welding a bearing takes the temper out, and it won't last long..
my mistake!. it looked like you welded to the bearing, but now I see the welded part was just a ring the bearing fit into!. https://www.tractorbynet.com/forums...omemade-two-wheel-tractor-20190307_111907-jpg so all good!..You did not understand correctly. First I do welding, and then I cut the hole for the bearing.
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yeah, you wouldn't want the reverse going so fast, it runs you over!..Now in the photo there are gears for switching the reverse and the front run. It is necessary to make an additional reduction of revolutions in 4 times and to make a power take-off shaft