(under subclass 7) Subject matter wherein both ball and roller bearings are used separately but in the same bearing assembly.
(1) Note. This subclass does not include bearings where one type of bearing facilitates movement of another type of bearing of which it is a part, as for example, when a roller bearing is journaled on a shaft via ball bearings. Such bearings would classified as roller bearings.
SEE OR SEARCH THIS CLASS, SUBCLASS:
50, for a roller bearing journaled on a shaft via ball bearings.
