The plastic mounting bracket has a center height adjuster hole that measures 11/64" ID. It may be possible to drill it out to 21/64". The question is what is the OD and height of the adjuster on the 84-74B stainless steel roller?
Tom from SWISCO responded:
February 14, 2019
The screw collar on the 84-074B is approximately 3/16" in diameter and 1/2" tall. Let me knwo if you have any other questions!