{"product_id":"black-pulley-bore-5mm-width-9mm-by-runice","title":"Black 20T Pulley Bore 5mm Width 9mm by Runice","description":"\u003cp\u003e\u003cstrong\u003eRunice 20T 2GT timing pulley for 9mm belt builds.\u003c\/strong\u003e This black-finish Runice drive pulley gives you a 20-tooth 2GT\/GT2 tooth profile, a 5mm H7 bore for common NEMA 17 motor shafts, and a set-screw hub for printer motion systems that call for 9mm-class belts.\u003c\/p\u003e\n\n\u003ch3\u003eWhy use the 9mm pulley\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9mm belt class:\u003c\/strong\u003e the wider belt gives more stiffness than a 6mm motion belt when the build calls for it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2GT \/ GT2 profile:\u003c\/strong\u003e works with 2mm-pitch Gates-style GT2 belts and with GT3 belts that are run on 2GT pulleys.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRunice drawing-backed dimensions:\u003c\/strong\u003e the product drawing identifies DWG\/MPN \u003cstrong\u003eRLA20-2GT-9-P5-C-H20\u003c\/strong\u003e, 20 teeth, 5mm H7 bore, and 20.0mm overall length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotion-project fit:\u003c\/strong\u003e suitable for Monolith-style and other Voron\/DIY printer motion builds that specify a 20T, 5mm-bore pulley for 9mm belt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer: \u003cstrong\u003eRunice\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMPN \/ drawing number: \u003cstrong\u003eRLA20-2GT-9-P5-C-H20\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eTooth profile: \u003cstrong\u003e2GT \/ GT2, 2mm pitch\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eTooth count: \u003cstrong\u003e20T\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBore: \u003cstrong\u003e5.000mm H7\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBelt width class: \u003cstrong\u003e9mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eOuter diameter shown on drawing: \u003cstrong\u003e15.00mm flange OD\u003c\/strong\u003e; tooth OD shown as \u003cstrong\u003e12.22mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eOverall length shown on drawing: \u003cstrong\u003e20.0mm\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMounting: hub with \u003cstrong\u003e2 × M4×0.7\u003c\/strong\u003e set-screw holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePairs with\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/gates-2gt-rf-9mm\"\u003eGates LL-2GT 9mm RF timing belt\u003c\/a\u003e for standard 9mm GT2 motion runs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/gates-ll-2gt-9-high-temperature-epdm-timing-belt\"\u003eGates LL-2GT 9mm EPDM high-temp belt\u003c\/a\u003e for hotter enclosed builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/gates-ll-3gt-gt3-9mm-rf-belt\"\u003eGates LL-3GT 9mm RF belt\u003c\/a\u003e when your build wants the higher-performance GT3 belt on 2GT-compatible pulleys.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/dfh.fm\/products\/20t-idler-bore-5mm-width-9mm-by-runice\"\u003eRunice 20T 9mm idler\u003c\/a\u003e when the belt path needs a bearing idler instead of a driven pulley.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChoosing the right one\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse this pulley when your BOM calls for a \u003cstrong\u003e20T pulley, 5mm bore, 9mm belt width\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eIf your build uses 6mm belts instead, use the \u003ca href=\"https:\/\/dfh.fm\/products\/black-pulley-bore-5mm-width-6mm-by-runice\"\u003eblack Runice 20T 6mm pulley\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003eIf the part rides on a fixed shaft or bearing rather than driving from a motor shaft, you probably need an idler, not this pulley.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat it is not\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNot a bearing idler.\u003c\/li\u003e\n  \u003cli\u003eNot a 6mm belt-width pulley.\u003c\/li\u003e\n  \u003cli\u003eNot a complete motion kit; this is one pulley.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Runice","offers":[{"title":"Default Title","offer_id":43543280582878,"sku":"9336393402","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/Untitled32_24571074-ceaa-476f-9dc6-63f21ccff9bd.jpg?v=1666138399","url":"https:\/\/formosissima.myshopify.com\/products\/black-pulley-bore-5mm-width-9mm-by-runice","provider":"dfh.fm","version":"1.0","type":"link"}