the roller on bottom door

A quick learner from Pennsylvania says:
June 21, 2021
M-1100/1125

SGD-R20. 180x83

SGD-C30. 80x83
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Bob from SWISCO responded:
June 24, 2021

Thanks for posting. Compare your roller's dimensions to our 81-154. Let us know if they differ, and if so, how. 
Tandem Roller Assembly, 1-1/4" Steel BB Concave
Tandem Roller Assembly, 1-1/4" Steel BB Concave
81-154
$17.70
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