... Roller BearingCylindrical Roller BearingTapered Roller BearingSpherical Thrust Roller Bearing5Description Cylindrical roller bearings belong to separable bearings, with easy ... As per different rib of the ring, single-row cylindrical roller bearings can be divided into N series, NU ... series, NF series, NUP series and so on. Cylindrical roller bearings carry a very heavy radial loads.6Material GCr15 ...