Would you have a smaller version of your product code 87-143. All the dimensions are same except the 1 3/4". The one I have is 1 3/8". Attached is the picture of a Traco sliding window roller.
Greg
Paul from SWISCO responded:
December 26, 2018
Take a look at our 87-190 as a possible replacement. I think this might be a little closer to yours than our 87-143.