{"product_id":"626-bearing-nylon-roller-pulley-6x41x7mm-buna-n-rubber-ring","title":"626 Bearing Nylon Roller Pulley 6×41×7mm | Quiet Rubber Ring","description":"\u003ch2\u003e626 Bearing Nylon Roller Pulley – 6×41×7mm\u003c\/h2\u003e\n\u003cp\u003eThis precision-built roller pulley combines a high-quality 626 bearing core with a durable PA66 nylon outer wheel, delivering smooth, quiet operation in a wide range of DIY, mechanical, and industrial applications. The Buna-N rubber O-ring design adds elasticity and grip, reducing vibration and noise during use — making it an ideal upgrade for sliding door tracks, 3D printers, CNC machines, and custom build projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBearing Type:\u003c\/strong\u003e 626 — high-quality carbon steel bearing for smooth, consistent rotation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Wheel Material:\u003c\/strong\u003e PA66 nylon — hard-wearing, lightweight, and corrosion-resistant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Inner diameter 6mm | Outer diameter 41mm | Thickness 7mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRubber O-Ring:\u003c\/strong\u003e Buna-N (NBR) rubber for added elasticity, grip, and quieter rolling performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet Operation:\u003c\/strong\u003e Engineered to minimise rolling noise — ideal for sliding mechanisms and precision equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New:\u003c\/strong\u003e 100% new and quality-checked before dispatch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Roller Pulley\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e626\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWheel Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePA66 Nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Quality Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eO-Ring Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuna-N (NBR) Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3D printers and CNC router builds\u003c\/li\u003e\n  \u003cli\u003eSliding door and window track systems\u003c\/li\u003e\n  \u003cli\u003eConveyor and pulley mechanisms\u003c\/li\u003e\n  \u003cli\u003eDIY robotics and automation projects\u003c\/li\u003e\n  \u003cli\u003eCustom workshop and fabrication rigs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the bearing type and size of this roller pulley?\u003c\/h4\u003e\n\u003cp\u003eA: This roller pulley uses a 626 bearing with an inner diameter of 6mm, an outer diameter of 41mm, and a thickness of 7mm — making it compatible with standard 6mm shafts and axles used in DIY and mechanical builds.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the outer wheel made from?\u003c\/h4\u003e\n\u003cp\u003eA: The outer wheel is made from PA66 nylon, a hard-wearing engineering plastic known for its strength, low friction, and resistance to wear. The Buna-N rubber O-ring wraps the wheel to provide additional grip and reduce operating noise.\u003c\/p\u003e\n\u003ch4\u003eQ: What applications is this roller pulley suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This 626 bearing nylon roller pulley is suitable for 3D printers, CNC machines, sliding door tracks, conveyor systems, robotics projects, and a wide variety of DIY and workshop builds requiring smooth, quiet wheel movement.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the bearing type and size of this roller pulley?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This roller pulley uses a 626 bearing with an inner diameter of 6mm, an outer diameter of 41mm, and a thickness of 7mm — making it compatible with standard 6mm shafts and axles used in DIY and mechanical builds.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the outer wheel made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The outer wheel is made from PA66 nylon, a hard-wearing engineering plastic known for its strength, low friction, and resistance to wear. 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