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Question about bearings

S

ScottyHOMeY

Well-known Member
My neighbor, Dave, is gettin' ready to overhaul a stuck 1940 A that had laid around his dad's yard for a few years. We had just moved it indoors tonight when his dad stopped by.

We were talking about opening the motor up to see what we had to work with and when we got around to talking about opening up the bottom his dad asked if the main and rod bearings were inserts or babbit. I know these are inserts, but don't know about the older tractors like the Regular and on back to the 10-20s, 15-30s and so on.

Did those older ones have the poured babbit bearings or inserts?
 
I think they used inserts on the rods and ball bearings for mains on the 10-20's & the 15-30's. Hal
 
I did a 51 Super A a couple of years ago, I don"t know what type of bearings you call them, but they have two halves. You could try looking up rebuild kits and see if there are any pictures.

Brian.
 
Thanks, Brian. Those are what I call inserts. The bearing surface on them is babbit or maybe these days another low-friction alloy bonded to a harder backing that forms the semi-circles of the two halves

Dave's dad got me wondering about an older style, where you had to melt babbit and pour your own bearings. He's got my curiosity up and I'm thinkin' I'm gonna have to do some Googlin' to see just what that process is on that.
 
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