Bob from SWISCO responded:
June 4, 2023
Thanks for posting. The roller looks like our 23-199. See the dimensions below to compare with your old roller. Also note that this roller comes in a ball-bearing version, the 23-225. Finally, for a compatible track, see the 23-243 72" track and the other-sized variants that I have listed on this page. Detail of 23-199
Alternate view of 23-199
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