Shopsmith Forums

The earliest version is not desirable IMO because you cannot replace the inner bearing. The difference is on one the two-piece spindle is held together with a roll (aka spring tension) pin and can be easily separated for bearing service. Its predecessor's two pieces are held together through some o...

I have a Model 500 that I am restoring and it has a single bearing quill shaft and a poly-V belt drive. Can I replace this shaft with a double bearing version from a 510 or 520 or are there some possible incompatibilities between the two shafts? The earliest version is not desirable IMO because you...

DLB/JPG Thanks for your informed replies. I do plan on purchasing the complete assembly and not just the shaft and I plan on replacing both bearings with new, regardless of the condition of the bearings in the replacement - that way I will know that I am starting with unused bearings. That said, I w...

I have a Model 500 that I am restoring and it has a single bearing quill shaft and a poly-V belt drive. Can I replace this shaft with a double bearing version from a 510 or 520 or are there some possible incompatibilities between the two shafts?

Thanks - Jim