Posted by RodInNS on December 07, 2008 at 07:11:25 from (216.118.158.123):
In Reply to: Stuck disk bearing posted by super99 on December 07, 2008 at 03:37:43:
I think the first thing I'd do is try and get a number off that insert, or at least get the race OD, width and gang bolt OD from another bearing, then call a local bearing supplier and get a price on those inserts. I'd seriously consider changing ALL of them, and probably the gang bolts while you're at it if you really want to rebuild the disc into a relatively troublefree unit. You're changing the blades... so if you're in for a penny, may as well go for a pound.... now.
When you have a firm price on the insert I think is when I'd decide how bad I wanted to push on that cast housing... you might also price that out and see if it's worth your while to risk breaking it. I guess what I'm saying is if the housing is cheap and the insert expensive, you'd put it in the press again and push hard. If it pops, it pops. IF it breaks, it breaks. If you don't want to break the housing, you nip the inner race out of the bearing now with the torch, remove the balls and then pull the gang bolt... cut the race off and you're free. Then drive/twist the outer race from the housing.
The only other thing I would try is pushing the bearing in the other direction on the gang bolt if there's even a little bit of room there. It's more likely there's a burr on the bolt that's holding the bearing up rather than rust. If you can push it back and then file/grind the burr off you might get it apart easy.
I'd also run a wire wheel or sanding wheel down all 4 sides of the length of that gang bolt to clean it up, then grind off any other burrs where the blades were turning on the bolt.
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