... -40mmCage materialNylon steel brassPrecision PO P6 P5 P4SealingOpen Z ZZ RS 2RSQuality standardISO9001:2000 standardServiceOEM seriviceDelivery dateNormally ready goods ... 635-2346498 SERIESBORE DIAMETER(MM)VARIANT STRUCTURE6180010-320Z,ZZ,RS,2RS6190010-280Z,ZZ,RS,2RS,N,NR,ZN,ZNR1600010-260 600010 ... ,2RS,N,NR,ZN,ZNR640010-100N,NRMINIATURE BEARINGS3-10Z,ZZ,RS,2RS we are the original Manufacturer the ball ...