Roomba 700 series front wheel / castor
thingiverse
This is a printable front wheel for I-robot Roomba 700 series, it may fit others but I can't guarantee it. The wheel uses two 4mm x 13mm x 5mm bearings and re-uses the original axle. I printed mine in ABS using pillar supports for the bearing indent. It hasn't finished printing yet but I will probably have to heat the part and the bearing a bit then hammer them together as I am expecting a tight fit. I figured using bearings would help with the fact the part no longer has a soft tread and would roll better and last longer this way. As I have not tried it out yet I have no clue if it will work...I will update when it finishes printing.
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