Wheel Bearing Question - Kawasaki Versys Forum
 
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post #1 of 3 (permalink) Old 04-08-2016, 04:22 PM Thread Starter
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Wheel Bearing Question

So some of you have seen that I swapped a cbr929 front end on my '12 versys. I kept the versys wheel on it. The 929 axle is 25mm, not 20 like the versys.

So the stock front wheel bearing is 42ODx20IDx12W. I installed 42x25x9 as this is the only bearing I could find that work. Now when I was doing research I was concerned due to the smaller ball bearings due to the width as well as the ID being larger. I found some specs on both bearings - there RPM and newton loading. They were very similar, but Im still concerned the bearings will not hold up and who knows what will happen if they catastrophically fail while riding. Any info on how to know if theyre ok to use?

EDIT - I was actually able to source a 42x25x12 bearing for $14 each. Metal shields instead of rubber. Meant for cart racing so Im sure they would be ok. Rather not spend the $28 though if the 9mm wide ones will work.

Last edited by borjawil; 04-08-2016 at 04:37 PM.
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post #2 of 3 (permalink) Old 04-08-2016, 08:18 PM
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Originally Posted by borjawil View Post
So some of you have seen that I swapped a cbr929 front end on my '12 versys. I kept the versys wheel on it. The 929 axle is 25mm, not 20 like the versys.

So the stock front wheel bearing is 42ODx20IDx12W. I installed 42x25x9 as this is the only bearing I could find that work. Now when I was doing research I was concerned due to the smaller ball bearings due to the width as well as the ID being larger. I found some specs on both bearings - there RPM and newton loading. They were very similar, but Im still concerned the bearings will not hold up and who knows what will happen if they catastrophically fail while riding. Any info on how to know if theyre ok to use?

EDIT - I was actually able to source a 42x25x12 bearing for $14 each. Metal shields instead of rubber. Meant for cart racing so Im sure they would be ok. Rather not spend the $28 though if the 9mm wide ones will work.
Good luck, if you have any close family, make sure your life insurance is paid up.
As to shielded bearings, they were meant as dust shields, I very much doubt these bearings have the load rating, tolerances or precision , even remotely close to what you need, I looked them up--Kart bearing. Like I said, make sure your insurance is paid up, someone should benefit from your adventure. Another way of looking at it would be like putting on tires that aren't DOT rated, then crashing and hoping your insurance doesn't catch it.
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post #3 of 3 (permalink) Old 04-08-2016, 08:30 PM
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BS. The bearing will work fine, they are probably only good for about ten times the load they are carrying.
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