Bore Size:30 mm Outside Diameter:47 mm Precision Rating:P0 P5 P6 P4 P2 Seals Type:open , seal Number of Row:Single Row or doule row B:9 mm rpm over 45000 Sample:offer Service:OEM Vibration:V1,V2,V3,V4 Certificate:ISO Cage:Steel, Brass, Nylon Show More