Dual wheel roller for a Macor 70 Patio sliding door

A professional from il says:
April 9, 2012
tab for screw missing, need to purchase.
A customer submitted photo of a sliding patio door roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
April 24, 2012
Thank you for your patience in this matter. Unfortunately, we have been unable to find a replacement for this roller. However, we do have a single-wheel roller that may work, but I can't be sure. Please take a look at our 81-084. Do you think this could work out for you? The only issue is, it may wear out faster. Let me know what you think.
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