Single Row Cam Rollers are based on deep groove ball bearings in the 62 series. They are supplied greased and are seals both sides with a reinforced NBR contact seal and have a crowned outer race.
Double Row Cam Rollers are based on double row angular contact ball bearings in the 32 dimension series and have a 30 degree contact angle. They are supplied greased and are fitted with metal shields both sides which extend into a recess on the inner ring. These bearings are available with both crowned outer race and cylindrical outer race.