uxcell Nitrile Rubber Double Lip TC Rotary Shaft Oil Seal 30mm x 40mm x 7mm Product Name : Double Lip Oil Seal;Model : TC Material : Metal, Nitrile Rubber;Inner Diameter (Approx.) : 30mm/ 1.18" Outside Diameter(Approx.) : 40mm/ 1.57";Width(Approx.) : 7mm/ 0.28" Color : Black;Weight : 8g Package Content : 1 x Double Lip Oil Seal