{"product_id":"premium-replacement-needle-bar-rock-frame-415344-415045-267673-for-singer-300u-model-nr-united-sewing-machine","title":"Needle Bar Rock Frame 415344= 415045= 267673 for Singer 300U Model NR United Sewing Machine","description":"\u003cp\u003eNeedle Bar Rock Frame (415344) for Singer 300U\u003cbr\u003e\nMaintain the high-speed stability of your machine with this Needle Bar Rock Frame (Part #415344). This heavy-duty component is designed to house and guide the needle bar, facilitating the precise \"rocking\" or walking motion required for the Singer 300U and United Sewing Machine NR models.\u003c\/p\u003e\n\n\u003cp\u003eThis part is a direct replacement for and is interchangeable with part numbers 415045 and 267673.\u003c\/p\u003e\n\n\u003cp\u003eKey Features \u0026amp; Benefits\u003cbr\u003e\nMulti-Part Compatibility: Engineered to consolidate and replace part numbers 415344, 415045, and 267673, ensuring compatibility across various production generations of the 300U series.\u003c\/p\u003e\n\n\u003cp\u003eStructural Rigidity: Cast from high-grade industrial alloy to prevent flexing, even when sewing through the densest materials like multi-layered mattress foam or heavy canvas.\u003c\/p\u003e\n\n\u003cp\u003ePrecision-Machined Channels: Features ultra-smooth internal tracks to ensure the needle bar travels vertically with zero lateral deviation, maintaining perfect needle-to-looper timing.\u003c\/p\u003e\n\n\u003cp\u003eVibration Absorption: The mass and density of this rock frame are designed to dampen the high-frequency vibrations of industrial production, contributing to a smoother-running machine.\u003c\/p\u003e","brand":"Universal","offers":[{"title":"Default Title","offer_id":48314030620921,"sku":"415344(C)","price":90.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Premium_Replacement_Parts.jpg?v=1776585850","url":"https:\/\/empenzoamericas.com\/products\/premium-replacement-needle-bar-rock-frame-415344-415045-267673-for-singer-300u-model-nr-united-sewing-machine","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}