How many miles do trailer wheel bearings last?

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asked Jun 18 in Do it yourself by Nstu (180 points)
My utility trailer has 10,000 miles on the wheel bearings since I bought it new.

How many miles do trailer wheel bearings last and should I replace them now or can they go more miles before being replaced?

I'm going on a 3,000 mile round trip with the utility trailer soon and want to make sure I don't have any problems along the way.

1 Answer

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answered Jun 20 by Mechanic21 (12,760 points)
Trailer wheel bearings should last 100,000 miles or more. They should even last 300,000 miles since wheel bearings on cars and trucks last up to 300,000 miles.

It can't hurt to take the wheel bearing caps off the trailer wheel bearings hubs though and take a look at the bearings and see if they have enough grease.

If you want to for peace of mind though you can take the bearings out and repack them and inspect them further.

If I had the wheel bearings out of the hubs though I'd go ahead and replace them with new ones since you'll have to replace the wheel bearing hub seal too.

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