Turning your Logan into a Horizontal boring machine....

No doubt it would be nice to have bearings. I guess it depends on how much time you want to invest. Me ....I would bore them and press bushings in.
 
Good Lord willing and me being able I expect another 30 years out of this machine. Plans are when I retire to use that time to make parts for others in our club of Antique Outboard enthusiast. I have contemplated pillow block bearings as they have the ones that can be so called self-centering... But that would entail a whole new part, if I go that far to make a new part I will use sealed bearings.
 
... you will find 2 photos that show no bushings but plenty of room for some. It has a keyway, but in that keyway was an oil wick. Well as you can see from this photo that got neglected early on..
View attachment 231341
If I go the sealed bearings, I am probably going to need it line bored...
Put the shaft thru the fork, and attach one shaft end at your
tailstock; then you can use a steady rest to hold the shaft
near the OTHER end of the fork and dial it in. The yoke
will slide on the aligned shaft.

Then a lathe is lined up for boring it for a bushing. (tool
held in the spindle, work advanced by hand, or try attaching
somehow to the compound).

If your transverse oil holes can be
opened up afterward, the performance of oiled steel-on-bronze might
be good enough for a few decades.
 
Don't know what you decided to do here, but eBay has an early Model 200 countershaft support for sale with a starting bid of 30 bucks. You'd need bushings and their holders
(which are also on eBay) but it might be worth considering.
 
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