{"product_id":"lm12uu-12-x-21-x-30-mm-linear-bearing","title":"LM12UU (12 x 21 x 30 mm) Linear Bearing","description":"\u003ch3\u003eWhat the LM12UU linear bearing is used for\u003c\/h3\u003e\u003cp\u003eThe LM12UU (12 x 21 x 30 mm) linear bearing is a linear ball bushing designed for smooth linear motion on 12 mm shafts. It provides a compact bearing option for machines, assemblies, and motion systems that use the standard LM12UU size.\u003c\/p\u003e\u003cp\u003eThe LM12UU bearing has a 12 mm inner diameter, 21 mm outer diameter, and 30 mm length. As a popular 12 mm linear motion ball bushing, the LM12UU can be used in many applications where guided linear travel is needed.\u003c\/p\u003e\u003ch3\u003eKey features of the LM12UU bearing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard LM12UU size:\u003c\/strong\u003e Built in the common 12 x 21 x 30 mm format for applications designed around LM12UU dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits 12 mm shafts:\u003c\/strong\u003e The 12 mm inner diameter matches 12 mm shaft systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear ball bushing design:\u003c\/strong\u003e Supports linear motion in assemblies that require a compact recirculating bearing format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber seals on both sides:\u003c\/strong\u003e Dual seals help protect the bearing from dust and possible contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricant retention:\u003c\/strong\u003e The side seals also help retain lubricant in the bearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended bearing life support:\u003c\/strong\u003e By helping block contamination and retain lubricant, the sealed design can help extend bearing life.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere an LM12UU linear ball bushing can be used\u003c\/h3\u003e\u003cp\u003eThis 12 mm linear bearing is suited to many linear motion applications that run on 12 mm shafts. Common uses include custom machine builds, motion assemblies, repair projects, and equipment that requires the LM12UU bearing format.\u003c\/p\u003e\u003cp\u003eFor makers, DIY users, and machine builders, the LM12UU linear bearing is a practical choice when a compact linear ball bushing with sealed sides is needed for cleaner operation and better lubricant retention.\u003c\/p\u003e","brand":"3D Printing Canada","offers":[{"title":"Default Title","offer_id":54648076304659,"sku":"88814","price":1.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0929\/9610\/8563\/files\/LM12UU-_12-x-21-x-30-mm_-Linear-Bearing-3D-Printing-Canada-38982870.jpg?v=1788373989","url":"https:\/\/filaments3dquebec.ca\/products\/lm12uu-12-x-21-x-30-mm-linear-bearing","provider":"Filaments 3D Quebec","version":"1.0","type":"link"}