Just got a ball bearing ring set

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Gibson Ballbearing Owners Group

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119 Members, Created 1/26/2011 -

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From Dave1climber on 11/6/2011 9:39:00 PM

Can any one tell me the dimensions of a rim? Hole size, depth, etc.

Any help would be wonderful.

Thanks

12 Comments
	Fathand says: 11/7/2011 5:16:31 AM Do you have a 25 or 26 Ring? I will be changing the head on my 25 shortly and can get the dimensions then if no one else speaks up. Contact me in a couple weeks if you don't here from me.
	gdoc says: 11/7/2011 6:23:45 AM there was a thread a couple months back of someone who got all that info and built a BB pot. I'll look for it.
	gdoc says: 11/8/2011 4:26:56 PM Here's one link where that info is given... I think there is another too done not to long ago. banjohangout.org/topic/210788
	Dave1climber says: 11/8/2011 7:02:42 PM Many thanks to Gary for the link. It seems to have all the info I need.
	Dave1climber says: 11/9/2011 3:24:58 PM So I am puzzled, when i bought my ring set it was listed as a 26, however it has the scallops on the ring and no holes in the hoop. Could this be a late 25 or a early 26? The ring has sixty holes. Also when doing online research I found this link: siminoff.net/pages/gibson_rim_...tion.html If you look at figure 5 you will notice between the outer ring and the rim a spacer of some sort. Does anyone know what that is? Does anyone's banjo have such a spacer? Thanks Dave
	Fathand says: 11/10/2011 4:06:41 AM In figure 5, if you mean the part marked C, that is the scalloped portion of the ring. If you mean the grey L shaped area about midway down the ring that the trim ring is setting on, then yes, my banjo has a brass hoop there about 3/32" square. It is either dirty or stained to match the rim as it is almost invisible unless you take the banjo apart.
	Fathand says: 11/10/2011 4:08:40 AM Read my post here: banjohangout.org/topic/210788 which gives a better description of this part.
	Dave1climber says: 11/10/2011 8:20:49 AM Thanks Rick for the rapid reply with the most important part of my question. Still leaves me wondering if it's a 25 or 26 ring, I will use it regardless. Dave
	Fathand says: 11/10/2011 11:06:07 AM If you have the scalloped ring and the non-shotgun skirt you probably have parts mixed from different years or something produced in the middle of changing over. I would just use what you have and enjoy.
	gdoc says: 11/10/2011 11:41:57 AM hmmm. I posted eariler, but it's not here.... now I'l probalaly get a double post.... My 25 BB is original pot and hardware. But it came with the scalloped ring and the skirt has no holes! Gibson doesn't seem to have a hard cast set pattern of doing things.
	Dave1climber says: 11/10/2011 3:04:20 PM Rick, thanks for the reply, I will use what I have and enjoy. Dave
	Dave1climber says: 11/10/2011 3:12:16 PM Gary Sounds like I have a 25 ring set. Thanks for the reply Dave
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