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GE motor on a 10ER
Posted: Sun May 25, 2014 9:47 pm
by e2512
Today I decided to install new bearings in a GE motor on a 10ER. I took it apart and found it had ND 3203 bearings. No problem, my cross reference says to use 6203 bearings. The OD fits perfect. But their to small in the ID. Not even close to fitting. Has anyone had this problem? Any solutions?
Thanks in advance to anyone that replys,
Tom
Posted: Sun May 25, 2014 10:42 pm
by billmayo
I find most of the 6000 series of bearings can have more than one different OD and/or ID for the same number. I find I have to use my digital calipers each time after I remove the bearing. I recommend removal of any bearing and measuring it before ordering a replacement.
Posted: Tue May 27, 2014 12:06 am
by e2512
Problem solved. I chucked the rotor in my lathe and turned the bearing surfaces down. Bearings fit great!
Posted: Tue May 27, 2014 12:30 am
by JPG
e2512 wrote:Problem solved. I chucked the rotor in my lathe and turned the bearing surfaces down. Bearings fit great!
From 17 mm to 5/8"?
Posted: Wed May 28, 2014 1:10 am
by e2512
JPG40504 wrote:From 17 mm to 5/8"?
Got me? I just turned very little at a time until it felt like it would be a good press fit. Then I pressed the bearings on with my press, installed the rotor and end caps. Went together fine And runs sweet. Eyeballed the whole thing. I'm not positive the bearings I pulled out were the right ones. They just didn't seem right. But this motor will make a great low speed grinder for tool sharpening.