Sliding glass door wheels

A quick learner says:
I am looking for replacement wheels for a sliding glass door. I believe it is a Vetter door but not sure
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Bob from SWISCO responded:

Please start by looking at our 81-182. This has a very similar design, but please compare the dimensions to confirm. I am afraid we do not carry that bracket on top; you will have to reuse your old one. 

81-182 : SS Patio Door Tandem Roller, 1-1/2
SS Patio Door Tandem Roller, 1-1/2" Concave
81-182
$43.02
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