{"product_id":"ket-fr4-fr4zz-miniature-flanged-ball-bearing-1-4-x-5-8-x-0-196-high-speed-precision","title":"KET FR4 \/ FR4ZZ Miniature Flanged Ball Bearing (1\/4\" x 5\/8\" x 0.196\") | High-Speed Precision","description":"\u003cp\u003e\u003cb\u003eProduct Description:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eStreamline Your Assembly with the KET FR4 Flanged Bearing\u003c\/b\u003e Designed for precision and ease of installation, the KET FR4 Miniature Inch Flange Bearing eliminates the need for complex machined shoulders in your housing. The integrated outer-ring flange provides perfect axial positioning, making it the ideal solution for compact motors, sensitive instrumentation, and lightweight mechanical assemblies.\u003c\/p\u003e\n\u003cp\u003eAvailable in both open (FR4) and double-shielded (FR4ZZ) configurations to protect against industrial contaminants while retaining premium factory lubrication.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Engineering Benefits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSimplified Mounting:\u003c\/b\u003e The solid flange allows for simple slip or press-fitting into straight-bored housings, drastically reducing machining costs and assembly time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Speed Capability:\u003c\/b\u003e Exceptionally low friction coefficient allows for continuous operation up to 38,000 RPM with grease, or 45,000 RPM with oil lubrication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRobust Load Handling:\u003c\/b\u003e Despite its miniature footprint, the FR4 delivers a dynamic load rating of 1480 N, ensuring stable and reliable performance under stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStrict Quality Assurance:\u003c\/b\u003e Subjected to rigorous roundness, hardness, and automatic noise testing to guarantee smooth, vibration-free rotation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSystem of Measurement:\u003c\/b\u003e Inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBore Diameter (d):\u003c\/b\u003e 6.350 mm (0.250\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOuter Diameter (D):\u003c\/b\u003e 15.875 mm (0.625\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlange Diameter (D1):\u003c\/b\u003e 17.526 mm (0.690\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOverall Width (B):\u003c\/b\u003e 4.978 mm (0.196\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlange Width (C):\u003c\/b\u003e 1.067 mm (0.042\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDynamic Load Rating (Cr):\u003c\/b\u003e 1480 N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStatic Load Rating (Cor):\u003c\/b\u003e 615 N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMax Speed (Grease):\u003c\/b\u003e 38,000 RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaterial:\u003c\/b\u003e Premium Bearing Steel (Chrome Steel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eClosure Type:\u003c\/b\u003e Open (FR4) or Metal Shields (FR4ZZ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eIdeal For:\u003c\/b\u003e 3D Printers | RC Models \u0026amp; Hobbies | Micro Gearboxes | Automated Office Equipment | Precision Measuring Instruments\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eGlobal Supply \u0026amp; B2B Wholesale\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAs a leading factory-direct supplier, KET Bearings provides robust supply chain management and reliable fulfillment for wholesale distributors and manufacturing hubs worldwide. Whether your production facilities are located in European industrial centers, the expanding Russian markets, or Central Asian manufacturing zones, we offer scalable bulk ordering, custom OEM\/ODM packaging, and dedicated logistical support to keep your assembly lines moving seamlessly.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eContact our B2B sales team today to request a quote, access technical 3D CAD files, or discuss custom non-standard bearing modifications tailored to your specific project.\u003c\/i\u003e\u003c\/p\u003e","brand":"KET Precision Bearings","offers":[{"title":"6.350mm \/ 15.875mm \/ 4.978 mm (Open) \/ 4.978 mm (Shielded)","offer_id":49478891110656,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/6890\/3936\/files\/KET_Precision_Inch_Flange_Ball_Bearing_-_KET_Precision_Bearings_KET_Inch_Flange_Bearing.webp?v=1787568812","url":"https:\/\/ketprecisionbearings.com\/ru\/products\/ket-fr4-fr4zz-miniature-flanged-ball-bearing-1-4-x-5-8-x-0-196-high-speed-precision","provider":"KET Precision Bearings","version":"1.0","type":"link"}