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That was proper engineering but unworkable with small stuff.That's just too much like real engineering for me!
One tip I was told about installing new bearings is to mark the shaft where the bearing sits with a metal punch to make sure it won't spin on the shaft, which they tend to do with new tight bearings or old seizing bearings.
The metal punch (center punch) will work however if the raised surface is then too big you can load the bearing causing premature failure as you can if the bearing spins on the shaft.
Loctite make bearing fit which takes up a few thousands of an inch if the bearing has been spinning on the shaft. How do you guys remove and fit the new bearings because doing that wrong can cause premature failure as well.