A cylindrical metallic body of either solid or hollow construction, containing bearings and/or shafts and the like which provides the rolling elements to guide and support a track-type vehicle along its track.
Classification: Parts, nesoi, of machinery of heading 8429 or 8430
NSN 6135-01-462-6040
NSN 5960-01-484-2042
NSN 5945-01-099-7997
NSN 5965-01-503-3960
NSN 4140-00-495-8704
NSN 6220-00-865-8069
NSN 6620-01-116-3983
NSN 6110-01-035-5735
NSN 6105-00-527-8571
NSN 6320-01-378-6191
NSN 5985-01-252-8822
NSN 6105-00-214-6337