That small cork gasket, PN 8N4284, is sandwiched between the end surface of the wheel hub and the tappered roller bearing cup surface.
This gasket must have gobs of gasket sealer applied to it, to prevent the oil from leaking through the gaps between straight wheel hub splines and the tapered axle shaft splines to the brake shoe region.
The inner lip seal incoported on 50N & up helps seal out the oil. Previous 48 & 49N models did not have this seal.
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Today's Featured Article - Fire in the Field A hay fire is no laughing matter-well, maybe one was! And a good life-lesson, too. Following World War II many farm boys returned home both older and wiser. One such man was my employer the summer I was sixteen. He was a farmer by birth and a farmer by choice, and like many returning soldiers, he was our silent hero: without medals or decorations, but with a certain ability to survive. It was on his farm that I learned to use the combination hand clutch and brake on a John D
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