SKF® 18687 - Transfer Case Output Shaft Seal This provides the toughest exclusion of dirt and contaminants, reliable dynamic sealing and a long service life. Intex Kool Splash Water Slide brand new in a box never opened · $50 · DOVER, DE Skf 11778 Transfer Case Front Output Shaft Seal Spring Loaded Today’s lubricants with their aggressive additive packages can attack the rubber compound of the seal. Aazon.co: SKF 11778 Transfer Case Front Output Shaft Seal Spring... From our patent on the first automotive wheel seal in 1928, we have evolved to a leading supplier of automotive and truck sealing technology. SKF Seal - 11778 The case components are made from the highest grade of carbon steel, and are coated with phosphate to ensure protection against rust. SKF has a long history in sealing knowledge. Specifications: Shaft Dia in/mm: 1.177/29.896 | Bore Dia in/mm: 2.448/62.179 | Outer Dia in/mm: 2.453/62.306 | Width in/mm: 0.500/12.70 | Seal Construction Type: CRSA4 | Seal Lip Material:LongLife | Boretite: Yes SKF seals are engineered to be compatible with these lubricants Sealing element SKF’s synthetic rubber blends are formulated from families of complex polymers to provide protection to operate in temperatures as low as minus 40 degrees to as high as 400 degrees Fahrenheit.