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).
duty class hm series special features, 1.7500 inches nominal bore diameter, steel overall material, 1.4375 inches nominal cone width, 0.1400 inches nominal cone corner radius