... -3,ABEC-5 P0/ P6 /P5/P4 3.Fields Used in : Motorcycle , Motor , Pump ,Fan,Air conditioner ,Microwave Oven,Rangehood,Sewing ... Cylindrical Roller BearingSingle row cylindraical Roller Bearing can be classified in NU,NJ,NUP,N,NF and so on .Inner ring ... almost used for roller neck of mill housing,rollers and rolling machines.Compared with other roller bearing,these bearing are characterized by ...