{"product_id":"bridgeport-11550003-adjustable-spring-collar-milling-machine","title":"Bridgeport 11550003 Adjustable Spring Collar Milling Machine","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BRIDGEPORT 11550003 is an adjustable spring collar designed as a direct replacement or service part for Bridgeport milling machines. This collar fits within the 2J-Head top housing assembly, where it provides the retention and preload function required to maintain proper spindle and quill operation. Installation is performed during head disassembly or rebuild service. The part ships as a single-piece unit and is sourced as a genuine Bridgeport component for accurate fit and function.\u003c\/p\u003e\n\u003cp\u003eThis adjustable spring collar is used in the top housing of the 2J-Head on I Series Bridgeport milling machines. It is a common service part encountered during spindle rebuilds, quill spring replacements, and top housing overhauls. Machine shops and industrial maintenance technicians performing scheduled maintenance or corrective repair on vertical knee mills will encounter this part during head disassembly.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable spring collar design for precise fitment within the 2J-Head top housing\u003c\/li\u003e\n  \u003cli\u003eDirectly compatible with I Series Bridgeport milling machine head assemblies\u003c\/li\u003e\n  \u003cli\u003eSingle-piece unit packaged individually for service and repair use\u003c\/li\u003e\n  \u003cli\u003eOEM Bridgeport part number ensures accurate replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with I Series Bridgeport milling machines equipped with the 2J-Head top housing assembly.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation of this spring collar is performed by qualified machine tool technicians or industrial maintenance personnel during head disassembly. Power down and lock out the machine at the main disconnect before beginning any head or spindle service. Standard machine tool hand tools are required for head removal and collar seating. Follow the applicable Bridgeport service documentation for correct assembly sequence and spring preload adjustment.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccessory Type\u003c\/strong\u003e: Adjustable Spring Collar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMachine Compatibility\u003c\/strong\u003e: 2J-Head Top Housing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor Use With\u003c\/strong\u003e: I Series Milling Machines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242100\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BRIDGEPORT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 11550003\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BRIDGEPORT","offers":[{"title":"Default Title","offer_id":51541581857074,"sku":"11550003","price":58.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1387a1cbc85e69f037e155e448d18e22_3d62c1c2-1ea4-4e1f-b34f-aad6050a0eaa.jpg?v=1785879830","url":"https:\/\/voomisupply.com\/products\/bridgeport-11550003-adjustable-spring-collar-milling-machine","provider":"Voomi Supply","version":"1.0","type":"link"}