Replacement Cartridge for my Roller?

A home owner from Thousand Oaks says:
March 10, 2022
Thank you for your help with this. I see that Roller# 23-064 appears to be the replacement for my 4850145, but I also see that it's out of stock.

Is there a replacement for the cartridge that holds the wheel? I don't need the frame if I can just get the wheel.

The cartridge is 1.5" Wide, 0.5" Deep, and 1.625" to center of wheel (1 5/8) or 2.375" to bottom of wheel (2 3/8).
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Tom from SWISCO responded:
March 11, 2022

Unfortunately, there is no replacement for just the interior cartridge of this roller. The only solution we can offer is to replace the entire assembly with our 23-064. I am very sorry for the inconvenience. 
Mirror Wardrobe Door Roller, Concave
Mirror Wardrobe Door Roller, Concave
23-064
$10.97
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