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).
steel overall material, 0.1400 inches nominal cone corner radius, 1.3085 inches nominal cone width, modified rollers and retainer special features, 2.1250 inches nominal bore diameter