An assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).
0.1400 inches nominal bore diameter, used on kc 135 main landing gear end item identification, agav criticality code justification, 1.4219 inches nominal cone width, 0.1400 inches nominal cone corner radius