CRB15025 A crossed roller bearing d 150 mm D 210 mm B 25 mm Cr 76.8 KN Basic dynamic load rating Cor 128 KN Basic static load rating Mass 3.16 kg BRS High Precision Cross Roller Bearing IKO CRB series CRB Series bearing belongs to high precision cross roller bearings. Its cylindrical rollers are placed in a 90°V groove, with each roller arranged in cross-shape with the adjacent one, and separated from each other by a spacer retainer. BRS High Precision Cross Roller Bearing IKO CRB series‘ outer rings are designed to be separable, and fixed by screw.