{"product_id":"west3d-cna-mgn9h-class-h-stainless-steel-linear-rails","title":"West3D x CNA MGN9H High-Precision Stainless Steel Linear Rails with Carriages (Class H)","description":"\u003cp\u003eEngineered specifically for high-speed, high-vibration 3D printing applications, the \u003cstrong\u003eWest3D x CNA MGN9H Linear Rails\u003c\/strong\u003e are the result of an exclusive engineering collaboration. Designed to outperform standard kit-grade hardware, these high-precision linear guides feature a custom heavier-than-standard preload for maximum rigidity and smooth motion during high-acceleration toolhead movement.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from premium stainless steel, these upgraded rails feature custom West3D branding, sleek black end caps, and built-in carriage grease ports for effortless long-term maintenance. Upgraded to \u003cstrong\u003eClass H High Precision\u003c\/strong\u003e standards, they offer tight straightness tolerances (0.1mm over 1 meter) and uniform ball-groove tolerances (0.002mm) across the entire length.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed 3D Printing Preload:\u003c\/strong\u003e Custom-specified tight preload reduces clearance between rail and carriage, eliminating play and vibration during high-speed printing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass H High Precision:\u003c\/strong\u003e Manufactured to stringent precision specs with tight straightness and groove tolerances for smooth, binding-free linear motion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStainless Steel Construction:\u003c\/strong\u003e High corrosion resistance and durability designed for enclosed, high-heat 3D printer environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient Maintenance:\u003c\/strong\u003e Carriages come equipped with accessible grease ports for easy lubrication without full disassembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Aesthetic:\u003c\/strong\u003e Features black carriage end caps and laser-etched West3D logo styling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications \u0026amp; Length Options\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRail Model:\u003c\/strong\u003e MGN9H Linear Guide Rail with MGN9H Carriage Block\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Rating:\u003c\/strong\u003e Class H (High Precision)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Lengths:\u003c\/strong\u003e 150mm, 300mm, 350mm, 400mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage \u0026amp; Maintenance Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Lubrication Notice:\u003c\/strong\u003e Stainless rails shipping with clear grease are pre-lubricated with \u003cstrong\u003eMobilux EP2\u003c\/strong\u003e (not temporary anti-rust shipping oil). Black rails ship coated in protective anti-oxidation oil and should be cleaned and properly lubricated prior to installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoron \u0026amp; DIY Printer Sizing:\u003c\/strong\u003e For Voron V2.4 and similar coreXY builds, rail length requirement is typically 50mm larger than your bed size (e.g., 300mm bed uses 350mm rails). Always verify your build's Bill of Materials (BOM) for exact length and quantity needs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"West3D 3D Printing Supplies","offers":[{"title":"150mm \/ S Class \/ Silver","offer_id":46274240544967,"sku":"CNA0559","price":15.99,"currency_code":"USD","in_stock":false},{"title":"150mm \/ H Class \/ Silver","offer_id":46274240577735,"sku":"CNA0560","price":18.99,"currency_code":"USD","in_stock":true},{"title":"300mm \/ S Class \/ Black","offer_id":46274240610503,"sku":"CNA0562","price":21.99,"currency_code":"USD","in_stock":false},{"title":"300mm \/ H Class \/ Silver","offer_id":46274240643271,"sku":"CNA0563","price":23.99,"currency_code":"USD","in_stock":false},{"title":"350mm \/ S Class \/ Silver","offer_id":46274240676039,"sku":"CNA0564","price":22.99,"currency_code":"USD","in_stock":false},{"title":"350mm \/ S Class \/ Black","offer_id":46274240708807,"sku":"CNA0565","price":23.99,"currency_code":"USD","in_stock":true},{"title":"350mm \/ H Class \/ Silver","offer_id":46274240741575,"sku":"CNA0566","price":26.99,"currency_code":"USD","in_stock":false},{"title":"400mm \/ S Class \/ Silver","offer_id":46274240774343,"sku":"CNA0567","price":23.99,"currency_code":"USD","in_stock":true},{"title":"400mm \/ H Class \/ Silver","offer_id":46274240807111,"sku":"CNA0569","price":30.99,"currency_code":"USD","in_stock":false},{"title":"400mm \/ S Class \/ Black","offer_id":46274240839879,"sku":"CNA05691","price":25.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/5320\/0583\/files\/west3d-printing-mgn9h-1r-150300350400-linear-rails-with-carriages-cna-west3d-printing-cna-west3d-624630.jpg?v=1773156003","url":"https:\/\/copier2go.com\/products\/west3d-cna-mgn9h-class-h-stainless-steel-linear-rails","provider":"Copier2Go","version":"1.0","type":"link"}