{"product_id":"63800-zz-miniature-deep-groove-ball-bearings-10x19x7mm-10pcs","title":"10PCS Miniature deep groove ball bearings 63800-ZZ 63800Z size10 * 19*7","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e63800-ZZ Miniature Deep Groove Ball Bearings — Reliable Rotation for Compact Mechanisms\u003c\/h2\u003e\n\u003cp\u003eWhen a seized bearing brings a motor, wheel, or spindle to a halt, downtime adds up fast. Hobbyists, repair technicians, and mechanical engineers who work with compact rotating assemblies need a bearing that fits precisely, runs quietly, and holds up under repeated load cycles. These 63800-ZZ miniature deep groove ball bearings deliver exactly that in a 10-piece pack sized for workshop stock.\u003c\/p\u003e\n\u003cp\u003eEach bearing in this pack measures 10 mm inner diameter × 19 mm outer diameter × 7 mm width (approx. 0.394\" × 0.748\" × 0.276\"). The double-metal-shield (ZZ) design keeps grease in and contaminants out without adding significant drag. The chrome steel raceway and ball complement a precision-ground groove profile for smooth, low-noise operation across a wide RPM range.\u003c\/p\u003e\n\u003cp\u003eCommon applications include small DC and stepper motors, RC car and drone drivetrains, skateboard and inline-skate wheel axles, 3D printer carriage assemblies, and light-duty industrial spindles — anywhere a 10 mm bore deep groove ball bearing is specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits any application calling for a 63800-ZZ or 63800Z bearing with a 10 mm bore, 19 mm OD, and 7 mm width. Verify bore, OD, and width against your existing bearing or engineering drawing before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 63800-ZZ Deep Groove Ball Bearings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003ePrecise 10×19×7 mm Dimensions\u003c\/strong\u003e\u003cbr\u003eMachined to standard 63800 series tolerances — drop-in replacement for OEM and aftermarket applications without modification.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eDouble Metal Shield (ZZ)\u003c\/strong\u003e\u003cbr\u003eBoth sides sealed with steel shields to retain lubricant and block dust, metal chips, and debris from entering the raceway.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cstrong\u003eChrome Steel Construction\u003c\/strong\u003e\u003cbr\u003eGCr15 chrome steel inner and outer rings with hardened steel balls provide the load capacity and fatigue life needed for continuous-duty rotation.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔇\u003c\/span\u003e\u003cstrong\u003eLow-Noise, Low-Vibration Operation\u003c\/strong\u003e\u003cbr\u003ePrecision-ground raceways and a full complement of balls minimize vibration and audible noise — critical for motors, fans, and precision instruments.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003e10-Piece Workshop Pack\u003c\/strong\u003e\u003cbr\u003eTen identical bearings per order — enough to complete a full rebuild, stock a repair kit, or cover multiple machines in a single purchase.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eWide Application Range\u003c\/strong\u003e\u003cbr\u003eSuited for RC vehicles, 3D printers, small motors, skateboard axles, and light industrial spindles wherever a 63800-series bearing is specified.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — 63800-ZZ Deep Groove Ball Bearings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Model\u003c\/th\u003e\n\u003ctd\u003e63800-ZZ \/ 63800Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter (Bore)\u003c\/th\u003e\n\u003ctd\u003e10 mm (0.394\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003e19 mm (0.748\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e7 mm (0.276\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShield Type\u003c\/th\u003e\n\u003ctd\u003eDouble metal shield (ZZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eChrome steel (GCr15)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eGrease-filled (factory pre-lubricated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Pack\u003c\/th\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDynamic Load Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStatic Load Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax RPM\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between 63800-ZZ and 63800Z?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBoth designations refer to the same bearing with double metal shields on each side. \"ZZ\" is the most common notation used by bearing manufacturers worldwide, while \"Z\" or \"63800Z\" is an alternate shorthand. The physical dimensions and performance characteristics are identical — 10 mm bore, 19 mm OD, 7 mm width.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings pre-lubricated?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Each bearing is factory-filled with grease behind the metal shields before shipping. For most hobby and light-duty applications, no additional lubrication is needed at installation. If operating in high-temperature or high-speed environments, consult the equipment manufacturer's lubrication specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these bearings outdoors or in wet conditions?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe ZZ metal shields provide basic protection against dust and light splash, but they are not fully waterproof. For sustained exposure to water, mud, or corrosive environments, consider rubber-sealed (2RS) bearings or stainless steel variants. Contact us to confirm availability of alternative seal types.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat applications are these 63800-ZZ bearings compatible with?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese bearings are compatible with any assembly that specifies a 63800-series bearing with a 10 mm bore, 19 mm outer diameter, and 7 mm width. Typical uses include small DC and stepper motors, RC car and drone drivetrains, 3D printer carriages, skateboard and inline-skate axles, and light industrial spindles. Always verify dimensions against your application's engineering drawing or existing bearing before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right quantity for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThis listing ships 10 bearings per pack. For a single-axis motor or wheel replacement, one pack typically covers multiple repair cycles. For larger builds — such as a full 3D printer or multi-wheel RC chassis — calculate the total bearing count per machine and order accordingly. Having spares on hand reduces future downtime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I install or remove a miniature deep groove ball bearing without damaging it?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAlways apply installation force to the ring being pressed — inner ring when pressing onto a shaft, outer ring when pressing into a housing. Use a bearing press, arbor press, or a correctly sized socket as a driver. Never strike the bearing directly with a hammer, and avoid applying force across the balls, as this can brinell the raceways and shorten service life. If the fit is very tight, gentle, even heating of the housing (not the bearing) can ease installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your quantity above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":52409738559762,"sku":"WF093","price":9.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-02_142d79c9-b92d-4e58-897a-06cce4f7d0c6.jpg?v=1782226855","url":"https:\/\/homediyer.com\/products\/63800-zz-miniature-deep-groove-ball-bearings-10x19x7mm-10pcs","provider":"HomeDIYer","version":"1.0","type":"link"}