The Microwave Trick? It's the easy way to heat bearings!

Without further info, I would also wonder how the grease get along with the microwaves. Would hate to find out down the road that the microwaves boiled some of the special additives.

Have to sleep on this one.
 
My wife would have my ass for putting a greasy bearing in her microwave, besides, I have a induction heater. Interested to hear more on this anyway.
 
Without further info, I would also wonder how the grease get along with the microwaves. Would hate to find out down the road that the microwaves boiled some of the special additives.
Have to sleep on this one.
My wife would have my ass for putting a greasy bearing in her microwave, besides, I have a induction heater. Interested to hear more on this anyway.
Given that the goal is to heat the bearing to around 200ºF, I'd suggest trying the "tea bag" method. Put some water in a crummy steel or aluminum pot on your shop hotplate, bring it to a boil, take it off the hotplate, and dunk the bearing in the water for a minute or two. The cool bearing will take te water temperature down a bit, so it should get close to the ideal 200º. Or just keep the water boiling (212º) and dunk the bearing in. No need to worry about contaminating or shorting out a microwave used for food, and "Goodwill special" pots are cheap.
 
When I need to do stuff like this, I use the oven and bake the part.
 
I've used both the microwave and toaster oven for bearings and the dishwasher for snowmobile clutches (don't need to un-assemble them just to clean them that way!) with good results.
 
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