uxcell Black Nitrile Rubber Dual Lips Oil Shaft Seal TC 20mm x 35mm x 7mm Product Name : Double Lip Oil Seal;Model : TC Main Material : Nitrile Rubber;Inner Diameter (Approx.) : 20mm / 0.78" Outside Diameter(Approx.) : 35mm / 1.37";Width(Approx.) : 7mm / 0.27" Color : Black;Weight : 10g Package Content : 1 x Double Lip Oil Seal