Bearing died in less than 1,000 miles. - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 22 Old 10-08-2016, 05:16 PM Thread Starter
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Bearing died in less than 1,000 miles.

Re-did the front bearings on my '09 Wee recently, went with All Balls kit, which I've used half a dozen times before and always had great luck with. That was 900 miles ago.

The other day my front end starts making a random clunk sound....like something is hanging and randomly bouncing off the fork. When I got home I went through everything, and with the front wheel elevated and the brake calipers off the wheel, a spin of the wheel reproduced this random clunk sound.

Got the wheel off and I could feel one bearing felt very odd...not gritty, smooth for a 1/2 turn then a jarring pop, then smooth.

So, today I pulled both bearings off. The side that was the obvious issue fell apart in my hand when I pried the oil seal off. The inner race was split, fractured like so:



The rest of the inner workings looked good...balls and capture looked fine, but this was definitely my culprit.

Guess my luck ran out on the All Balls kits. Would still use them in a pinch, but I'm gonna replace these with some Timkens monday morning.

Oh, and having a stuck outer race is a gob of fun. Had to dremel cut it in a few places to relieve pressure and bang it out very slowly with a big drift. Gah.
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Last edited by swingset; 10-08-2016 at 05:18 PM.
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post #2 of 22 Old 10-08-2016, 05:18 PM
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Ah man.....WTF??

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post #3 of 22 Old 10-08-2016, 05:23 PM Thread Starter
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Ah man.....WTF??
That's what I thought. Guess some bad metallurgy or something went screwy in the manufacturing.

Not a huge deal, in the grand scheme of things, and I'm glad it didn't sideline a trip or anything, but not the kind of lifespan I was expecting out of those bearings!

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post #4 of 22 Old 10-08-2016, 06:04 PM
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Misaligned? You didn't crack it during installation?

(Sorry for asking plz don't take it as offense)

Visited provinces:

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post #5 of 22 Old 10-08-2016, 06:57 PM Thread Starter
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Misaligned? You didn't crack it during installation?

(Sorry for asking plz don't take it as offense)

Visited provinces:

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Highly unlikely, drove it in with a bearing driver and was sitting nice and flush (very evident by the stuck outer race I had to get out)...inner race was never impacted. Done the same way I've done dozens of bearings over the years.
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post #6 of 22 Old 10-08-2016, 08:40 PM
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I think I've mentioned before that Chinese bearings have spotty quality control.

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post #7 of 22 Old 10-08-2016, 09:43 PM
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I think I've mentioned before that Chinese bearings have spotty quality control.
Tail light LED bulbs too.
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post #8 of 22 Old 10-09-2016, 12:39 AM Thread Starter
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I think I've mentioned before that Chinese bearings have spotty quality control.
Yup, they do, and they're cheap and plentiful so I rolled the dice. Eventually, you lose a hand.
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post #9 of 22 Old 10-10-2016, 05:59 AM
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All Balls stuff seems to be gaining a declining reputation...

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post #10 of 22 Old 10-10-2016, 11:43 AM
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It takes a tremendous amount of shock or force (on a bearing that size) to crack an inner race even when the outer race and balls are removed. Bad bearing would be my guess.
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