Thumbler's Tumbler Model B Shaft Bearing
thingiverse
This is a replacement shaft bearing for a Thumbler's Tumbler Model B. I don't believe it will fit other models. I included the MODO8 file in case anyone wanted to tinker. My drive shaft bearing wore away on a Model B that I have had for only 2 years yet the bearings on one that I have owned and used since the 1970's are still perfectly healthy. Guess they are now making them out of cheaper materials. I printed mine in ABS due to its hardness. If I had nylon, I quite likely would go for that as a print material. After printing, I lubed the shaft with a dab of Frog LUbe to reduce friction.
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