R6-2RS Bearings spool roller

my version of a spool roller, it needed to have some space so the spool did not rub against the lid of my drybox and would lower the standard spool height

this Bearing
https://www.amazon.com/gp/product/B01CUNOWWG/ref=od_aui_detailpages04?ie=UTF8&psc=1
in this box
https://www.amazon.com/gp/product/B007V4IWIU/ref=oh_aui_detailpage_o02_s01?ie=UTF8&psc=1
fed through the bottom of this box with this fitting(pc4-m10) and ~120mm of the tube
https://www.amazon.com/gp/product/B07DC594D6/ref=oh_a