Dual tonearm bearing (223 003) drop-in replacement
prusaprinters
The tonearm bearing on my beloved 1214 broke recently so I modeled this replacement.As this seems to be a common failure (whatever plastics were used there seem to degrade after a few decades, there are several videos about this on YouTube) I figured this may help somebody else.Shout-out to 12voltvids' backlog of Dual related videos (very helpful footage, as my original part was mostly dust in a few crucial areas): https://youtube.com/watch?v=ixLwG8VlzCINotes:Angular measurements (30°,..) were taken using gimp's protractor tool, so they may not be 100% accurate. The part printed using the recommended settings does not interfere with anti-skate or the stereo imaging though, so I'm fairly confident this is correct.
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