{"product_id":"bridgeport-12060099-square-key-milling-machine","title":"Bridgeport 12060099 Square Key Milling Machine","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BRIDGEPORT 12060099 is a square key designed as a precision drive component for milling machine assemblies. Square keys transmit torque between a shaft and a mating hub or gear, preventing rotational slippage under load. This key measures 0.188 inches wide by 2.50 inches in length and fits within the 2J-Head Top Housing assembly. It is a direct OEM-style replacement part intended for installation by qualified machine tool technicians or millwrights performing scheduled maintenance or component rebuilds on Bridgeport-style vertical milling machines.\u003c\/p\u003e\n\u003cp\u003eThis square key is specified for use with I Series Milling Machines and fits the 2J-Head Top Housing. It is a single-piece replacement hardware item commonly replaced during spindle drive service, head disassembly, or when keyway wear is found during preventive maintenance. The part ships as a quantity of one and is appropriate for both shop maintenance programs and field service repairs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSquare key profile ensures positive torque transmission between shaft and hub\u003c\/li\u003e\n  \u003cli\u003eDimensions of 0.188 x 2.50 inches matched to OEM 2J-Head Top Housing keyway specifications\u003c\/li\u003e\n  \u003cli\u003eSingle-piece unit sold individually, no trimming or modification required for listed application\u003c\/li\u003e\n  \u003cli\u003eDirect OEM replacement part number for I Series Milling Machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eSpecified for use with BRIDGEPORT I Series Milling Machines, specifically the 2J-Head Top Housing assembly.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or millwright with the machine fully powered down, locked out, and tagged out per OSHA lockout\/tagout procedures. Inspect the keyway in both the shaft and hub for wear or damage before installing the replacement key. Use a soft-faced mallet or press to seat the key without deforming it, and verify proper fit and clearance before reassembling the head assembly.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccessory Type\u003c\/strong\u003e: Square Key\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey Width\u003c\/strong\u003e: 0.188 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey Length\u003c\/strong\u003e: 2.50 inches\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: 12060099\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BRIDGEPORT","offers":[{"title":"Default Title","offer_id":51542340763954,"sku":"12060099","price":67.02,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1387a1cbc85e69f037e155e448d18e22_36ed506d-0268-4e57-a081-177450a996d8.jpg?v=1785898586","url":"https:\/\/voomisupply.com\/products\/bridgeport-12060099-square-key-milling-machine","provider":"Voomi Supply","version":"1.0","type":"link"}