I believe this is the correct part. The numbers I have on my convex wardrobe roller (for which the roller broke in the middle so only 1/2 a wheel is on the roller).
are 21-717, 21-767 and 21-718.
Sure hope you can help. No store around the Palm Springs area nor in Idyllwild has the part.
Thanks. Faith
Paul from SWISCO responded:
July 13, 2016
Hello! Please see our 23-081, this looks to be a good match.
A quick learner from Idyllwild, CA says:
July 13, 2016
I was able to find my exact part on e-bay. Thanks for your help.
Paul from SWISCO responded:
July 14, 2016
Glad to hear you found what you're looking for! Let us know how it works out.