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Wheel bearings? Broken or not? Advice please.

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leonski
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Joined: 05 Jul 2011
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PostPosted: 11:18 - 10 Oct 2011    Post subject: Wheel bearings? Broken or not? Advice please. Reply with quote
I just had my Bike fail its MOT, and one of the fails was my front wheel bearings being a keen novices I wanted a good look at the bearings.
I noticed to the front wheel didn't move freely.
So out come the tools, then front wheel off.
Well to my untrained eyes the bearings look normal both sides. Once off the bike the wheel moves without any resistance no noise and is there any tell tell signs im missing ? Just to be sure. Confused
But then left scratching my head to what it could be then only to notice my axle or spindal was slightly bent!
Now could of this been causing my problem?

Also on the way back from the MOT bay I gave it some back and noticed a wobble coming from the front only when I went over 40MPH.

Any advice would really help many thanks Karma Thumbs Up
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 11:21 - 10 Oct 2011    Post subject: Reply with quote
Hi

Think I would need to know more about the noise the MOT tester mentioned, but a bent wheel spindle could cause odd effects.

Normally with knackered bearings you will have play in the wheel. Also with the wheel off if you stick your finger in the middle of the bearing and turn it you will feel some roughness.

All the best

Keith
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leonski
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Joined: 05 Jul 2011
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PostPosted: 11:28 - 10 Oct 2011    Post subject: Reply with quote
Im guessing there should be some noise from a broken bearing.
I think when I put my finger inside it moved freely and quite smooth. But when the wheels is on the bike, the wheel does not want to spin round. But off the bike it does Confused
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Im-a-Ridah
World Chat Champion



Joined: 20 Oct 2006
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PostPosted: 11:34 - 10 Oct 2011    Post subject: Reply with quote
leonski wrote:
Im guessing there should be some noise from a broken bearing.
I think when I put my finger inside it moved freely and quite smooth. But when the wheels is on the bike, the wheel does not want to spin round. But off the bike it does Confused


If the spindle looks bent then get another one...

I'd probably replace the bearings too in that case TBH, since if the wheel has been driving with a bent spindle the bearings will be subjected to loads at an angle they are not designed to withstand and will be much more likely to fail.
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 11:43 - 10 Oct 2011    Post subject: Reply with quote
Hi

If the brake caliper(s) are off does it still not want to spin? Just wondering if it is the wheel itself, or the way the wheel lands up sittings compared to the caliper(s).

How bent is the spindle? It could easily try and twist the bearings in place.

All the best

Keith
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cb1rocket
World Chat Champion



Joined: 30 Jan 2010
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PostPosted: 12:09 - 10 Oct 2011    Post subject: Reply with quote
is the center spacer present in the wheel?
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leonski
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Joined: 05 Jul 2011
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PostPosted: 13:08 - 10 Oct 2011    Post subject: Reply with quote
Kickstart wrote:
Hi

If the brake caliper(s) are off does it still not want to spin? Just wondering if it is the wheel itself, or the way the wheel lands up sittings compared to the caliper(s).

How bent is the spindle? It could easily try and twist the bearings in place.

All the best

Keith

When I get home tonight I will take the brake off and try and have a proper look at the wheel. Karma
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leonski
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Joined: 05 Jul 2011
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PostPosted: 13:11 - 10 Oct 2011    Post subject: Reply with quote
Im-a-Ridah wrote:
If the spindle looks bent then get another one...

I'd probably replace the bearings too in that case TBH, since if the wheel has been driving with a bent spindle the bearings will be subjected to loads at an angle they are not designed to withstand and will be much more likely to fail.


Already ordered a new one. Its defo bent so no way is that gonna go back in and do more damage.
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current beasts..lol de-restricted ludix classic 50 fastest ped ive ever ridden
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leonski
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Joined: 05 Jul 2011
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PostPosted: 13:14 - 10 Oct 2011    Post subject: Reply with quote
cb1rocket wrote:
is the center spacer present in the wheel?
I take it thats the spacer between the bearings and yes it is. Thumbs Up
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yamaha ybr 125 working progress ....... Smile
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