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June 22, 2021 at 9:13 am
#240903
The 5523 seal…..
Duralip (Lip Code: D)
Shaft 0.563
Bore 0.875
OD 0.879
Width 0.188
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The 4770 does not show up in the SKF database any more, but
there’s an old one on EBay for $16.90 plus shipping.
The 5523 you can get for about a dozen donuts.
Worst thing is, you’re probably going to need two seals for the prop shaft,
being they’re so skinny. The original one was about 3/4″ deep.
Prepare to be boarded!