Sliding glass door roller

A home owner from Oakley CA says:
November 15, 2015
Hi,

I need help identifying this sliding glass door roller. Our sliding glass door is aluminum and installed 1989 but don't know brand or manufacturer. We're having difficulty closing and opening the door. The tail on the other end baffles me and would welcome complementary parts too so I can make 1 order.

Thanks in advance.
Tisha
User submitted photo of their door hardware.
Profile picture of Paul
Paul from SWISCO responded:
November 16, 2015
Hello, Tisha. Depending on the diameter of your wheel, I believe you could use either our 81-039 or our 81-256 as a replacement. Check them out and let me know what you think!
Patio Sliding Glass Door Roller, 1-1/2" Dia.
Patio Sliding Glass Door Roller, 1-1/2" Dia.
81-039
$15.10
Sliding Glass Door Roller, 1-1/4"dia. Steel Concave BB
Sliding Glass Door Roller, 1-1/4"dia. Steel Concave BB
81-256
$17.82
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