Blind bearing removal

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Scottzone
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Blind bearing removal

Post by Scottzone »

Any tips for removing these blind bearings from a SST gearbox? The smaller size is 5x10 and the larger size is 8x14.
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THEYTOOKMYTHUMB
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Re: Blind bearing removal

Post by THEYTOOKMYTHUMB »

Maybe put a tiny L bend in a real tiny flat head screwdriver?? Hard to tell if there is any chance it could fit in there to pry it out without damaging anything.
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Re: Blind bearing removal

Post by Frankentruck »

I would insert the shaft that goes in it, or one of similar diameter, and rock the shaft left/right forward/back to try and walk the small bearing out. I don't know how brittle the gear case is so don't get too extreme with the side to side shaft rocking.

For the larger bearing, I would flip the case over, use a small screwdriver to catch the edge of the bearing, and tap it in several locations to push it out.
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Dangeruss
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Re: Blind bearing removal

Post by Dangeruss »

Dental Pick

Or turn it over and...

Image

...smack the case a few times.

:P :P :P

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Re: Blind bearing removal

Post by THEYTOOKMYTHUMB »

If all else fails, just grab the ol' persuader. :mrgreen:
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Re: Blind bearing removal

Post by GoMachV »

I do what frankentruck recommend, just a little wiggle and they will usually pop right out.

If you are feeling adventurous you could do what we do for pilot bearings on a transmission, pack the center hole of the bearing full of grease and insert a 5mm shaft, the grease will hydraulically force the bearing out. It's messy but it works.

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Re: Blind bearing removal

Post by Dangeruss »

GoMachV wrote: Thu May 15, 2025 9:42 am If you are feeling adventurous you could do what we do for pilot bearings on a transmission, pack the center hole of the bearing full of grease and insert a 5mm shaft, the grease will hydraulically force the bearing out.
Or go full Roadkill and use Wonder Bread instead of grease. :lol:

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Re: Blind bearing removal

Post by Scottzone »

Dangeruss wrote: Thu May 15, 2025 10:44 am
GoMachV wrote: Thu May 15, 2025 9:42 am If you are feeling adventurous you could do what we do for pilot bearings on a transmission, pack the center hole of the bearing full of grease and insert a 5mm shaft, the grease will hydraulically force the bearing out.
Or go full Roadkill and use Wonder Bread instead of grease. :lol:
Lots of results about bread when you Google this issue haha.

The non-fully blind bearing gave me the most trouble. I think dirt got in and jammed it tighter.

Here is what I was able to make work:
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