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Features and uses of needle roller bearings

- Jun 26, 2018 -

Features and uses of needle roller bearings

The needle roller bearing is equipped with a thin and long roller (3~10 times the diameter of the roller, and the diameter is generally not more than 5mm), so 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 smallest, especially suitable for the bearing results of the restricted radial installation. 

needle roller  bearing

According to the different use situation, the bearing or needle roller and the cage assembly can be selected. At this time, the surface of the shaft neck and the outer surface of the shell are directly used as the inner and outer rolling surface of the bearing, so as to ensure the same load and running performance as the bearing ring bearing, the hardness of the surface of the axle or the outer shell hole raceway, and the machining accuracy. And the surface quality should be similar to the raceway of the bearing ring. This kind of bearing can only bear radial load.

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