03-17-2012, 10:45 AM
The problem is there is only a little over 1/16" between the bearing and the gear. I don't know if that type of bearing separator would work with that small of a gap.
Ed
Ed
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Fixing a Leaky RF-45 Mill Head - Enco
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03-17-2012, 11:04 AM
Ed,
You may need to use one like this.  DaveH 
03-17-2012, 11:06 AM
Ed, of course you know that the advantage of using the bearing separator is to pull on the inner race as opposed to pulling on the outer. The other thing is to tighten the separator so that the sharp inner edges will wedge in between the inner race and the shoulder it buts against to start the separation.
But down in the recess of that gear you may not get in there with a store bought separator and to drive forty miles just to find out it won't fit  .A solution might be to make one that you know will fit using socket head capscrews etc. But, and this is the last but, maybe the price of a new bearing would justify pulling it off the "wrong" way and turfing it would be best. 
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.
03-17-2012, 11:12 AM
Ed,
I agree with Steve, if you use the bearing puller I have shown, then the bearing really shoudn't be used again. DaveH 
03-17-2012, 11:13 AM
(03-17-2012, 10:45 AM)EdAK Wrote: The problem is there is only a little over 1/16" between the bearing and the gear. I don't know if that type of bearing separator would work with that small of a gap. Ed, I have this one ... http://www.harborfreight.com/large-beari...-3979.html ... and must measured the leading edge of the leading edge. It was .088 and got bigger rather rather quickly. I have to assume that the set you were looking at is similar to this ... http://www.harborfreight.com/bearing-sep...93980.html ... and that would suggest that the smaller separator will actually fit. But no matter what it will be pulling on the outer race of the bearing which is not a good thing if you intent to reuse the bearing. But I think you intend to replace all if them replace them so that is not an issue. Arvid
03-17-2012, 11:14 AM
03-17-2012, 11:18 AM
(03-17-2012, 11:13 AM)arvidj Wrote:(03-17-2012, 10:45 AM)EdAK Wrote: The problem is there is only a little over 1/16" between the bearing and the gear. I don't know if that type of bearing separator would work with that small of a gap. Arvid, Thanks, I was hoping the smaller version of that type would have a thin enough lip to get between the bearing and gear. I am replacing all of the bearings and seals so I don't care if I destroy them during removal. Ed
03-17-2012, 11:21 AM
(03-17-2012, 11:06 AM)stevec Wrote: A solution might be to make one that you know will fit using socket head capscrews etc. I would but I don't have a mill to make one with.  Quote:But, and this is the last but, maybe the price of a new bearing would justify pulling it off the "wrong" way and turfing it would be best. I don't mind destroying the bearing since it will be replaced regardless. I just need to figure out a "wrong" way that will work without damaging the gear beneath the bearing. Ed |
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