Here's Webster's Second Edition New World Dictionary definition:
 
ball bearing  1. a bearing in which the moving parts revolve or slide on
freely rolling metal balls so that friction is reduced  2. any of such metal
balls 

I think, however, that it would be more appropriate and descriptive to
identify these objects by any of the following:

 BALL, BEARING (military form) 
 BEARING BALL
 BALL BEARING BALL

Ross  ;)

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Wednesday, November 29, 2000 5:03 AM
To: Cortland Richmond
Cc: [email protected]; ieee pstc list
Subject: Re: we need some information



Just a litle pet hate of mine, but ball BEARINGS consist of both the
races AND the STEEL BALL  (or plastic sometimes) but that little round
bit we all like to use as missiles or for the game of marbles is a BALL
not a ball BEARING.



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