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Rear wheel bearing replacement

 
Old 08-28-2010, 01:49 PM
  #21  
turtlevette
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Originally Posted by Mike Ward View Post
Magic.

Why are spun races seen only on the rear?
Have we seen spun races? Normally the races grenade because they fracture due to an overly tight press fit.
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Old 08-28-2010, 02:50 PM
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I tot I taw a pic just last week of a spun race, wombvette commented on it (?)
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Old 08-28-2010, 04:25 PM
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When I rebuilt m TA's I had to replace na axle because of a spun bearing
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Old 08-28-2010, 10:09 PM
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Originally Posted by Mike Ward View Post
I tot I taw a pic just last week of a spun race, wombvette commented on it (?)
Originally Posted by stpman View Post
When I rebuilt m TA's I had to replace na axle because of a spun bearing
did they spin or did they break up like most do?
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Old 08-28-2010, 10:31 PM
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The ones I've seen were classic spun races. I take particular interest in this subject as it relates to an area I was responsible for back in the dark ages when I had to work for a living.

Can't say I've seen the same number of fractured races from overly tight fit.
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Old 08-28-2010, 10:55 PM
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Spun
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Old 09-22-2010, 10:11 AM
  #27  
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Hi everyone, we are getting readyto pack and reinstall bearings on the 76 StingRay after a long wait for parts. I believe I have everything I need and understand the process. However, I have a simple (probably dump) clarity question. What exactly does end play mean? Is it the amount of movement in the spindle after everything is reinstalled? If so, is it up/down, side/side or in/out movement that we are talking about? Thanks.
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Old 09-22-2010, 10:26 AM
  #28  
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With tapered bearings it results in all the above, but you want to measure and set the in/out.
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Old 09-22-2010, 10:44 AM
  #29  
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Do you have a shop manual,information,pics to go by ?

Show us some pictures of your work,we might be able to help point out any/some possible problems you might have.

What measurement are you trying to get on the in/out movement of the
axle ?
Remember the grease will take up some room in the bearings and races,so be very very careful on this measurement

Do you have an dial indicator ?
Do you have a torque wrench ?

Good luck
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Old 09-22-2010, 11:44 AM
  #30  
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FWIW I buy a lot of cores. I see a lot of front wheel bearing assemblies with spun races. It's pretty much a 50/50 shot if they are good or not and I have to eat the bad ones. I have much better luck when buying t-arm cores.
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Old 09-23-2010, 08:52 AM
  #31  
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Ok thanks, so all of the above possible on the movement. I do have a torque wrench and will be purchasing a dial indicator before I begin the installation. It does not seem like I need the magnetic dial indicator base correct? I do not have a shop manual for this job but I do have one on order. I have all the tools (e.g. installation tool, setup tool, shims, etc) recommended by others from Mid America so I believe I'm good to go. Just trying to make sure I understand what I am looking for in the movement and measurements.

Also, I purchased Timken bearings from Duntov Motors. Any opinion on those? I do need to grease the outer and inner surfaces of the races as well correct? Thanks.

Last edited by hgoodwiniii; 09-23-2010 at 08:59 AM.
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Old 09-23-2010, 09:09 PM
  #32  
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Originally Posted by hgoodwiniii View Post
It does not seem like I need the magnetic dial indicator base correct?

Also, I purchased Timken bearings from Duntov Motors. Any opinion on those? I do need to grease the outer and inner surfaces of the races as well correct? Thanks.
you do not need a mag base if you have a clamp style

Timkin bearings are top shelf

and no you don't grease the outer part of the race just were the rollers/bearings ride

Mark

Hey I just noticed you are in Houston,
Where do you live ?
I have all the measuring tools you might need,being I'm out of work machinist.

If you need a hand give me a shout.
PM me on here

Last edited by 1971corvette; 09-23-2010 at 09:15 PM.
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Old 09-23-2010, 10:00 PM
  #33  
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Originally Posted by Van Steel View Post
FWIW I buy a lot of cores. I see a lot of front wheel bearing assemblies with spun races. It's pretty much a 50/50 shot if they are good or not and I have to eat the bad ones. I have much better luck when buying t-arm cores.
spun races on the front? In the hub? or the spindle.
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Old 09-23-2010, 10:35 PM
  #34  
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Will do Mark. Will give it a go tomorrow. If not looking good. I will give you a shout. Send me a private msg with your info. Thanks.
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Old 09-24-2010, 01:30 PM
  #35  
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Originally Posted by turtlevette View Post
spun races on the front? In the hub? or the spindle.
Front hubs. Front spindles usually mic out good unless it's really thrashed.
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Old 09-24-2010, 09:49 PM
  #36  
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Originally Posted by DVagedes View Post
.

The bearing set-up tool is worth the money, it allows you to select the right amount of end play without having to press on and press off(and likely destroy) your new bearings.
An old spindle works just as well. Emery the shet out of it so your bearings don't get stuck.
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Old 09-26-2010, 10:00 PM
  #37  
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Hi all. I have the passenger side done with bearings in place on the 76. I know the specs call for end play to be in the 0.001 - 0.008 range. I actually have 0 measurable end play after I torqued everything down. Is 0 end play going to cause a problem?
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Old 09-26-2010, 11:02 PM
  #38  
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Originally Posted by hgoodwiniii View Post
Hi all. I have the passenger side done with bearings in place on the 76. I know the specs call for end play to be in the 0.001 - 0.008 range. I actually have 0 measurable end play after I torqued everything down. Is 0 end play going to cause a problem?
The problem with 0 is that you don't know if that is really a 0 or too tight. Its going to all read 0. It should have the play, if it doesnt, you really should recheck it. What was the reading with the dummy shaft? However. with some of today's seals it is difficult to measure any play after the nut is tightened. The seals pinch and tighten the unit. If it turns freely with no noticeable drag on the bearings, it might be OK.
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Old 09-27-2010, 08:41 AM
  #39  
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The play with the dummy shaft in was 0.002. It spins pretty freely now but it's not loose. I'll probably just remove the other side and compare the spin and go from there.
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Old 09-27-2010, 09:37 AM
  #40  
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