... ,electrical,construction machinery 4)Have stock . Specification:NSK bearing1. bearing type:roller bearings2. Cage(Retainer):Brass cage,nylon cage,steel cage3. Quality ... , FAG, NSK, NTN, TIMKEN ,INA --------------------------------------------------------- Standard cages for single row cylindrical roller bearings: see table.SeriesSolid cage made from polyamide PA66Solid brass ...