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Old 09-15-2015, 09:09 PM   #1
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Wheel bearings

when you guys refer to EZ lube is that the same as buddy bearings used on boat trailers?
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Old 09-16-2015, 07:24 AM   #2
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never mind I googled it. anybody use buddy bearings (typically for marine use)?
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Old 09-16-2015, 07:51 AM   #3
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A bearing buddy is designed to hold pressure against the back seal to prevent water getting in when submerged. RV seals will not stand the pressure and you load up the brake drums with grease.
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Old 09-16-2015, 08:10 AM   #4
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1olcatonr

Thanks for your post. I wasn't totally sure how those worked, or even if there was a difference.
You have cleared it up.
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Old 09-16-2015, 10:58 AM   #5
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Quote:
Originally Posted by 1olcatonr View Post
A bearing buddy is designed to hold pressure against the back seal to prevent water getting in when submerged. RV seals will not stand the pressure and you load up the brake drums with grease.
Huh?
The EZ lube system a zerk fitting on the end of the axle with a hollow shaft to reach the inside bearing as well as the outside. Kind of works the opposite of a Bearing Buddy with the same result.

The newer style Bearing Buddy's have pressure relief systems to avoid overfilling and blowing out the rear seal.

Most rv' s have a double lipped rear seal to avoid most seal failures.
However, if it does blow, grease will ooze out of the seal and cover the inside of the rim with grease. It won't load up the brake drums as noted before.

Not sure where that came from?

I use Bearing Buddy's on both my boat and my rv without issue.
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Old 09-16-2015, 11:19 AM   #6
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Quote:
Originally Posted by 1olcatonr View Post
A bearing buddy is designed to hold pressure against the back seal to prevent water getting in when submerged. RV seals will not stand the pressure and you load up the brake drums with grease.
Quote:
Originally Posted by r2millers View Post
Huh?
The EZ lube system a zerk fitting on the end of the axle with a hollow shaft to reach the inside bearing as well as the outside. Kind of works the opposite of a Bearing Buddy with the same result.

The newer style Bearing Buddy's have pressure relief systems to avoid overfilling and blowing out the rear seal.

Most rv' s have a double lipped rear seal to avoid most seal failures.


Not sure where that came from?

I use Bearing Buddy's on both my boat and my rv without issue.


So, who has the correct information here?
Bob, I don't think I can agree with you on this part---

It won't load up the brake drums as noted before.
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Old 09-16-2015, 11:22 AM   #7
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Well,
Trying to download pictures in this post, but each time I try, it kicks me out of the website. Then I have to log in again?
I did put a couple of pictures in my gallery, one that shows a rear seal leak.
Messy from the backside.
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Old 09-16-2015, 11:28 AM   #8
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There is some pretty good reading on this thread.
http://www.crossroadsowners.com/foru...en-1366-2.html
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Old 09-16-2015, 06:52 PM   #9
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I continue to be amazed by all the posts of EZ lube or bearing buddies on RV's! Why do so many people believe they need to force all that wheel bearing grease into the hub of an RV that is never submerged in water like a boat trailer?? Think about this, on your car or truck, you packed wheel bearings every few years or when you replaced brakes. They were fine with this type of maintenance. I have never had a wheel bearing failure on any vehicle I ever owned. Now that we have EZ lube hubs and bearing buddies (designed for boat trailers by the way) some people are pumping the hubs on their RV's full of grease and thus lose nearly all of their braking power because the brake shoes, drums and magnet are covered in lubrication..........the rear seal always leaks when overfilled.
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Old 09-16-2015, 07:35 PM   #10
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The issue I see with using the zerk fitting is you don't REALLY know how much of the grease is actually reaching the back bearing without getting "too much". The grease fills the front bearing and then goes down a small hole manufactured into the spindle and exits near the back bearing. Excess grease fills the cavity of the hub. I don't trust it to work as designed so I pack manually. My 2 cents.
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