Deep groove ball bearings mainly take radial load as well as take moderate axial load.With less coefficient of triction,high limiting speed,large size rang and colorful combination of structure; they are suitable for tractors,motors,automobiles,motorcyclees,and other common machinery,as a widely used type of bearings in machinery industry INCLUDE:16001~16020(zz or 2rs) 6000~6020(zz or 2rs) 6200~6220(zz or 2rs) 6300~6315(zz or 2rs). 6008 Bore:40mm Outer Diameter:68mm Width:15mm Radius:1.0mm Dynamic:13.10KN Static:9.45KN Grease:10000r/min Oil:12000r/min Weight:0.185kg.