cylindrical roller bearing 1.Used for machine tools 2.Series:NU, NJ, NUP, N, NF,NN 3.Cage material:brass, ... capacity and limit deformation after loaded,etc.,it be used for machine spindle application.Most four rows cylinder roller bearings are ... 20-2000mm11 Limit Speed(r/min) Grease:11000 Oil:15000Picture for reference:Model specifications:1) N202 - N248, N303 - N334, N403 - N418 ...