Main use of needle bearing

by:Waxing     2020-05-23
Needle bearing with fine and long roller ( For 3 ~ 10 times the diameter of the roller length, diameter, generally no more than 5 mm) , so the radial structure is compact, its inner diameter size and load capacity at the same time, with other types of bearing outside diameter to a minimum, especially suitable for the limited size of the radial installation supporting results. According to the use of different occasions, can be used without inner ring of the bearing or needle roller and cage components, at this time to suit the bearing surface of the surface of the shaft and the shell hole directly as inner and outer rolling bearing surface, in order to ensure the load capacity and operation performance and you have the same ring bearing, axis or shell hole hardness on the surface of the raceway, machining accuracy and surface quality should be as a bearing ring raceway. These bearings can bear radial load only. SUNTHAI bearing from type bearing with needle roller and cage by the raceway ring components, and stamping processing thin roll ring ( W) Or cutting processing of thick type roll ring ( WS) Separated type any combination of bearing is made by the precision stamping processing of raceway ring with needle roller and cage components of integral type unidirectional axial load bearing can withstand this kind of bearing to take up the space is little, is advantageous to the most compact mechanical design with needle roller and cage components only, and the installation of the shell and the shaft surface is mainly used as a raceway surface of the cage: steel plate stamping keep cage, synthetic resin forming main use: cars, cultivator, machine tools, such as variable speed device specific classification and model comparison: 1, the centripetal needle roller and cage components ( K type) 2, needle roller bearing outer ring with double lock ring ( NA, NKI, RNA, NK) 3, single needle roller bearing outer ring with double guard ( NA, NKI, RNA, NK) 4, outer ring with double guard double row needle roller bearing ( NA,, RNA) 5, drawn cup needle roller bearing ( HK, BK)
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