{"product_id":"19mm-outer-diameter-x-25mm-length-4mm-x-7mm-inner-diameter-rb-aluminium-flexible-shaft-coupling","title":"19mm Outer Diameter x 25mm Length, 4mm x 7mm Inner Diameter RB Aluminium Flexible Shaft Coupling","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e19mm Outer Diameter x 25mm Length, 4mm x 7mm Inner Diameter RB Aluminium Flexible Shaft Coupling\u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003eRB Aluminium Flexible Shaft Coupling\u003c\/strong\u003e is a compact mechanical connector designed to join \u003cstrong\u003e4mm and 7mm shafts\u003c\/strong\u003e for smooth motion transfer in precision assemblies. With a \u003cstrong\u003e19mm outer diameter\u003c\/strong\u003e and \u003cstrong\u003e25mm overall length\u003c\/strong\u003e, it fits well in compact systems where reliable shaft connection and stable performance are essential. Its \u003cstrong\u003ehelical cut body\u003c\/strong\u003e helps manage minor shaft misalignment and reduces stress during operation.\u003cbr\u003e\u003cbr\u003eMade from high-quality \u003cstrong\u003ealuminium\u003c\/strong\u003e, this \u003cstrong\u003eflexible one-piece coupling\u003c\/strong\u003e supports \u003cstrong\u003ezero backlash transmission\u003c\/strong\u003e, \u003cstrong\u003elow rotational inertia\u003c\/strong\u003e, and dependable mechanical performance. It is suitable for \u003cstrong\u003eautomation systems\u003c\/strong\u003e, \u003cstrong\u003e3D printers\u003c\/strong\u003e, \u003cstrong\u003erobotic mechanisms\u003c\/strong\u003e, and \u003cstrong\u003elight-duty drive applications\u003c\/strong\u003e where smooth torque transfer and reduced vibration are required.\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv style=\"text-align: center;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDrawing\u003c\/h3\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" alt=\"Drawing\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/drawing_f4ac5215-9b1b-4de9-964e-f5f35ad0b180.webp?v=1775035345\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eMotor and encoder shaft coupling\u003c\/li\u003e\n\u003cli\u003e3D printer drive assemblies\u003c\/li\u003e\n\u003cli\u003eCNC and engraving machines\u003c\/li\u003e\n\u003cli\u003eRobotics and automation devices\u003c\/li\u003e\n\u003cli\u003ePrecision transmission systems\u003c\/li\u003e\n\u003cli\u003eDIY motion control projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eProduct Category: Flexible Shaft Coupling\u003c\/li\u003e\n\u003cli\u003eSeries Name: RB\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminium\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 19mm\u003c\/li\u003e\n\u003cli\u003eTotal Length: 25mm\u003c\/li\u003e\n\u003cli\u003eBore Diameter Side 1: 4mm\u003c\/li\u003e\n\u003cli\u003eBore Diameter Side 2: 7mm\u003c\/li\u003e\n\u003cli\u003eBore Combination: 4mm x 7mm\u003c\/li\u003e\n\u003cli\u003eSet Screws: 2 x M3\u003c\/li\u003e\n\u003cli\u003eConstruction: One Piece\u003c\/li\u003e\n\u003cli\u003eTorsional Characteristic: Zero Backlash\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eWeight: 16g\u003c\/li\u003e\n\u003cli\u003eDimensions: 19mm x 25mm\u003c\/li\u003e\n\u003cli\u003eBore Diameter (Both Sides): 4mm x 7mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003e1 × RB Aluminium Flexible Shaft Coupling 4mm x 7mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":48908125372668,"sku":"LGSTM088","price":149.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/4mmx7mmshaftcoupling.jpg?v=1775112419","url":"https:\/\/kitsguru.com\/products\/19mm-outer-diameter-x-25mm-length-4mm-x-7mm-inner-diameter-rb-aluminium-flexible-shaft-coupling","provider":"KitsGuru","version":"1.0","type":"link"}