Product:Double Row Full Complement Cylindrical Roller Bearing Roller bearings can carry heavy load. Compared to traditional bearings with case.our full complement cylindrical roller bearings have higher loading capacity,Based no the same width,the roller bearings have smaller radial cross section,so they are space-saving but their rotary speed is lower relatively.All the multi-stage cylindrical roller bearings are designed with a lubrication groove and a lubricating hole on the outer ring.