Industrial casters: polyurethane on aluminum wheels = cheap contact wheels?

will they be able to handle 1500 to 3000 rpm? This is quite a bit more than they are designed to handle.
 
The bearings would need to be replaced and the wheels would need balancing. If you took care of those two issues, they might be okay. I believe all the durometer ratings for contact wheels are shore A so this wheel is significantly harder; somewhere near a shopping cart wheel. If the price is really good, they might be worth trying to re-work and try.

Bob
 
What is the likelihood that the poly would not delaminate from the hub at speed?Changing the application of the caster could have disastrous implications. Not worth it in my opinion. What is the cost of the caster, bearings, balancing compare to a ready to roll BMW contact wheel that is designed for this application? I recommend saving up and doing this once, it will be cheaper than doing it wrong once, then doing it right in the end. With that said, I would interested in seeing how this would work but shoot some video while hiding around the corner. :)
 
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I use long board wheels for idlers. They are holding up great, and I even use it for contact grinding.

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