Bottom track for concave rollers

A quick learner from USA says:
September 8, 2017
The bottom Track is 3.25 inches wide overall and the distance between the spines that the concave wheels roll on is 1.75 inches. The track is 47 inches wide. Can you help me replace this track?
rollers
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Tom from SWISCO responded:
September 13, 2017
You will need our 23-270, I think. Does that look right, based on the dimensions of our track?
47" Bottom Concave Roller Track
47" Bottom Concave Roller Track
23-270
$18.24
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