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Here's the Trelleborg solution - cassette seal (generally): ESP has them too:

The manufacturers have different speed ratings, so yes, I would think they would work on an 80, used on the highway. No idea about the nomenclature. I didn't spec them when I designed the axles for CNH, they did. I was mistaken about the manufacturer - it was Trelleborg, not SKF. All that...

These types of seals are used in large four wheel drive/steer tractors. Have been for years. IIRC, Case/New Holland uses the SKF version.