2 ms·

Is the issue with manufacturing bearings in a vacuum or operating them in a vacuum? If it is the former it seems like the solution is as simple as building a p

• gene-h 4y ago
  Both. And again, the issue with a pressurized manufacturing facility is making seals.
  • Teever 4y ago
    Why not make a solid enclosure out of metal and melt a hole in it when you need to move material in and out?