Heavy Patio Door Track Rollers

A quick learner from Merrillville IN says:
Might be Anderson. Only mark on part is an "A"

User submitted photos of a patio door roller.
Profile picture of Paul
Paul from SWISCO responded:
Seeing as how this is for a heavy door, consider our 81-149 stainless steel patio glass door roller. This can carry doors weighing 150 pounds. I would just confirm that our specifications all match up to your roller.
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