... difference of ferrule block, single row cylindrical roller bearings can be separated as N series, NU series, NJ series, NF series, ... Ball bearing: Deep groove ball bearing, Trust ball bearing, Self-aligning ball bearing, ceramic ball bearingRoller bearing: Taper Roller bearing, Cylindrical roller bearing, Spherical Roller bearingPillow block bearingSlewing bearingNeedle bearingSlinding bearing We ...