This is a 100% small business set-aside solicitation for a firm-fixed-price purchase order to supply a brand-name bearing (NSN 3110-01-329-8573) in a quantity of 40 each, with an optional quantity of up to 70 additional items. Offerors must be certified small business under NAICS 336413 (1,250-employee size standard) and must offer only the specified brand-name items with clear traceability to the OEM: Sikorsky Aircraft, SKF USA, or Timken. Newly manufactured parts must be approved under FAA guidelines, with an FAA 8130 or equivalent EASA certificate preferred, or a certificate of conformance with traceability to the manufacturer. No drawings, specifications, or schematics are available from the agency. If exercised, the optional quantity must be ordered within 365 days after the initial award at the same price and lead time, with a maximum total quantity of 110 items.