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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > Catastrophic Bearing Failure

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Old_Spirit

Orlando, Florida

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Posted: 03/04/18 11:39am Link  |  Quote  |  Print  |  Notify Moderator

Has anyone experienced catastrophic bearing failure? That is, bearing failure that destroys the bearing without warning. The first evidence that something is wrong a gunshot-like noise and ear piercing squeal.

rgatijnet1

Florida

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Posted: 03/04/18 11:43am Link  |  Quote  |  Print  |  Notify Moderator

Lots of bearings. Are you talking front wheel bearing? Usually a catastrophic front wheel bearing failure also destroys the spindle.

ScottG

Bothell Wa.

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Posted: 03/04/18 11:45am Link  |  Quote  |  Print  |  Notify Moderator

If a wheel bearing, no, not normal.
but with our hearing going as we get older, it probably could make noise we don't notice.
Either that or a long downhill brake application melted the seals.

Or you're talking about a completely different bearing.


Scott, Grace and Wesly
2003 Dodge 3500 4x4, 6 speed Cummins (lightly bombed),
2018 Silver Fox 32A - many mods to come!
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SidecarFlip

SE Michigan

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Posted: 03/04/18 11:56am Link  |  Quote  |  Print  |  Notify Moderator

I make it a habit of feeling all my spindles for excess heat when feeling the tires for excess heat during a trip. As a rule wheel bearings don't just fail right now, they fail gradually accompanied by noise...and excess heat.

Of course making sure the preload is correct and timely service (repack and inspection) always is better than burning one up.


2015 Backpack SS1500
1997 Ford 7.3 OBS 4x4 CC LB

77rollalong

Brighton Ontario

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Posted: 03/04/18 12:06pm Link  |  Quote  |  Print  |  Notify Moderator

standard tapered roller bearing i have seen very seldom fail, but I have seen a few so i know it does happen, most time it has messed up the spindle, but have replaced 100's of hub asmb. over the years, and have seen quite a few of those fail completely as well on customers cars and trucks..

path1

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Posted: 03/04/18 12:16pm Link  |  Quote  |  Print  |  Notify Moderator

I think heat would be first sign.

gbopp

The Keystone State

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Posted: 03/04/18 03:24pm Link  |  Quote  |  Print  |  Notify Moderator

path1 wrote:

I think heat would be first siugn.

I agree but, I don't check my bearings for heat very often. I had a wheel bearing go out on my car years ago. The first indicator that something was wrong was a rumbling sound.
The OP didn't specify the type of bearings?

wa8yxm

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Posted: 03/04/18 04:23pm Link  |  Quote  |  Print  |  Notify Moderator

Only once, on a bicycle, the symptom was head over handlebars as the bike flipped forward.. OUCH.. Thankfully I was much younger then.

NOW I Lubricate Lubricate, Lubricate to excess.


Home is where I park it.
Kenwood TS-2000 housed in a 2005 Damon Intruder 377


rgatijnet1

Florida

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Posted: 03/04/18 04:26pm Link  |  Quote  |  Print  |  Notify Moderator

That is why I love the wet bearings I have on my coach. A quick glance and I can tell if the oil level is OK.

jplante4

Cape Cod

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Posted: 03/04/18 05:23pm Link  |  Quote  |  Print  |  Notify Moderator

We get a few (dozen) in the store every year, all boat trailers and all used twice a year - "rode hard and put away wet". No greasing, no maintenance, salt water.


Jerry & Jeanne
1996 Safari Sahara 3530 - 'White Tiger'
CAT 3126/Allison 6 speed
2014 Equinox AWD / Blue Ox


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