>> Search results for: 2B21403 NSN Search Results National Stock Number (NSN) Description 3130-01-221-4147, 3130012214147 HOUSING,BEARING UNIT 3130-01-221-4148 , 3130012214148 HOUSING,BEARING UNIT 3130-01-181-1504, 3130011811504 CAP,PILLOW BLOCK 3130-01-182-1579 , 3130011821579 CAP,PILLOW BLOCK 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information