This is the cone only
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).
Classification: Other ball or roller bearings, including combined ball/roller bearings, nesoi
NSN 6145-01-330-4550
NSN 6135-00-840-6451
NSN 6130-01-470-7629
NSN 5960-01-299-9182
NSN 4140-01-440-2353
NSN 5990-01-400-3299
NSN 5999-00-328-5493
NSN 6610-01-611-5323
NSN 6685-01-259-7309
NSN 6145-00-468-8534
NSN 6320-01-006-6138
NSN 5915-00-283-1664