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I'd not prise a seal like that shown.
Seals don't bend if you're careful enough. If you prise up directly from a single point they will, but if you open a small gap without lifting, you can slide a stanley blade in and around the radius. This lifts the seal without bending it.
Toys 19. - Digging now. Bear with me.
I didn't say failed cynical - I said contaminated etc. If you want to get a few months more I have not problem doing it.No point in re-installing failed bearings dude.
Thats what I am showing on my picture is it not SO?you can slide a stanley blade in and around the radius
I just did it a month ago with my headset bearings, I did not bend the seals or visibly deformed the compound, regreased and things are running very smoothly. I agree that replacing mashed bearings is pointless - the last time I replaced them it was with new ones 🙂
These are a few links. The lubrication section in general talks heavily about re-lubrication of rolling bearings.
http://www.skf.com/portal/skf/home/products?maincatalogue=1&lang=en&newlink=9_0_73
http://www.skf.com/portal/skf/home/products?maincatalogue=1&lang=en&newlink=9_0_75
http://www.skf.com/portal/skf/home/products?maincatalogue=1&lang=en&newlink=9_0_1
You're opening that bearing on the inner seal that sees all the rotation. I personally don't think that's a good idea especially with something sharp.
YMMV.
wish i'd seen this before i bought the new bearings. i thought regreasing was a no-no.
i only got 3 rides out of the latest set so im asssuming its just the grease thats knackered? i'll have a pop at regreasing later...
OP how have your bearings "failed"?
just feel really gritty and rough - no play yet though
No play equals a purge of grit and a regrease IMO.
As has been said, you've got nothing to lose.
yep thats my next move i reckon - got new bearings on order anyway so nothing to loose really!
Hi guys, recently found play in my rear hub after a muddy weekend in south Wales and decided to change the bearings.
My first set lasted about 3 years, my second set (this set) only 1 year. From taking the hub apart it looks like the non drive-side seal is damaged which may have let in gunk. It might be that the conditions were just terrible (went through lots of brake pads) and they had taken a beating but I think it's the seal that's done it. Have a look at these pics and let me know what you think:
A[url= http://picasaweb.google.co.uk/114691088830387010528/20100424# ]Pro 2 hub pics[/url]
Also, do you think I need a new freehub body? It's got a bit of damage but I don't think it's that bad. If I had to buy a new freehub I'd be tempted to get a whole new hub.
Cheers