Double Row Cylindrical Roller Bearings Xinchun Bearing Co., Ltd. Base Info Model NO.:30-30 SeriesRolling Body:Roller BearingsThe Number of Rows:DoubleOuter Dimension:Medium and Large(120-190mm)Material:Bearing SteelLoad Direction:Radial BearingSeparated:Separated Description Pre:Thrust Ball Bearings (51000 Series) Next:Full Complement Cylindrical Roller Bearings