Re: Concord Naval Depot Boxcars Heading to Scrap
Author: Tony J.
Date: 04-10-2011 - 07:27
Sever Duty Wrote:
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> Friction or plain? I've seen both references, but
> I think the clinical name is Plain Bearing. I
> always called them friction bearings, but hey, it
> won't matter soon anyway.
Actually, they are called "solid bearings". Old advertisements called them that. Most people (including myself) have called them friction bearings, but even roller bearings create a small bit of friction.