{"product_id":"premium-mr63t12zz-bearings","title":"Premium MR63T12ZZ Bearings","description":"\u003cdiv style=\"line-height: 1.6;\"\u003e\n\u003ch2 style=\"margin-bottom: 0.6em;\"\u003eNSK MR63T12ZZMC3 PS2S Precision Bearing\u003c\/h2\u003e\n\u003cp\u003eDesigned for high-performance DIY 3D printers, this genuine NSK miniature bearing features \u003cstrong\u003eZZ double metal shields\u003c\/strong\u003e that protect the bearing from dust and contamination while retaining the factory lubrication. Metal shields generate less drag than contact seals, making this bearing an excellent choice for high-speed idlers, belt tensioners, guide rollers and other precision motion components.\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 1.5em; margin-bottom: 0.6em;\"\u003eNSK MR63T12ZZMC3 PS2S\u003c\/h3\u003e\n\u003cp\u003eThis bearing is factory-filled with \u003cstrong\u003eMULTEMP PS No.2\u003c\/strong\u003e premium synthetic grease. Developed for precision bearings, it delivers very low running torque while maintaining excellent lubrication across a wide operating temperature range of \u003cstrong\u003e-50°C to +110°C\u003c\/strong\u003e. This makes it ideal for printers operating in cold workshops as well as enclosed machines where elevated temperatures are common.\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 1.8em; margin-bottom: 0.6em;\"\u003eDimensions\u003c\/h3\u003e\n\u003cdiv style=\"width: 100%; max-width: 520px;\"\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; gap: 20px; padding: 5px 0;\"\u003e\n\u003cstrong\u003eOuter diameter\u003c\/strong\u003e \u003cspan style=\"text-align: right;\"\u003e6 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; gap: 20px; padding: 5px 0;\"\u003e\n\u003cstrong\u003eInner diameter\u003c\/strong\u003e \u003cspan style=\"text-align: right;\"\u003e3 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; gap: 20px; padding: 5px 0;\"\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e \u003cspan style=\"text-align: right;\"\u003e2.5 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin-top: 1.8em; margin-bottom: 0.6em;\"\u003eAdditional Specifications\u003c\/h3\u003e\n\u003cdiv style=\"width: 100%; max-width: 720px;\"\u003e\n\u003cdiv style=\"display: flex; gap: 16px; padding: 5px 0;\"\u003e\n\u003cstrong style=\"min-width: 60px;\"\u003eMC3\u003c\/strong\u003e \u003cspan\u003eStandard NSK internal clearance for smooth running and reliable performance.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 16px; padding: 5px 0;\"\u003e\n\u003cstrong style=\"min-width: 60px;\"\u003ePS2\u003c\/strong\u003e \u003cspan\u003ePremium MULTEMP PS No.2 synthetic grease for low torque and excellent low-temperature performance.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; gap: 16px; padding: 5px 0;\"\u003e\n\u003cstrong style=\"min-width: 60px;\"\u003eS\u003c\/strong\u003e \u003cspan\u003eIncreased grease fill for extended lubrication life and reduced maintenance.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin-top: 1.8em; margin-bottom: 0.6em;\"\u003eWhy Choose NSK Bearings for Your 3D Printer?\u003c\/h3\u003e\n\u003cp\u003eThe quality of your bearings has a direct impact on print quality, noise levels and long-term reliability. Genuine NSK bearings are manufactured to tight tolerances using premium bearing steel and high-performance lubricants, delivering smooth motion, low friction and excellent service life.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a Voron, RatRig, CoreXY or another high-performance DIY printer, NSK bearings are an excellent choice anywhere precise and dependable rolling motion is required.\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 1.8em; margin-bottom: 0.6em;\"\u003eKey Features\u003c\/h3\u003e\n\u003cdiv style=\"width: 100%; max-width: 720px;\"\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• Genuine NSK miniature deep groove ball bearing\u003c\/div\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• Made in Japan\u003c\/div\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• Double metal shields (ZZ) for low friction and contamination protection\u003c\/div\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• Factory lubricated with premium synthetic grease\u003c\/div\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• MULTEMP PS No.2 grease rated from -50°C to +110°C\u003c\/div\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• Low torque, low noise and long service life\u003c\/div\u003e\n\u003cdiv style=\"padding: 4px 0;\"\u003e• Ideal for idlers, belt tensioners, guide rollers and other precision motion components in DIY 3D printers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"NSK","offers":[{"title":"1 pcs","offer_id":54881540374851,"sku":"3DK1436","price":29.0,"currency_code":"SEK","in_stock":true},{"title":"10-pack","offer_id":54881540407619,"sku":"3DK1437","price":249.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/1190\/8931\/files\/IMG_0168.jpg?v=1791275421","url":"https:\/\/3dkatten.se\/products\/premium-mr63t12zz-bearings","provider":"3DKATTEN","version":"1.0","type":"link"}