Bottom rollers needed for a MasterView sliding window

A home owner from phoenix says:

October 31, 2016

brass roller (7/16" dia, sits in 1/2" opening) suspended in a white nylon or teflon matrix (L=1 3/16", W of narrow part 9/32" W of wide part 1/2"), 4 on the bottom with 2 near the leading edge and 2 near the aft edge. Looks similar to part# 87-147 but has brass wheel and is longer.
MasterView Sliding Window, , about 4'-10" tall x 3' wide, dual pained.
Can u find the correct part # for me. I need at least 10

Tom from SWISCO responded:

November 2, 2016

Thank you for your submission. Please take a look at product 87-161. We believe this may be what you are looking for. Get back to us with your thoughts.

Superlite Sliding Window Roller, 1/2" Flat Wheel

87-147

$2.97

Atrium Sliding Window Roller, 1/2" Flat Wheel

87-161

$3.94

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