Wanted: Bore Gage

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83hurstguy
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Wanted: Bore Gage

Post by 83hurstguy » Tue Mar 12, 2019 9:11 pm

Looking to purchase a bore gage for measuring bearing clearances. Prefer a Sunnen if I can find one, would also consider a Mitutoyo 545 if someone has one.

Thanks in advance!

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Re: Wanted: Bore Gage

Post by PackardV8 » Tue Mar 12, 2019 9:36 pm

Yes, the Sunnen is best, but sort of a must to get the setting fixture with it, and that's bigger bucks.

I've got a Mitutoyo which might be for sale. I'll get photos for you.

jack
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83hurstguy
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Re: Wanted: Bore Gage

Post by 83hurstguy » Tue Mar 12, 2019 9:38 pm

Thanks Jack! I'll send you a PM.

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Re: Wanted: Bore Gage

Post by Charliesauto » Tue Mar 12, 2019 11:54 pm

83hurstguy wrote:
Tue Mar 12, 2019 9:11 pm
Looking to purchase a bore gage for measuring bearing clearances. Prefer a Sunnen if I can find one, would also consider a Mitutoyo 545 if someone has one.

Thanks in advance!
If you find a Sunnen gage and want a setting fixture, I have an extra one, I would like to sell.

PM me if interested.

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Re: Wanted: Bore Gage

Post by leahymtsps » Wed Mar 13, 2019 6:42 am

PackardV8 wrote:
Tue Mar 12, 2019 9:36 pm
Yes, the Sunnen is best, but sort of a must to get the setting fixture with it, and that's bigger bucks.

I've got a Mitutoyo which might be for sale. I'll get photos for you.

jack
Morning Jack
I own several of each and personally I don't think the Sunnen is any better than the 545 and in fact
the 545 leaves less of a mark on bearings.

Tom

83hurstguy
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Re: Wanted: Bore Gage

Post by 83hurstguy » Wed Mar 20, 2019 10:05 am

Thanks for the responses so far, still looking if anybody else has one, particularly a Mitutoyo 545.

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Re: Wanted: Bore Gage

Post by gofaster » Wed Mar 20, 2019 10:56 am

I have a Mitutoyo 545-136 with tenths dial. PM me if you're still looking.
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83hurstguy
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Re: Wanted: Bore Gage

Post by 83hurstguy » Sun Mar 31, 2019 10:05 pm

Still looking... thanks to everyone for the responses so far. I would need the 545-135 to measure the 2-3" range.

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Re: Wanted: Bore Gage

Post by PackardV8 » Mon Apr 01, 2019 12:28 pm

In looking over the two side by side, the Mitutoyo requiring three shafts to cover .75" - 6", where Sunnen can do it all with one would be the deciding factor for us.

The Sunnen setting fixture is additional cost, but again, so much more convenient to use, it's the best choice for shops.

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Re: Wanted: Bore Gage

Post by leahymtsps » Tue Apr 02, 2019 6:23 am

In looking over the two side by side, the Mitutoyo requiring three shafts to cover .75" - 6", where Sunnen can do it all with one would be the deciding factor for us.

Jack, exactly what Sunnen gauge will measure from .75" - 6"? It takes me 3 and they require 2 different setting fixtures
6000 -.740 - 1.19
9000 - 1.18 - 2
2000 - 2 - 6


The Sunnen setting fixture is additional cost, but again, so much more convenient to use, it's the best choice for shops.

The problem with used setting fixtures is threads can be worn in certain spots of their travel. In other words they can
be accurate at some diameters and not so much at others. Its no different than used mics.

Tom

83hurstguy
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Re: Wanted: Bore Gage

Post by 83hurstguy » Wed Apr 03, 2019 7:41 am

Thanks everyone. I ended up finding a fair deal on a Sunnen GR from its original owner with light use, so it should be on its way. I'll post pics once I get it.

As Jack noted, buying an extra head for a Mitutoyo 545 (or just two gauges) to measure 2-6" was pricey, and finding it with sufficient length was also a challenge.

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Re: Wanted: Bore Gage

Post by 83hurstguy » Sun Apr 07, 2019 4:30 pm

Here’s the Sunnen gauge I purchased. It’s older (has metal case) but definitely has very minimal/light use, don’t really see wear on anything. There’s no model number on it that I see externally, but based on the 12” length and retractable feature, I’m guessing it’s a GR-2121. Anything else to check on these?
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Re: Wanted: Bore Gage

Post by gofaster » Sun Apr 07, 2019 9:00 pm

It looks a lot like my GA-2125, (mine doesn't have the retract feature). Very nice find. Make sure it reads the same after you retract and release a few times in a ring gage or a test bore. One of my smaller GR-6000 Sunnen gauges started to get inconsistent many years ago and I sent it back to them for repair. I haven't had any trouble with it since. Dirt and gravity are common problems, keep them clean and don't drop them.
Jim McMahon
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83hurstguy
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Re: Wanted: Bore Gage

Post by 83hurstguy » Mon Apr 08, 2019 2:22 pm

Thanks Jim. I did check it a few times, and it seemed to be repeatable.

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