2000 cassita bearing failure - Page 2 - Fiberglass RV


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Old 07-19-2016, 03:18 PM   #15
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Name: Steve
Trailer: Scamp 13
California
Posts: 1,382
Was the cotter pin still on place when you disassembled the failed bearings. I would take the time to do the other side too. since the last person in there probably did both sides. The failed bearing brand is likely to be the same on the non failed side. I too carry extra bearings and races and grease. I hope to never need them. My Scamp 13 uses a pretty small set of bearings that are not the size commonly hanging on a shelf in a chain type parts store. Napa usually has them but they are getting fewer and further apart these days.
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Old 07-19-2016, 03:38 PM   #16
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Name: Steven
Trailer: Casita SD 2013
NW Wisconsin
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Originally Posted by Casita Greg View Post
Ditto. I hope I never have to replace them in the field, but I have them, along with my toolbox and a can of grease just in case.
DITTO : We had a boat trailer bearing go out in the middle of nowhere outside of Sioux Lookout ,Ontario Canada
It was a Saturday afternoon when everything was closed for the weekend and unfortunately Monday was The Queen's Holiday
We ended up driving 250 miles back into the US on Sunday to get a set of bearings and installed them on the side of a desserted gravel road.
Never again did we go fishing in Canada without spare bearings , seals , grease ,tools ,and a boat jack.
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Old 07-23-2016, 12:49 PM   #17
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Name: Russ
Trailer: Scamp 16' side dinette, Airstream Safari 19'
California
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It seems that trailer bearings used by axle companies are sometimes of very low quality. You don't see the same failure rate on automobile front wheel bearings that are very similar, but have to handle steering forces. Maybe the grease cakes when the trailer sits for long periods of time? Cars usually get the front bearings packed when doing a front brake job. It seems that bearing quality is a main variable. You don't see Timken bearings disintegrate. They are very worth the price premium. Use high quality grease, and recheck the bearing clearance/preload after running the trailer 50 miles. They will last many years.
Russ
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Old 07-23-2016, 01:44 PM   #18
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Name: Greg
Trailer: 2008 Casita 17 SD
Washington
Posts: 1,034
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Timkin bearings and races are the best, and the only ones I buy. The worst ones you can ever buy are those "blister packs" of bearings from China. They're total junk.

Timkin now also produces their bearings in China as well these days, but they seem to keep a higher degree of quality control over the stuff with their name on it than the generic junk ones.
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Old 07-23-2016, 02:01 PM   #19
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Name: bill
Trailer: 2013 Escape 19
North Carolina
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Originally Posted by Darral T. View Post
This is just a suggestion, but if those bearings are "seized" on the shaft, you MAY consider having a mechanic with more tools come out or have it hauled in to a shop somewhere with pullers/torch etc.

When you get time, it would be interesting to know the "history" on those bearings-- the last lube/inspection....how many miles....age, etc. You dont hear of alot of "failures" on here...just people requesting info on when/how often, bearings etc.
FWIW, I had one fail two weeks ago myself. Last lube/inspection was six months ago....

+1 Inner race is not coming off easily. Fortunately, I found a trailer repair shop close by, limped there and dropped it off.

+10 Do both sides, consider the first failure a warning.

Mine is on a 1996 17' Casita Liberty.

In the future, I will carry spares, as a failure in BFE would be quite inconvenient!
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Old 03-07-2017, 01:41 PM   #20
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Name: Sean
Trailer: casita
Florida
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Originally Posted by Sean Russell View Post
I had to leave the trailer and hour abandoned a half away. Could not pull bearings. Was hoping someone would know the correct bearings?
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Old 03-13-2017, 06:37 AM   #21
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Name: Joe
Trailer: 1999 Casita 17' SD
Ohio
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For those reading this thread Dexter easy lube axles used on Casita trailers do not have cotter pins! They are two types of retainers, the first being a plate held on by the nut with fingers holding the nut. The second version is a crown like thing held in position by the dust cover. (what happens when the dust cover comes off?)
As I understand it they have reverted to the older version of retaining the nut.

Joe
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Old 03-13-2017, 09:33 AM   #22
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Name: Jack L
Trailer: Bigfoot B-17 CB
Washington
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Originally Posted by Joe Romas View Post
For those reading this thread Dexter easy lube axles used on Casita trailers do not have cotter pins! They are two types of retainers, the first being a plate held on by the nut with fingers holding the nut. The second version is a crown like thing held in position by the dust cover. (what happens when the dust cover comes off?)
As I understand it they have reverted to the older version of retaining the nut.

Joe
http://www.trailerandtruckparts.com/...dlenut2-NW.jpg

The spindle nut on an EZ lube axle is held on by a clip that snaps over the nut and has tabs that grip the back of the nut. I have taken mine apart several times and the system is OK, but just OK-not great. If you are careful when you take the hub apart, the clip can be reused. I can see someone prying or pulling without looking at the assembly and ruining the clip or not reinstalling the clip properly having a problem. I carry spares and am comfortable with the set up, but I can also see how the clip could be a problem if it is not used exactly the way it was designed. The dust cover has nothing to do with holding the nut on the spindle.

I'm old school and would rather have the cotter pin. This design by Dexter allows more adjustment options. Maybe that is why they did it

Edited to add-- the above information is for the 3500# axle. Some of the lower capacity Dexter EZ Lube axle have always used a cotter pin as a retaining device.
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Old 03-13-2017, 03:30 PM   #23
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Name: Joe
Trailer: 1999 Casita 17' SD
Ohio
Posts: 511
Some Timken bearings are made in the USA

There are two types of bearing nut locknut retainers, those used up to 2002 and those after. On the Casita forum there have been some who after loosing the dust cover soon loose the new style nut retainer too. It's rumored they have switched back to the "D" washer and older retainer. See below.



Despite what anyone says, a few were proven wrong on another forum it was discussed at length on that Timken still makes automotive bearings (read trailers too) in four plants in the US.

Go to ebay and look up Timken bearing sets 4 & 17, they fit the 3500# Dexter axle on the Casita and they are displayed in such a way so you can see MADE IN USA.

Timken's "Sets" consist of the bearing and race.

Set 4
Timken SET4 Wheel Bearing Set | eBay

Set 17
Wheel Bearing and Race Set-Race Set Front Inner,Rear Inner TIMKEN SET17 | eBay

Joe
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