Wheel bearing size for 77 1300 Trillium - Fiberglass RV

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Old 03-17-2015, 04:44 AM   #1
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Name: Dennis
Trailer: Trillium
South Carolina
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Wheel bearing size for 77 1300 Trillium

I am planning to replace my wheel bearing on my 77 1300 Trillium. Can anyone tell me what size of bearing to buy to do this?

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Old 03-17-2015, 06:11 AM   #2
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Name: Glenn
Trailer: Trillium 1300
Posts: 451
I'd recommend removing a set and matching them. In nearly 40 years, the axle may have been changed.

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Old 03-17-2015, 07:30 AM   #3
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Name: Eddie
Trailer: 2014 Escape 21
Posts: 1,588
If they aren't bad just clean an repack them, they are more than likely better quality than what you buy today. If they are bad follow Glenns advice.

My guess is they are 1" straight shaft bearings. (But just a guess.) The most inexpensive way is to get a trailer bearing kit. which includes two bearings, races and seals for a 1" shaft the kits run about $15. Wally World sells them in the boat section and Northern Hyd. also sells a kit but with much better seals.If you just need seals Northern sells two ea. seal kits. I had trouble finding the P/N the 1.98" seals for the 1" spindle but I can dig it up if that is what you need. Any trailer parts vendor will have the parts you need.
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