greasing wheel bearings - Page 2 - Fiberglass RV


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Old 11-09-2015, 10:44 AM   #15
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Name: Jon
Trailer: 2008 Scamp 13 S1
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I do check my hubs at every stop, but if they're hot, isn't it still kinda late? I mean, of course it's far better than having them freeze up going down the highway, but you're still pretty much stuck wherever you discover the hot hubs, right? Maybe a mile or two at low speed to a repair shop at most? Unless you carry a spare set and can do it yourself, that is...

Am I missing something?
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Old 11-09-2015, 01:18 PM   #16
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Of course the ideal way to check these tapered roller bearings is to raise the axle, turn the wheel by hand slowly and feel and listen for any grinding and noise. Nobody is going to do it every time they fill up on gas. The time to do this test is when the trailer is put up for winter - another reason to put it up on blocks for the season.

Feeling the hubs for temperature rise is second best, the more probable source of heat there may be the brakes. Feeling the tires is important to catch a slow leak, the flexing of sidewalls is the heat source there.

Tapered roller bearings will only get hot when they were overloaded by the installer and remain so in operation. They always must have some small amount of play. Also they will not seize the way journal bearings might, until they are way, way gone.
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Old 02-01-2016, 05:28 PM   #17
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This subject has been on my mind. Got 19K miles on my trailer. Thinking it's time to get my wheel bearings serviced before my upcoming next big trip. Do I have nothing to worry about?
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Old 02-01-2016, 06:32 PM   #18
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My concern about bearing buddys and ez lubes is it would be real easy to over grease them and force grease out around the inside seal and have it inside the brake drum area. When that happens your problems are just as bad or worse than a failed bearing.
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