20 PCS Z2 6x13x5mm 686ZZ Deep Groove Ball Bearings Double Shielded Carbon Steel
Double Shielded Ball BearingsGeneral Information：[1]Static load rating of 354 newtons and dynamic load rating of 920 newtons[2]686-2Z bearings are Shielded on BOTH SIDES to keep lubricant in[3]Made from Carbon Steel, durability and resistance to under heavy loads[4]ABEC Tolerance 1 (P0), Z2 Noise Level for most general use[5]686ZZ (I.D.=6mm, O.D.=13mm, Thickness=5mm).