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ecdez
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OK, so I pulled the bearing out of a drill press (http://www.hobby-machinist.com/threads/help-id-this-drill-press.58476/#post-481498) because they need some attention. One needs replaced so I looked up the part number "3203" and find that they should be 40mm o.d. x 17mm bore x 12mm wide. No problem, plenty out there. The problem is all my measurements match on the one I have except the inner bore. Mine measure .665" or 16.89 mm; close, but not quite there. I have no experience with bearing replacement. Is this normal? Should I just buy one and try it or am I way off here?
As a side question, the drill has small oil ports above each bearing suggesting the originals had to be oiled. The ones I removed have a seal on the bottom but not the top. It looks like the seals were removed on the top of each bearing. Should I just get sealed ones and get over it or put it back like it was?
As a side question, the drill has small oil ports above each bearing suggesting the originals had to be oiled. The ones I removed have a seal on the bottom but not the top. It looks like the seals were removed on the top of each bearing. Should I just get sealed ones and get over it or put it back like it was?