timtheenchanteruk · Aug 27, 2014

up to press, Ive always replaced wheel bearings in pairs, however I ended up with 2 rumbly rear wheels, and only one pair of bearings.

After dismantling, the outers were as good as the day they went in, not a mark on them (I did thoroughly degrease to check) the inners however were duff, not completly knackered, but enough to rumble.

Got me wondering, what does everyone do, replace the pair, or just the worn out part.

I cant complain really, one has been in nearly 2 years, the other 18 months or so, and she gets used properly

SmileySteve · Aug 27, 2014

Just did both front hubs together, even though only one side had apparent wear and that could be just regreased and tightened, but was an arse to strip so just did it all.
If ones knacked the other cant be far behind?

jamesmartin · Aug 27, 2014

timtheenchanteruk said:
up to press, Ive always replaced wheel bearings in pairs, however I ended up with 2 rumbly rear wheels, and only one pair of bearings.

After dismantling, the outers were as good as the day they went in, not a mark on them (I did thoroughly degrease to check) the inners however were duff, not completly knackered, but enough to rumble.

Got me wondering, what does everyone do, replace the pair, or just the worn out part.

I cant complain really, one has been in nearly 2 years, the other 18 months or so, and she gets used properly

taper roller bearings are supposed to be changed in pairs and preload set to take account of both running in, and both having similar life span, its likely even though one looks ok it will have suffered by the wear on the other ,though thats not to say you cant get away with just changing one at least for awhile

timtheenchanteruk · Aug 28, 2014

fair enuff, kinda what I thought, only did it this time because I only keep one spare set in, and won't have time to go get/replace before I need to do a decent distance this weekend.
I shall continue to change pairs

Wouldnt call it an arse of a job, unless its been left too long, I can do a corner in an hour tools out to tools away easily without rushing, usually nearer 45 mins tbh

DiscoPol · Aug 28, 2014

If mine is set to to any distance then i would change them in pairs, but for general tossing about in the mud locally i do whatever is shagged and move on, they get so full of crap so quickly at one point i was getting less than 8 weeks out of a corner, but then i was out for 12-18 hours a week in muddy sandy water over the hubs for most of that time.

Good practice has to be pairs but in extreme circumstances then i think just doing what is necessary will get you by but will almost certainly reduce lifespan of said bearings.

timtheenchanteruk

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