hobby engine crane roller

this is a drop in roller for the hobby engine crane,part of the conversion to use bruder excavator tracks.
ill be uploading a front idler aswell.
it takes 1 1/2 bruder excavator tracks sets (3 tracks) for this crane
i printed in petg with support.

the crane,i got mine through amazon for $130 shipped.
https://www.sharperimage.com/si/view/product/RC+Professional+Replica+Crawler+Crane/206217?p=plist2470005&utm_source=Google&utm_medium=CPC&utm_campaign=Shopping+PLAs+-+Medium&Keyword=&device=c&creative=71897578703&cm_mmc=CPC-_-Google-_-Shopping+PLAs+-+Medium-_-71897578703&network=g&matchtype=&adpos=1o9&creative=71897578703&mkwid=BqIaYHoF|pkw||pcrid|71897578703|pmt||pdv|c|slid|||productid|206217-01|&gclid=EAIaIQobChMI6KCX_Mr32QIVWFmGCh0V5wenEAkYCSABEgJDifD_BwE

here is the track pad file to suit this roller.
https://www.thingiverse.com/thing:2831219

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/jgGWCIqWFC3

This thing was made with Tinkerc