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04-24-2021, 07:02 PM
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#1
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Member
Join Date: Jul 2020
Posts: 61
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Bearing inspection
I am doing my first bearing repack. Here are few pictures of bearing and race.
https://ibb.co/kcT55Sx
https://ibb.co/t8J92fq
There is some discolouration inside the bearing (first picture).
Can I continue using it?
Unfortunately during this season we won’t travel a lot, probably around 1,000 miles.
I hope it will be safe to tow it this year and I will replace these next year.
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04-24-2021, 07:29 PM
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#2
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Posts: 14,608
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When I zoomed in it almost looks like there is some scoring on the rollers of the bearing. If so I'd replace. The hard part is taking them apart, your more then 1/2 way there.
__________________
Jim J
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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04-24-2021, 07:54 PM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 35,446
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That bearing and race ( cup ) needs to be replaced.
I marked a failing roller.
In the second picture, if you can feel that scratch, it need to be replaced.
With bearings you change both peices anyway.  
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04-24-2021, 08:03 PM
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#4
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Senior Member
Join Date: Sep 2018
Posts: 112
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In the first pic, that looks like his fingerprint in the grease on the roller, not a scored roller!
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04-25-2021, 06:35 AM
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#5
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Senior Member
Join Date: Apr 2019
Posts: 597
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Those don't look bad IMO.
How many miles on them?
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04-25-2021, 06:43 AM
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#6
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Senior Member
Join Date: Jun 2007
Location: Lake Camanche, CA
Posts: 404
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When it doubt, throw it out. Bearing kits are cheap enough. Like mentioned above, you're half way there.
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04-25-2021, 06:48 AM
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#7
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Senior Member
Join Date: Dec 2006
Location: Foxboro Ma.
Posts: 1,096
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the bearing and race are about $20 , if you have any question in your mind replace them. Your photos with grease still on them are not good enough to give you a yes or no. The discoloration on the inside of the bearing body that sits against the hub is not a concern , in fact I would guess it was rust prior to them getting grease and installed. See if you can get a set of Timkins off amazon or E trailer.com, They most likely will be made off sure but in my opinion better quality the those that have no brand names. Pitting in the race(hub side ) and pitting on the rollers on the bearing is a sign that it needs replaced and completely clean out the hub side ,there is some thing solid mixed in with the grease.
__________________
2015 42' Redwood RL38 Morryde IS , disk brakes, 1920W of solar with Victron everything,5 Battleborn, 2024 GMC DRW 3500HD ,60 gallons of fuel in the bed,Hensley BD5 air ride hitch.
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04-25-2021, 07:05 AM
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#8
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Senior Member
Join Date: Jul 2005
Posts: 5,996
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 Bearing and seal look good from here. Just don't get any dirt on them. I am more concerned with your reassembly techniques, since you say this is your first repack job. I'll let the "experts" weigh in first on that issue.
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TandW
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04-25-2021, 07:26 AM
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#9
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Registered User
Join Date: Apr 2020
Posts: 1,603
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Change the bearing. It may last another year but then again in may fail tomorrow. Then you'll probably destroy whatever the bearing and shaft is attached to, at great expense.
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04-25-2021, 10:48 AM
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#10
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Senior Member
Join Date: Oct 2016
Posts: 1,902
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Quote:
Originally Posted by lisaz
In the first pic, that looks like his fingerprint in the grease on the roller, not a scored roller!
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my opinion also^^^ they look fine. you can check the race by running your finger nail across it, should be NO roughness or pits should be nice and smooth and shinny. but new bearings are cheep.
Jay D.
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04-25-2021, 07:09 PM
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#11
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Member
Join Date: Jul 2020
Posts: 61
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Thank you all!
Cleaned all the bearings this morning, looks good.
I have another question. There is some space between inner and outer bearings.
Was I supposed to fill this space with the grease?
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04-26-2021, 05:12 AM
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#12
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Senior Member
Join Date: Jul 2005
Posts: 5,996
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About one/third full or so of the space should be filled with grease. Yes.
__________________
TandW
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04-26-2021, 05:25 AM
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#13
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Senior Member
Join Date: Nov 2018
Location: Rendon, Texas
Posts: 648
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Several years ago I had issues with bearings. If there is any imperfection in any surface get rid of them. Do not buy anything but Timkin if you want them to last. Learned that from the bearing supply store where I was purchasing bearings. Theirs were not Temkin. Once I went to the Timkin's my problems went away.
__________________
Howard & Elaine
2001 Newmar Dutch Star 4095, CAT 330
2014 SRX toad, M&G breaking, Blue OX Avail
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04-26-2021, 08:19 PM
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#14
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Member
Join Date: Jul 2020
Posts: 61
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Sounds good, thank you guys!
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