{"product_id":"ket-693-693zz-metric-miniature-ball-bearing-3x8x3mm-high-speed-precision-micro-bearing","title":"KET 693 \/ 693ZZ Metric Miniature Ball Bearing (3x8x3mm) - High-Speed Precision Micro Bearing","description":"\u003cp\u003e\u003cb\u003eProduct Description:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCore Selling Points\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExact Metric Specifications:\u003c\/b\u003e Precision engineered with a 3 mm inner diameter and an 8 mm outer diameter for seamless integration into global metric-based mechanical assemblies \u003ccode\u003e[cite: 1]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExtreme High-Speed Stability:\u003c\/b\u003e Capable of reaching an extraordinary 67,000 RPM with oil lubrication and 60,000 RPM with grease, ensuring flawless operational stability under rapid rotational stress \u003ccode\u003e[cite: 1]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eReliable Load Capacity:\u003c\/b\u003e Delivers a 560 N basic dynamic load rating and 179 N static load rating, providing excellent durability for delicate micro-applications \u003ccode\u003e[cite: 1]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFactory-Direct Supply:\u003c\/b\u003e Manufactured by Ningbo Kexiang Bearing Technology Co., Ltd. with a robust annual capacity of 100 million sets, securing highly competitive B2B wholesale pricing \u003ccode\u003e[cite: 1]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBrand \u0026amp; Model Variants\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKET 693 (Open Type) \/ 693ZZ (Shielded Type) \u003ccode\u003e[cite: 1]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eInner x Outer Diameter (d x D)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 mm x 8 mm \u003ccode\u003e[cite: 1]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWidth \/ Thickness (B\/B1)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 mm (Open) \/ 4 mm (Shielded) \u003ccode\u003e[cite: 1]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eChamfer (r)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.15 mm \u003ccode\u003e[cite: 1]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDynamic \/ Static Load Rating (Cr \/ Cor)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e560 N \/ 179 N \u003ccode\u003e[cite: 1]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eLimiting Speed (Grease \/ Oil)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 60,000 RPM \/ Up to 67,000 RPM \u003ccode\u003e[cite: 1]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cb\u003eStrategic Manufacturing Partner Qualifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInternationally Certified Quality Systems:\u003c\/b\u003e We proudly hold dual ISO9001 certifications \u003ccode\u003e[cite: 4, 9]\u003c\/code\u003e and the stringent automotive industry standard IATF16949 \u003ccode\u003e[cite: 8]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRecognized Engineering Innovation:\u003c\/b\u003e Our continuous R\u0026amp;D is validated by our recognition as a High-Tech Enterprise \u003ccode\u003e[cite: 5]\u003c\/code\u003e and a Technology-Based SME in Zhejiang Province \u003ccode\u003e[cite: 10]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eGlobal Material Safety Compliance:\u003c\/b\u003e Our products pass comprehensive third-party SGS laboratory testing for SVHC \u003ccode\u003e[cite: 6]\u003c\/code\u003e and RoHS compliance \u003ccode\u003e[cite: 7]\u003c\/code\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOptimize your supply chain costs without compromising on extreme speed performance. Contact Ryan Fan at ryan.fan@ketprecisionbearings.com or via WhatsApp at +86-18067291918 to request free evaluation samples.\u003c\/p\u003e","brand":"KET Precision Bearings","offers":[{"title":"3mm \/ 8mm \/ 2.5 mm (Open) \/ 3 mm (Shielded)","offer_id":49409753841920,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/6890\/3936\/files\/Ultra-microprecisiondeepgrooveballbearing.webp?v=1787508371","url":"https:\/\/ketprecisionbearings.com\/products\/ket-693-693zz-metric-miniature-ball-bearing-3x8x3mm-high-speed-precision-micro-bearing","provider":"KET Precision Bearings","version":"1.0","type":"link"}