{"product_id":"r1810-deep-groove-ball-bearings-zz-2rs-rz-7938x127x3967mm","title":"R1810 Deep Groove Ball Bearings ZZ 2RS 7.938x12.7x3.967mm","description":"\n\u003ch2\u003eJARBLUE R1810 Deep Groove Ball Bearings – Precision Engineered for Smooth, Quiet Operation\u003c\/h2\u003e\n\u003cp\u003eUpgrade your machines and projects with the \u003cstrong\u003eJARBLUE R1810 Deep Groove Ball Bearings\u003c\/strong\u003e. Available in multiple seal and shield configurations — \u003cstrong\u003eZZ, 2Z, RS, 2RS, RZ, and 2RZ\u003c\/strong\u003e — these compact, high-performance bearings measure \u003cstrong\u003e7.938 × 12.7 × 3.967 mm (5\/16\" × 1\/2\" × 5\/32\")\u003c\/strong\u003e, making them a perfect fit for a wide range of precision applications.\u003c\/p\u003e\n\u003cp\u003eCE certified and manufactured to tight tolerances with a surface roughness of \u003cstrong\u003eRa 0.05\u003c\/strong\u003e, these bearings deliver low noise, minimal friction, and outstanding durability across demanding environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Numbers:\u003c\/strong\u003e R1810, R1810ZZ, R1810-2Z, R1810Z, R1810-2RS, ZZ, RS, RZ, 2RZ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 7.938 mm (5\/16\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 12.7 mm (1\/2\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 3.967 mm (5\/32\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Roughness:\u003c\/strong\u003e Ra 0.05\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e JARBLUE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose JARBLUE R1810 Bearings?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUltra-Smooth Operation\u003c\/strong\u003e – Engineered for low friction and whisper-quiet performance\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eLong Service Life\u003c\/strong\u003e – Robust construction for extended durability in continuous-use applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMultiple Seal Options\u003c\/strong\u003e – Choose open, metal-shielded (ZZ\/2Z), or rubber-sealed (RS\/2RS\/RZ\/2RZ) variants to suit your environment\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact \u0026amp; Versatile\u003c\/strong\u003e – Ideal for tight-space applications across many industries\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCE Certified\u003c\/strong\u003e – Meets European conformity standards for quality and safety\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWholesale Ready\u003c\/strong\u003e – Available in bulk quantities; contact us for enterprise and custom orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThese deep groove ball bearings are well-suited for a broad range of uses, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectric motors and power tools\u003c\/li\u003e\n  \u003cli\u003eToys, hobby models, and RC vehicles\u003c\/li\u003e\n  \u003cli\u003ePrecision instruments and meters\u003c\/li\u003e\n  \u003cli\u003eCommunication and electronic equipment\u003c\/li\u003e\n  \u003cli\u003eFitness and body-building equipment\u003c\/li\u003e\n  \u003cli\u003eHome appliances and small machinery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more workshop essentials? Check out these popular items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-20mm-diamond-flat-grinding-wheel-dry-and-wet-use-heavy-duty-concrete-grinder-wheel-blue-vacuum-brazed\"\u003e10\/20mm Diamond Flat Grinding Wheel – Dry \u0026amp; Wet Use Heavy Duty Concrete Grinder\u003c\/a\u003e\u003c\/li\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\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between R1810ZZ and R1810-2RS deep groove ball bearings?\u003c\/h4\u003e\n\u003cp\u003eA: The R1810ZZ (also written R1810-2Z) features metal shields on both sides, which protect against dust and debris while allowing some lubrication retention — ideal for higher-speed, lower-contamination environments. The R1810-2RS uses rubber contact seals on both sides, offering superior protection against moisture and contaminants, making it better suited for dusty or humid conditions. Both share the same 7.938 × 12.7 × 3.967 mm dimensions.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these bearings suitable for wholesale or bulk orders?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! JARBLUE R1810 deep groove ball bearings are available for wholesale and bulk purchase. If you have special quantity requirements, custom specifications, or need enterprise-level bearing support, please contact us directly to discuss pricing and availability.\u003c\/p\u003e\n\u003ch4\u003eQ: What applications are the R1810 bearings designed for?\u003c\/h4\u003e\n\u003cp\u003eA: These compact deep groove ball bearings are designed for a wide variety of applications including electric motors, power tools, hobby models, RC cars, precision instruments, communication equipment, fitness equipment, and small household appliances — anywhere a 5\/16\" × 1\/2\" × 5\/32\" bearing with smooth, low-noise operation is required.\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 is the difference between R1810ZZ and R1810-2RS deep groove ball bearings?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The R1810ZZ (also written R1810-2Z) features metal shields on both sides, which protect against dust and debris while allowing some lubrication retention — ideal for higher-speed, lower-contamination environments. The R1810-2RS uses rubber contact seals on both sides, offering superior protection against moisture and contaminants, making it better suited for dusty or humid conditions. 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