Wheel Bearing Failure
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MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Wheel Bearing Failure
I had a pretty bad vibration in the front wheels consistent with speed, pulled them off and found this guy on the passenger side. Any idea what would cause this? Made in China? Rim too heavy? Too much/not enough/wrong kind of grease? There's very little grease on it now because I cleaned it up for the picture. I replaced the rotors with the bearings, and used the races that were already installed with the rotors and not the races that came with the bearings. I'm curious if there was some kind of machining mismatch there. I'm interested to see if anyone has seen this kind of catastrophic failure before. Thanks guys!
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MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Thanks so much for the input.
Logistics Pro
Joined: May 2003
Posts: 4,238
Likes: 21
From: Northern Illinois
Agreed, you never know if they are machined the same. Most of the rotors now come from overseas.
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Fleet Mechanic
Joined: Feb 2007
Posts: 1,326
Likes: 48
From: Middle TN
Could the race not have been seated all the way. If it was a 1/16th short of seated, the bearing nut could have torqued to spec like normal but during hard turn or a pot hole the race slipped into it's proper place deeper into the hub causing a loose bearing fit and wheel vibration that destroyed the bearing and broke its cage.
This looks like its caused by a loose bearing to me.
This looks like its caused by a loose bearing to me.
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Post Fiend
Joined: Apr 2008
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From: Big Sky Country
I'm not sure i completely follow, in your first post you state "I replaced the rotors with the bearings, and used the races that were already installed with the rotors and not the races that came with the bearings"
In your follow up post you state "The bearing shown is the one I recently installed. Both the bearing and the race were new"
As the others have stated i would suspect the bearings were not mated with their respective races if i'm reading you correctly, btw were these Timken bearings?
In your follow up post you state "The bearing shown is the one I recently installed. Both the bearing and the race were new"
As the others have stated i would suspect the bearings were not mated with their respective races if i'm reading you correctly, btw were these Timken bearings?
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