Needle bearings

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Geochurchi
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Joined: Mon Feb 22, 2021 7:49 am

Needle bearings

Post by Geochurchi » Fri Apr 09, 2021 11:43 am

Hi All, what is the difference between a closed end and open ended needle bearing, except for the obvious, also what is the easiest way to remove them from a truck frame?
Thanks

Bob D.
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Location: Saco, ME. USA

Re: Needle bearings

Post by Bob D. » Fri Apr 09, 2021 1:01 pm

There is no difference except for the obvious. One is open ended and a shaft can pass thru it. The other is closed ended and one side is blind. No tricks to remove a closed if no provisions were made for removal in a blind housing. Best you can do is collapse it and extract. For an open bearing use a piece of shafting that fits well, pack the bearing with grease, put the shaft in and whack it with a hammer. Bearing will usually move out hydraulically. I've had luck doing this with a closed bearing by drilling a hole thru the closed end first. If all the needles have fallen out it is best to just collapse it.
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Geochurchi
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Joined: Mon Feb 22, 2021 7:49 am

Re: Needle bearings

Post by Geochurchi » Fri Apr 09, 2021 1:24 pm

OK,Thanks.

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BigDumbDinosaur
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Re: Needle bearings

Post by BigDumbDinosaur » Fri Apr 09, 2021 1:32 pm

Bob D. wrote:
Fri Apr 09, 2021 1:01 pm
No tricks to remove a closed if no provisions were made for removal in a blind housing. Best you can do is collapse it and extract.
Swearing at it helps with removal. :D
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Research is what I'm doing when I don't know what I'm doing.

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BadDog
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Re: Needle bearings

Post by BadDog » Fri Apr 09, 2021 3:44 pm

I've welded a heavy bead around the inside to remove such things. If you are not concerned with keeping it intact, just run it hot and fat, and when it cools, it can pull the OD undersize enough to remove with little or no effort.
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LIALLEGHENY
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Location: Bohemia, NY

Re: Needle bearings

Post by LIALLEGHENY » Sat Apr 10, 2021 9:08 pm

BigDumbDinosaur wrote:
Fri Apr 09, 2021 1:32 pm
Bob D. wrote:
Fri Apr 09, 2021 1:01 pm
No tricks to remove a closed if no provisions were made for removal in a blind housing. Best you can do is collapse it and extract.
Swearing at it helps with removal. :D
Is this before or after you hit your thumb with a hammer?

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BigDumbDinosaur
Posts: 1379
Joined: Tue Jun 28, 2011 9:19 pm
Location: Midwestern United States

Re: Needle bearings

Post by BigDumbDinosaur » Sun Apr 11, 2021 4:07 am

LIALLEGHENY wrote:
Sat Apr 10, 2021 9:08 pm
BigDumbDinosaur wrote:
Fri Apr 09, 2021 1:32 pm
Bob D. wrote:
Fri Apr 09, 2021 1:01 pm
No tricks to remove a closed if no provisions were made for removal in a blind housing. Best you can do is collapse it and extract.
Swearing at it helps with removal. :D
Is this before or after you hit your thumb with a hammer?
Yes. :D
——————————————————————————————————
Research is what I'm doing when I don't know what I'm doing.

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