{"product_id":"10pcs-mini-metal-sealed-ball-bearings-682zz-689zz-miniature","title":"10pcs Mini Sealed Ball Bearings 682ZZ–689ZZ Steel | JARBLUE","description":"\n\u003ch2\u003eJARBLUE 10-Pack Miniature Metal Sealed Ball Bearings (682ZZ–689ZZ)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your builds with precision-engineered miniature ball bearings from JARBLUE. This 10-piece set covers the full 682ZZ through 689ZZ size range, giving you a versatile supply of CE-certified, steel-constructed bearings ready for RC vehicles, 3D printers, electric motors, skateboards, power tools, and countless other mechanical applications. Each bearing features double metal shields (ZZ) to keep contaminants out and lubricant in, ensuring smooth, consistent rotation and long service life.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Size Range:\u003c\/strong\u003e Includes 682ZZ, 683ZZ, 684ZZ, 685ZZ, 686ZZ, 687ZZ, 688ZZ, and 689ZZ — one set covers multiple projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Metal Shield (ZZ):\u003c\/strong\u003e Protects internal components from dust, debris, and moisture for reliable, long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Steel Construction:\u003c\/strong\u003e Manufactured from steel with a surface roughness of Ra 0.8 for smooth, low-friction operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE safety and quality standards, giving you confidence in every bearing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Harmful Chemicals:\u003c\/strong\u003e Free from high-concern substances, making them safe to handle and use across a wide range of environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Lubricated:\u003c\/strong\u003e Each bearing comes pre-greased and ready to install straight out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for RC cars, drones, 3D printers, fidget spinners, inline skates, fans, motors, and DIY mechanical projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eJARBLUE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel Numbers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e682ZZ \/ 683ZZ \/ 684ZZ \/ 685ZZ \/ 686ZZ \/ 687ZZ \/ 688ZZ \/ 689ZZ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eShield Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eDouble Metal (ZZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSurface Roughness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eRa 0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e10 Pieces per Set\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eWhether you're a hobbyist repairing an RC vehicle, an engineer prototyping a new device, or a DIY enthusiast working on a 3D printer or drone build, these miniature bearings deliver the precision and durability you need. Their compact size and sealed design make them a go-to component for tight spaces where reliability matters most.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes are included in this 10-piece miniature ball bearing set?\u003c\/h4\u003e\n\u003cp\u003eA: This set covers the full range from 682ZZ to 689ZZ. The pack contains 10 bearings spanning eight standard miniature sizes — 682ZZ, 683ZZ, 684ZZ, 685ZZ, 686ZZ, 687ZZ, 688ZZ, and 689ZZ — making it a versatile solution for a wide variety of mechanical projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does \"ZZ\" mean on a miniature bearing?\u003c\/h4\u003e\n\u003cp\u003eA: The \"ZZ\" designation indicates that the bearing has double metal shields on both sides. These shields protect the internal ball bearings and grease from dust, dirt, and moisture, helping to extend the bearing's service life and maintain smooth, consistent rotation over time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications are these miniature ball bearings suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: These miniature ZZ-series ball bearings are well-suited for RC cars and trucks, drones, 3D printers, fidget spinners, inline skates, electric motors, small fans, and a wide range of DIY mechanical and engineering projects where compact, precise rotation is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these bearings pre-lubricated and ready to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Each bearing comes pre-greased from the factory and is ready to install immediately upon receipt. No additional lubrication is required for standard applications, though you may add grease for extreme-duty use cases if desired.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes are included in this 10-piece miniature ball bearing set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This set covers the full range from 682ZZ to 689ZZ. 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