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Implement Alley Discussion Forum

General Bearing removal methods

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JD Jim A.

09-26-2004 18:42:31




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Can anyone go into detail on methods of removing all types of bearings? For example- say you are working on a machine that has a shaft supported by a ball bearing at each end. There is no good way to get in behind the bearing to pound it off with a hammer and punch, and no good way to get a puller on it. also keep in mind that everything is usually very rusty, and that I might not always have access to a torch. Any tricks?

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Ol Chief

09-29-2004 21:08:48




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 Re: General Bearing removal methods in reply to JD Jim A., 09-26-2004 18:42:31  
Freeze the shaft w/dry ice only costs $0.79 per lb.



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RayP(MI)

09-28-2004 06:22:22




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 Re: General Bearing removal methods in reply to JD Jim A., 09-26-2004 18:42:31  
Piccture looks a lot like the one that gave me fits on my baler this summer. Even after I got the bearing apart - race was broken, balls missing, it was frozen on the shaft. Tried gear puller, etc. Nothing moved it. Finally removed it by cutting it with a cutoff wheel on a Dremmel tool. Then I was able to break it apart with a chisel. Hacksaws, and sawsall wouldn't touch it. Dremmel tool is a vary valued tool in my box!

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Kelly C

09-26-2004 21:15:18




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 Re: General Bearing removal methods in reply to JD Jim A., 09-26-2004 18:42:31  
third party image

A torch is on my to buy list. I've had my hands full of bearings and stuck bolts this year.
Here is one way though. Used my puller as a pusher. Pushed the rod through the bearing and pushed out the bearing on the other side at the same time.

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kyhayman

09-26-2004 20:06:42




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 Re: General Bearing removal methods in reply to JD Jim A., 09-26-2004 18:42:31  
There is a bearing puller too that has a lip to fit behind the bearing after removing the flange. Lips clamp behind it with bolts and then pulls. This is one of these 'specialy jobs' that the only thing I know to do is 1. heat the bearing, 2 get a puller set, 3. shrink the shaft with dry ice. Might, and I stress might, get a chisel and either shatter the outer race or if you get lucky pry the whole bearing loose. Then cut the inner race with a chisel. Thats the usual way I wind up doing it with a torch. Best money to be spent on the farm, for me, was $199 for a set of torches and $300 for the tanks.

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JMS/MN

09-26-2004 20:04:52




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 Re: General Bearing removal methods in reply to JD Jim A., 09-26-2004 18:42:31  
With no torch, it is more difficult, but remember that bearing races are often brittle, and can be broken with a hammer and chisel. Do you have access to a die grinder? Cut a slot or two and beat it out.



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paul

09-26-2004 19:59:54




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 Re: General Bearing removal methods in reply to JD Jim A., 09-26-2004 18:42:31  
My torch is on wheels. :) works for me.

--->Paul



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