Kearney and Trecker motor bushing

From a channel Lumen includes in full: Tom Lipton, a career toolmaker and author of Metalworking Sink or Swim, documents toolroom projects, machine rebuilds and fabrication in long, explained sessions drawn from decades of practice.

A 35-minute video from oxtoolco's catalogue; the title names its topic.

Video by oxtoolco, played through YouTube's embedded player.