Help with antique casters

I'm restoring a pair of dining chairs and need some help. I need to replace the casters, but I can't get a piece out. Instead of the type with the metal on the outside that you can pry off, this only has a piece of metal on the inside, with no way to grab it. Has anyone seen this, or have any ideas of how to get them out?

 

Take a close picture of the problem and post it on this forum.....I think I understand what your saying, and it would seem there should be some type of inverted sort of "Pliers"...... hard to describe.....others might find an image of what I'm trying to say.....and others will reply....keep checking back!!!!
BTW, WELCOME to ANTIQUERS,@BrandiH !!! If you have trouble posting images, give a shout....we'll help with that too!!

 

Per Aqui's reply, you can see what expanding pliers look like on:
Amazon->

You could also try and drill it out. Get a bit that's a little larger than the tube and start slowly. See if you can get it to bite and then pull up on the drill while keeping it turning. You may get the tube stuck on the bit.

They sell 'easy out' bits too that bite into metal that you can try to loosen it up, but I'd look at free options first.

 

I keep trying, but it says the image is too large.

 

Ah, here we go!

 

if it was screwed in , you may be able to screw it out...

 

If it is screwed [which I don't think it is], a pair of Stillson wrench on the static part will move it. Will probably move it if it is pushed in. Otherwise, as per @sabre123, and the outside bell will come off; then try back-and forth with some sort of pliers. Good luck

 

There are times when my lack of expertise annoys the heck out of me!
I neither understand the question, nor, Eegad!, the answers! Hope Brandi is better informed.

 

These are almost impossible to get out without damaging the wood. Any chance in finding casters that will utilize these as-is?

 

Well, if anyone has an idea of where to get four matching casters with 1/4" wide and 2 1/2" long stems, then yes, I could use what's there. Everything I've found it too wide.

 

From that image, it does look (to me!) like it's screwed in....what say you both, @sabre123 and @verybrad ??

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Don't think it is screwed in. Looks like a pin there to expand the sleeve once inserted. Problem with these is that get get rusted in and almost impossible to remove.

 

I have never seen this type, but I don't think it's screwed in.

It looks like it's been varnished over, and you may want to break that seal with an X-Acto knife or something before trying to do any removal procedure. Also, you can try to heat it up with a hair dryer before your attempts.