Cylindrical Roller Bearing: 1 Heavy radial and impact loading 2 Less coefficient of friction 3 High quality and good ser 1.High quality and good service 2.Less friction and low noise 3.Competitve price 4.Durable5.Ability to carry heavy loads6.Less coefficient of friction7.High limiting speed8.Large size range:inner diameter from 20mm-800mm.9.Variations of structure:NU,N,NJ,NF,NUP,NH,NCL...V,NB,NU ...