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Niagra Punch press bearing

m612

Plastic
Joined
May 25, 2010
Location
Drexel Hill, PA
need some help with a stubborn bearing.
its the rear crankshaft bearing on a niagra E-75 press
made a puller wont budge tried to heat it but not working cause the heat disapates to quickly to surrounding hub and shaft.
anyone run into this before?
about ready to just burn the dam thing out with torch.
shop manuals are no where to be found anywhere.
any help would be great
 
Pictures ! Most of us have absolutely no clue as size or lay out . is this an internal press fit or external ? is this a rolling element bearing? The way to remove bearing races that are a press fit is to not cut but heat bright red a band across the race it will be loose on the shaft or in the hole after cooling . if bearing is assembled, disassemble by remove shield and disassemble cage allowing balls to be offset to 1 side freeing inner race . this can be accomplished by welding to shrink a bearing in a bore
 








 
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