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).
lm duty class series special features, 1.5000 inches nominal bore diameter, steel overall material, 0.0900 inches nominal cone corner radius, 0.7200 inches nominal cone width