Bore Size:0 - 6 mm Outside Diameter:0 - 16 mm Precision Rating:P0 P6 P5 Seals Type:OPEN ZZ 2RS RS Number of Row:Single Row Bearing Name:NSK B6-63Z Bearings Bearing Number:B6-63Z Bearing Keywords:B6-63Z Deep Groove Ball Bearing Sizes 6x16x5mm Material:Chrome Steel,Gcr15 Cage material::steel, brass, nylon and you need Bearing Precision:P0 P6 P5 Hardness:Hrc60-63 Clearance:C2 C3 C4 C5 Quality standards:High Quality Certification:ISO9001:2008 Show More