10PCS SMR117ZZ 7x11x3 mm Bearing ABEC-9 Stainless Steel Ball Bearings Shielded AISI440C Deep groove ball bearing with a structure made from AISI440C stainless steel, indicated by the prefix S.The bearing has a bore diameter of 7 mm, outer diameter of 11 mm, and a width of 3 mm.It is metal shielded on both sides (ZZ), pre-lubricated with grease, and features a non- metal shield design that offers some.The bearing exhibits slight magnetic properties due to the material used.Hardness is rated at 58 HRC, providing good wear resistance.It has general corrosion resistance suitable for typical environments.Internal clearance is standard (C0).grade meets ABEC-9 specifications.Dynamic load rating (Cr) is 387 Newtons, and load rating (Cor) is 162 Newtons.Each bearing contains 9 balls with a diameter of 1.200 mm.Unit weight is 0.71 grams.Disclaimer of Affiliation: This is an aftermarket component.Brand and model mentions are for illustrative compatibility only.