Plain Bearings VS. Plane Bearings
There is some disagreement in the engineering community as to whether a plain bearing is the same as a plane bearing. Is a plane bearing a flat bearing, or can it refer to bearings with round surfaces, like journal bearings? This article may not establish a firm answer to this question, but it will give food for thought.
The controversy began from the first Bearing Basics post. Here are other articles on polymer bearings :