Old Bronze/ Brass miniature Fly Wheel-like parts ?? 1.125x.312"

[mdmike]

I find these in the water and have a dozen or so from same area 1950s or earlier. Ive pored over the web and never found that they are TOY wagon wheels as they are brass and a bit too precise. They may have been cast, but are finish machined somewhat precisely. Probably fully machined. 3/16 hole, usually with rust residue on the inside. Any good ideas?

 

[Plug N Play]

Maybe rollers off a conveyor ?

 

[DCMatt]

Office furniture caster wheels.

 

[ArfieBoy]

It looks like Plug N Play is on the right track.

 

[Tony in SC]

I have some about that size from an old box conveyor. We us them on small carts for model Hit & Miss engines.