For use with 1/2″ precision linear shaft in the Power Transmission 2 style drive system. These double-length 1/2″ ID ball or Frelon-lined bearings in machined aluminum pillow block(s) are simple to install and ideal for sex machine use. They should last forever when properly installed and used with linear shaft above. I don’t recommend using one single length bearing in this application, although two singles spaced out provide the best possible strength. Mounts with four screws or bolts. When available, I offer refurbished surplus units with new bearing cartridges at $80… these may have some scratches or (frequently) an inventory number, either of which can be milled, filed, or sanded off it they disagree with you. When the refurbs run out, new units are $30 more expensive.
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