Bore Size:0 - 8 mm Outside Diameter:0 - 22 mm Precision Rating:PO P4 P5 Seals Type:Z ZZ RS 2RS OPEN Number of Row:Single Row width:7mm weight:12g Cage:Import Dupont cage Quality:Chrome steel quality Radial play:C0, C1, C2 feature:low noise, high speed Business Scope:all kinds of bearing,pulleys,grease Market:Global Sample:Offered Product name:608zz bearing skate ABEC 9 ABEC 11 608 bearing skateboard bearings Show More