Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 278-103-221 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 278-103-221 It is listed as Housing Bearing Unit. component manufactured by Ridge Tool Company, specifically under CAGE Code 50893. It is also accompanied by the NSN 3130015014290 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 3130 Bearings Mounted.