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 5975-01-512-8525
NSN 5920-01-265-0820
NSN 5945-01-290-2437
NSN 5999-01-423-9863
NSN 6135-01-576-9616
NSN 5920-00-382-8849
NSN 6240-01-588-0971
NSN 6135-01-086-8167
NSN 6150-01-366-1978
NSN 6685-01-100-2653
NSN 6105-00-444-4418
NSN 4140-01-172-9114