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 6145-01-393-5387
NSN 6645-01-260-6244
NSN 6105-01-634-0322
NSN 5945-00-606-8874
NSN 5910-00-567-4816
NSN 6685-01-059-7893
NSN 6320-00-504-1214
NSN 5975-00-528-9774
NSN 5945-01-349-1551
NSN 4140-01-076-3720
NSN 5915-00-304-8195
NSN 5998-01-239-1051