8PACK 6904-2RS Deep Groove Ball Bearings Z2 20x37x9mm Double Sealed Carbon Steel
6904-2RS BearingsGeneral Information：[1]Static load rating of 3700 newtons and dynamic load rating of 6400 newtons[2]6904-2RS bearings are Sealed 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]6904-2RS (I.D.=20mm, O.D.=37mm, Thickness=9mm).