bearing vs rotating mechanism

bearing and rotating mechanism both are nouns.

Word	Noun	Adjective	Verb	Adverb
bearing	Yes	Yes	No	No
rotating mechanism	Yes	No	No	No

bearing (noun)	rotating mechanism (noun)
a rotating support placed between moving parts to allow them to move easily	a mechanism that rotates
heraldry consisting of a design or image depicted on a shield
dignified manner or conduct
characteristic way of bearing one's body
the direction or path along which something moves or along which it lies
relevant relation or interconnection

bearing (adjective)	rotating mechanism (adjective)
(of a structural member) withstanding a weight or strain