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-   -   LC4 rear wheel bearings (http://www.advrider.com/forums/showthread.php?t=297961)

BobCWNC 01-01-2008 03:53 PM

LC4 rear wheel bearings
 
Yo y'all,

Whilst changing the rear tire on my 04 SMC, I went to balance it and noticed my rear wheel bearings were stiff and kind of crunchy. So off to search for parts I went. I found this thread:
http://www.advrider.com/forums/showp...9&postcount=16

Quote:

Originally Posted by gefr
Part #0625062052 6205 - 2RSHC3HMTF7 has been replaced with #0625060060 6006 DDU2CG23S6NM as mode durable. :clap

I can't confirm this anywhere else online. Does anyone have any idea if this is correct? The 2052 is the OEM bearing and the 0060 is about half the price. So if it is an upgrade as well, that would seem to be a heckuva deal.

Thanks,

Bob

BobCWNC 01-01-2008 09:49 PM

Also, I couldn't find a WB R&R thread, do you just hammer a drift onto the long inner spacer tube to knock the bearing and spacer/bushing out?

IOW:
http://www.ktm-parts.com/pdf/KTM2004/2004_625SXC.pdf
Page 26 (manual page 29) hit the drift on part 3 which goes through 6 and 4 and touches part 7?
Thanks

Dotbond 01-01-2008 11:31 PM

Yep, your on the right track.
You will find that the bushings, part #7 pull out by hand when you take the wheel off.
There is no gentle way to get the bearings out.

bmwktmbill 01-01-2008 11:48 PM

Propane torch heat can really help the removal-installation process.

Better check the sprocket carrier bearing for wear as well.
b.

nfranco 01-02-2008 06:44 AM

Loaded has cheap balls!
 
bearings that is. Check out:http://stenhouseracing.com/shop/inde...414f3081c58fd5

gaspipe 01-02-2008 08:33 AM

The 6205 and 6006 bearings are different dimensions and are not interchangeable.

BobCWNC 01-02-2008 12:17 PM

Ok, I did some better investigating, Bmwktmbill was correct. The crunchy bearing is in the cush hub/sprocket carrier, not the hub, those 2 are OK. As it turns out, the bearing itself (#28) seems to be fine, the crunchiness is in the seal covering (#29) between the bearing and the axle bushing (#26). THere is a lot of dirt between them and it was hampering the free spinning of the bearing.

I had the wrong fiche pulled up above, this is the correct one and is below also.

http://65.57.254.60/munnracing/showd...mber_id=103489

The axle bushing will not come out easily, I haven't tried heat yet. The seal covering will need to be replaced since I've screwed it up, now. The Bearing is apparently a double ball bearing and it's 79.00 bucks:baldy . I may have found a cheaper solution though, via crazybrit here.
http://www.advrider.com/forums/showt...ght=0625032057.

I fear that I will hurt the bearing by heat and pounding when I try and get the axle bushing out. I don't like the seal setup since it seems to allow crap to get in between it and the bearing. Any ideas, or am I on the right track?

http://65.57.254.60/munnracing/catal...4/03584101.gif

BobCWNC 01-03-2008 11:59 AM

So, will heating and beating on the bearing hurt it? (assuming I take a modicum of care)

KayaKTM 01-03-2008 01:23 PM

i assume you are talking for installation as harming the old bearings isn't usually a concern if you are tossing them in the round file (trash).

my vote would be heat the hub (not so hot you can't handle it) and freeze (the colder the better) the bearings for installation. they don't quite drop in but it helps.

good luck!


Quote:

Originally Posted by BobCWNC
So, will heating and beating on the bearing hurt it? (assuming I take a modicum of care)


BobCWNC 01-03-2008 01:30 PM

Quote:

Originally Posted by KayaKTM
i assume you are talking for installation as harming the old bearings isn't usually a concern if you are tossing them in the round file (trash).

my vote would be heat the hub (not so hot you can't handle it) and freeze (the colder the better) the bearings for installation. they don't quite drop in but it helps.

good luck!

What I'd like to do is get the bushing out of the bearing so I can replace the dust seal (#29), since I hammered it flat. The whole bearing assy came out of the hub pretty easy and the bushing loosened up and I was able to figure out that it was the seal rubbing, not the bearing itself.

So my goal is to keep the old bearing if heat and pounding won't destroy it, put a new seal in between it and the bushing and reseat the old bearing.

Thanks

edit: waynesville eh? Howdy neighbor

75dixie 01-03-2008 01:41 PM

I would suggest replacing a bearing any time you have it out. It may be undamaged but have a small amount of wear that cannot yet be detected. No bigger bummer than having to tear it apart to replace the bearing 6 months down the road.

I recently did my honda weel bearings and learned a expensive lesson. I have done my fair share on atv,cars etc but no bikes. I used heat and puch method to remove them and did not pay close enough attention. The bearing went slightly off center and cracked the hub. Well $450 dollars later it's fixed but it hurt...real bad.

potatoho 01-03-2008 03:01 PM

Ooh, came in this thread to warn you about that seal dust cover. It's very fragile :eek1

You can get a new sprocket carrier bearing ($42) from:
http://stenhouseracing.com/shop/inde...7400bbbb31562c

BobCWNC 01-03-2008 03:23 PM

Quote:

Originally Posted by potatoho
Ooh, came in this thread to warn you about that seal dust cover. It's very fragile :eek1

I found that out.:baldy :baldy :baldy :baldy :dog :dog

Quote:

You can get a new sprocket carrier bearing ($42) from:
http://stenhouseracing.com/shop/inde...7400bbbb31562c
Cool.

potatoho 01-03-2008 03:50 PM

That 3205 AV seal washer can probably be found in a shop. I gave up and ordered an OEM. The bearing I have from stenhouse is a INA 3205 2RS.

FAST JACK 01-03-2008 06:31 PM

Use a long skinny punch with a good flat end and knock them out from the inside, clean them up really good and put some kinda grease or "Never Seize" on them so they won't get stuck as quickly or as easily.


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