Removal of stuck allen screw...
I heat up the screw with propne torch, then whack a 'sacrifical' allen key into it.I use the next size bigger,lightly grind it down, just a tad to make it 'just fit'. Hold it with vice grips, then hit with hammer,keeping down pressure on the allen key, 'snap' rotate the vicegrip/key combination and see if it moves. Yes ?, great, go back a tad, then 1/4 turn out.repeat as necessary to get it out. Some keys will have been 'locktighted' in ,so heat helps.You might destroy 2 or 3 allen keys built I've always gotten stuck ones unstuck this way.
As for the inner race removal. I've use a 'pickle fork' and several open end wrenches.Again, a good anount of heat helps, then whack the fork in to move the race a bit.Use the wrenches as 'spacers' then whack the pickle fork again to move the race some more.This is how I get drive pulleys off engines as they have to be pushed from the engine side, pullers will only destroy the $80 tin pulleys....
As to the bearing number...you know the shaft size( 1" ) ,and have the 'cage' it mount into so any bearing supply place can figure that out.
Heat and patience go a long, long way to fixing this kind of stuff !!
A trained octopus to hold all the tools helps too !
hth
jay
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