Bore Size:3 - 9 mm Outside Diameter:9 - 26 mm Precision Rating:P0 P6 P5 P4 P2 Seals Type:ZZ of Row:Single Row Brand:THB or OEM Type:2RS Miniature ball bearings Material:Gcr15 chrome steel d(mm):6 D(mm):19 B(mm):6 Features:Miniature, ZZ, high speed Original place:Jiangsu Free samples:Available Market:Worldwide