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> Ball Bearings for CV joints
Literati914
post May 23 2023, 08:45 AM
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Has anyone ever tried sourcing just the ball bearings for our CV joints? I went thru the trouble of breaking a few extra cv joints down and cleaning everything up a few months ago, now just realized that I secured all parts in a dry place except the chrome ball bearings (IMG:style_emoticons/default/headbang.gif) . Needless to say they’ve been rained on several time and look terrible. Perhaps they can be cleaned, I’ll need to look into that (suggested methods ? ) - but assuming they’re scored or peeling chrome, are there any chances of purchasing these somewhere?


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markhoward
post May 23 2023, 08:52 AM
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I have some ball bearings from CV’s that are worn. I just did mine and had 2 sets of axles to work with so I chose the best 4 cv’s and have no use for the others. The balls seem fine but I did not look at them that closely. You can have them for shipping cost.
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ogdougy
post May 23 2023, 09:05 AM
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McMaster Carr is the easiest place to find stuff. But you're going to pay for it and will have way too many.
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Mikey914
post May 23 2023, 09:39 AM
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Will be interesting to see how off the shelf bearings hold up. It was my understanding that these were hardened. I may be wrong.
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930cabman
post May 23 2023, 10:36 AM
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Sounds like a time bomb to me. As far as I knew mixing any bearing parts is a big time no no. The precision and wear in involved with any bearing is very tight
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markhoward
post May 23 2023, 04:11 PM
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QUOTE(930cabman @ May 23 2023, 09:36 AM) *

Sounds like a time bomb to me. As far as I knew mixing any bearing parts is a big time no no. The precision and wear in involved with any bearing is very tight


Agree on that one. I think the diameter of the balls were not the same across different cv’s so did not mix up parts.
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mlindner
post May 23 2023, 07:04 PM
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I just had a CV fail, if you want I'll send you the other three.
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porschetub
post May 23 2023, 08:42 PM
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QUOTE(markhoward @ May 24 2023, 11:11 AM) *

QUOTE(930cabman @ May 23 2023, 09:36 AM) *

Sounds like a time bomb to me. As far as I knew mixing any bearing parts is a big time no no. The precision and wear in involved with any bearing is very tight


Agree on that one. I think the diameter of the balls were not the same across different cv’s so did not mix up parts.

I think so also not worth risking IMO.
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Literati914
post May 23 2023, 08:56 PM
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Well it is a thing apparently, a little research led me to a few companies that sell specific ball bearings for CV joints, and yes there is a certain grade/type that’s specific to CV joint use. Here’s one place that’s interesting… with a 930 Porsche bearing replacement available:

https://www.kartek.com/parts/replacement-ty...dividually.html

https://www.kartek.com/parts/replacement-po...dividually.html

https://www.jbugs.com/SV/image/Type-4-CV-JOINT-Specs.jpg


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Literati914
post May 23 2023, 10:36 PM
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False Alarm!! I’m an idiot sometimes.. the bearings I found out in the rain were the ones I’d actually panned out as not ideal. So they were the bad ones that I had and should have been thrown away, thought I did. So I got several complete sets to rebuild including a complete set of 108's too which I also forgot about - thanks everyone for your great (and typical) generosity!


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76-914
post May 23 2023, 11:56 PM
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You're not an idiot. Probably just a senior like most of us here. I can't remember half of the absent minded things I have done these past few years. (IMG:style_emoticons/default/headbang.gif)
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