Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Are these axle saver bearings OK?

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Old Dec 3, 2007 | 06:21 PM
  #1  
blackbeauty's Avatar
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Are these axle saver bearings OK?

Hi all,

I'm about to replace the bearings in my 10 bolt and have a couple of axle saver bearings to use. However the supplier gave me two bearings which are not the same. The dimensions match, but one bearing doesn't have an inner seal like the other one does. Of course, both have a seal that goes around the circumference of the bearing, plus a seal at the outer end.

Someone suggested to me that I don't need the inner seal because it would go where the worn part of the axle is and would let oil pass anyway. What do you all think? Do I need an inner seal?

Here's a picture showing the two bearings. The one on the right seems to be missing the seal.
Attached Thumbnails Are these axle saver bearings OK?-sany0794.jpg  

Last edited by blackbeauty; Dec 4, 2007 at 04:59 PM.
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Old Dec 5, 2007 | 04:02 PM
  #2  
blackbeauty's Avatar
Thread Starter
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Joined: Apr 2003
Posts: 500
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Are these axle saver bearings OK?

No one has any ideas???
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Old Dec 5, 2007 | 04:56 PM
  #3  
antman89iroc's Avatar
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Joined: Jun 2005
Posts: 1,440
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From: huntsville, al
Car: 89 IROC
Engine: 6.8 HSR N2O
Transmission: TKO 600
Axle/Gears: 9" Moser 3.50 True trac
Re: Are these axle saver bearings OK?

Don't ya hate these kind of situations. Either one is probably ok but once you know there are two different kinds you'd rather have the one with two seals-huh? Well I think the inner seal is most likely a wiper and not absolutly necessary. But I'd try to trade the one in for one with two seals. I have used the axel saver bearings on non-f-body cars with no problems.
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Old Dec 5, 2007 | 05:07 PM
  #4  
blackbeauty's Avatar
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Joined: Apr 2003
Posts: 500
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Are these axle saver bearings OK?

Originally Posted by antman89iroc
Don't ya hate these kind of situations. Either one is probably ok but once you know there are two different kinds you'd rather have the one with two seals-huh? Well I think the inner seal is most likely a wiper and not absolutly necessary. But I'd try to trade the one in for one with two seals. I have used the axel saver bearings on non-f-body cars with no problems.
Thanks for the thoughts. I bought both of these from overseas so while getting another one isn't impossible, it's still a pain in the neck and is time consuming.
Have you used axle saver bearings with and without the inner seal?
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Old Dec 7, 2007 | 04:22 PM
  #5  
blackbeauty's Avatar
Thread Starter
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Joined: Apr 2003
Posts: 500
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Are these axle saver bearings OK?

Here's another twist. I spoke to a guy who sells the bearings yesterday without the inner seal. He said that you don't need that seal because it would stop oil from lubricating the rest of the bearing. I hadn't thought of it that way.
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Old Dec 17, 2007 | 07:58 PM
  #6  
blackbeauty's Avatar
Thread Starter
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Joined: Apr 2003
Posts: 500
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From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Are these axle saver bearings OK?

Next question...

Should axle saver bearings be able to be installed all the way in so the bearing is flush with the outside of the axle tube? Is there some kind of recess for the bearings to sit in?

I've installed my bearings, but both of them didn't seem to install all the way in - the hammer kept bouncing off the install tool rather than driving it in. Here's a picture of one side "installed".

Advice please?
Attached Thumbnails Are these axle saver bearings OK?-sany0797.jpg  

Last edited by blackbeauty; Dec 18, 2007 at 12:17 AM.
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Old Dec 19, 2007 | 03:54 AM
  #7  
blackbeauty's Avatar
Thread Starter
Senior Member
 
Joined: Apr 2003
Posts: 500
Likes: 0
From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Are these axle saver bearings OK?

No one has any clue?
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Old Dec 20, 2007 | 06:59 PM
  #8  
blackbeauty's Avatar
Thread Starter
Senior Member
 
Joined: Apr 2003
Posts: 500
Likes: 0
From: Christchurch, New Zealand
Car: 1989 Trans Am
Engine: 1989 305 TPI
Transmission: 700-R4
Axle/Gears: 2.77 10 bolt
Re: Are these axle saver bearings OK?

Given all the views, it seems no one knows the answer.

So I went to a shop and asked them about the bearings sticking out, and they said it was normal with axle saver bearings.
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