The bushings of a rolling element bearing which contacts the rolling elements.
Verb
(intransitive) To take part in a race (in the sense of a contest).
(transitive) To compete against in such a race.
(intransitive) To move or drive at high speed.
(intransitive) Of a motor, to run rapidly when not engaged to a transmission.
Noun
A group of sentient beings, particularly people, distinguished by common ancestry, heritage or characteristics:
A large group of people distinguished from others on the basis of a common heritage (compare ethnic group). See Wikipedia's article on historical definitions of race.
A large group of people distinguished from others on the basis of common physicalcharacteristics, such as skin color or hair type.
(taxonomy) A population geographically separated from others of its species that develops significantly different characteristics; an informal term for a subspecies.
(figuratively) A category or species of something that has emerged or evolved from an older one (with an implied parallel to animal breeding or evolutionary science).
(obsolete) Peculiar flavour, taste, or strength, as of wine; that quality, or assemblage of qualities, which indicates origin or kind, as in wine; hence, characteristic flavour.