Zhejiang Waxing Electromechanical Co., Ltd is one of the most professional manufacturers and suppliers of nj221em cylindrical roller bearings in China. Welcome to buy high quality customized bearings made in China here from our factory. For price consultation, contact us.
NJ221EM is a cylindrical roller bearing, with specific parameters including an inner diameter of 105mm, an outer diameter of 190mm, and a thickness of 36mm. The bearing's cage material is N brass solid, made of high carbon chromium bearing steel (GCr15), suitable for general occasions.
Application scenarios and performance characteristics
Cylindrical roller bearings are generally only used to bear radial loads, and have a larger radial load capacity than deep groove ball bearings of the same size. Its limit speed is close to that of deep groove ball bearings, but the processing requirements for the shaft and housing holes that match this type of bearing are higher, allowing a very small inclination between the inner ring axis and the outer ring axis (2°-4°). If the inclination of the two axes exceeds this limit, the contact between the roller and the ring raceway will deteriorate, seriously affecting the load capacity of the bearing and reducing its service life.
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