SWISCO - The Replacement Hardware Authority

Help identifying a patio door roller

A home owner from Windsor, Ontario says:
This roller looks just like part #81-138 from your website. The only difference I notice is that my wheels measure 1-1/4" (outside diameter) and the wheels on the listed part are 1-1/8". My roller is marked "DELMAR HARDWARE TORONTO." Can you help me locate the correct replacement part? I'd like to order two rollers. Thank you!
User submitted photos of a patio door roller.
A home owner from Windsor, Ontario says:
Is the wheel diameter measurement taken on the outside of the wheel, or on the smaller, concave inside?

Also, perhaps the 1-1/8" wheel will be big enough considering the adjustment built in to the roller.
Profile picture of Paul
Paul from SWISCO responded:
I agree, the 81-138 tandem roller looks like it can work for your door. You can adjust the wheels to compensate for the difference in size.
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