Sliding glass door wheels

A quick learner from Newport Beach California says:
Home built 1960s
Says Kilian. Toronto and Syracuse on the wheel. I didn't see other markings.
User submitted photos of a patio door roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I believe you should start by looking at our 81-237 replacement roller. It appears to be the closest to your dimensions. You might also want to see our axle repair kit, 81-310. What do you think?
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