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Blog entry by JonK posted 03-19-2013 02:56 AM 1401 reads 0 times favorited 4 comments Add to Favorites Watch

Ok, with past entries and wisdom from LJ pros I was able to get the jointer I could afford. I located a older Craftsman contractor jointer for a good price on-line and brought my new tool home to set it up. The tool was well taken care of but the blades were rusted to the blade chuck so, with every unsuccessful effort to remove the blades with directions found in the manual I had to disassemble the part. This means taking out the arbor and bearings. Quite the job!
Now that I have everything to reassemble the tools insides I have found that the arbor is not fitting thru the bearings.

So here is my question: Do I need to have the bearings (bearings are factor specification) pressed on or should I sand down the arbor for a slide on fit?

I hope someone can give me a idea. Thanks.

4 comments so far

View Grandpa's profile


3259 posts in 2701 days

#1 posted 03-19-2013 03:19 AM

I wouldn’t sand anything to fit. If you can’t slide the beasring on then maybe they need to be pressed into postion. One you remove a few thousandths of material it is gone. If they didn’t want it there I would think they would have removed it.

View NormG's profile


6139 posts in 3029 days

#2 posted 03-19-2013 04:27 AM

I am not sure, but if they came apart that easy, they should return the same way.

-- Norman - I never never make a mistake, I just change the design.

View davidroberts's profile


1027 posts in 3511 days

#3 posted 03-19-2013 06:36 AM

From everything I know, which you would need a good sized thimble, for the one and done type of project, such as one time bearing replacement, an auto repair shop, parts store, electric motor repair shop, etc., will press your bearings in 5 minutes for $20 tops. If you plan to change out bearings 2 or 4 times a year on different equipment, google shopmade arbor press, or bearing press. Most work using a hydraulic type house jack. You don’t really need channel stock. 6×8 timber will work for typical woodworking equipment bearings. Better if you support the wood with metal straping.

You can gently polish the arbor, like with a rouge, but I would not “sand” or remove any material from the arbor or bearing inner race. You should remove any burrs or gouges you can see or feel by gently filing the specific area. Small diamond files work well in this instance, and are relatively cheap. If you have not got them pressed on yet, and they are original to the machine, or at least to you, consider buying new bearings. You probably only plan to have the machine stripped down once, so take advantage of the situation, no matter how you got there. It is a windfall.

-- Better woodworking through old hand tools.

View JonK's profile


52 posts in 2004 days

#4 posted 03-19-2013 02:29 PM

David R,
Thanks for the heads up information. Yes, these bearings are going to be new and I will find a machine shop to press these onto the arbor. Thanks again.

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