... : pressed cage , brass cage8. 8.Reference Types:DESIGN CLASSIFICATION1.Single Row Cylindrical Roller BearingSingle row cylindraical Roller Bearing can be ... rolling at a high speed.FC:Double outer rings,single inner ring,without ribs.FCD:Double outer rings,double inner rings ... outer rings,with center and loose ribs,double inner rings,without ribs.DESIGN CLASSIFICATION1.The roller and raceway are line ...