4pack Z2 40x52x7mm Ball Bearings 6808-2RS
40x52x7mm Ball BearingsGeneral Information：[1]Static load rating of 4180 newtons and dynamic load rating of 4930 newtons[2]6808-2rs bearings are sealed on BOTH SIDES to keep lubricant in[3]Made from Chrome Steel (GCr15), durability and resistance to under heavy loads[4]ABEC Tolerance 1 (P0), Z2 Noise Level for most general use[5]6808-2RS (I.D.=40mm, O.D.=52mm, Thickness=7mm).