... the orderSpecificationsFeatures: N,NU,NJ,NF,NUP,RN,RNU seriesCylindrical Roller Bearings Types:1) N202 - N248, N303 - N334, N403 - N418, ... race tracks are essentially cylindrical, however they may be ground slightly curved in order to achieve thereby small degree of ... the same size. Due to their separable design, cylindrical roller bearings are more convenient for mountings than ball bearings.These ...