifications for the tumbling body are high carbon chrome bearing steel or carburized steel. The steel should be heat treated according to the proper hardness that can be optimized to withstand the tumbling touch fatigue. The bearing surface is ground to a very high precision with a special machine tool.
The first of the various types of roll bearing has its own unique characteristics; however, the following features are common to most types of rolling bearings:
Rolling bearings have a lower starting resistance. There is a slight difference between the rolling bearing and the moving resistance.
The scale and precision have been standardized. High-precision products are very simple to get.
Compared with sliding bearings; rolling bearings are not easy to wear; help to maintain the accuracy of the machine in use.
Rolling bearings cost less smoothing and repair costs are much lower than sliding bearings.
Although not the commonality of all rolling sleeves; however, many bearings can accept both axial and radial loads.

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