Cylindrical Roller Bearing Auto Bearing Single Row Rnu31/20 CHANGZHOU HECTO IMP. & EXP. CO., LTD. Base Info Description 80N21680140261186001416005000NJ21680140261085001259005000NU2168014026118600141600500085NJ2178515028122800, 1440004700 Pre：Entity Bushed Needle Roller Bearing with (without) Inner Ring Na6908 Next：Entity Bushed Needle Roller Bearing with (without) Inner Ring Nk
