Originally posted by ddewhurst@Jan 4 2006, 04:30 PM
The key is the words MINIMAL FRICTION in the GCR glossary with the definition of bearing.
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David, you're absolutely corrrect if you are debating whether a spherical bearing is in fact a bearing. However, I think the debate here is whether a spherical bearing can be used as (or a component of) a bushing. The GCR definition of a bushing is "A sleeve or tubular insert, whose purpose is to reduce the dimension(s) of an existing hole" (didn't someone already post that... sorry). There is nothing in that definition that says a bushing cannot pivot freely. Looking at the pictures I posted above, doesn't the pic of the spherical bushing accomplish the task of reducing the dimension of an existing hole? Note that I used the word bushing, as the bearing is only one component of the bushing.

Wow, this thread has all the markings of a 5-pager