Toy Truck with ball bearing wheels
thingiverse
My son loves toy trucks and cars, but he is kinda reckless with his toys and they breaks a lot. So I designed a truck that got ball bearing wheels, so they will hold up for his "playing". The cab is inspired by https://www.thingiverse.com/thing:537153 I printed new wheels with TPU for better friction. What you need: 4x M2.5x10mm screws (it's possible with M3 screws also. Download the right one, I changed the center hole in the hub) 4x 608 Ball bearings 8x22x7mm (Center hole, OT diameter, thickness) Print time was around 12 hrs with everything. You may need supports for the fenders, it depends on how good your overhangs are. Assemble Don't screw the wheel screws to hard, then the wheels will not spin freely. The ball bearings should have press fitting. The wheel screws are "self tapping" in to the plastic, no further assemble needed. You may want to add a bit of glue/loctite.
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