... : 20 mm Outside Diameter: 47 mm Width: 18 mm Cylindrical Roller BearingsCylindrical Roller Bearings Types:1) N1008-N1021,N203 - N248, N304 - N344 ... ) RNU1014-RNU1036,RNU203 - RNU220, RNU305 - RNU311,RNU2203-RNU2222,RNU2304-RNU2309 Double Row Cylindrical Roller Bearing