Introduction to needle roller bearing

- Sep 18, 2018-

The needle roller bearing is equipped with a thin and long roller (the length of the roller is 3-10 times of the diameter, and the diameter is generally not greater than 5mm). Therefore, the radial structure is compact, its inner diameter and load capacity are the same as other types of bearings, and the outer diameter is the minimum, especially suitable for bearing results with limited radial mounting dimensions. 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. This bearing can only bear radial load.