{"product_id":"f6300-f6702-2z-zz-flange-ball-bearings-double-shielded","title":"F6300 to F6702 2Z (ZZ) Bearing Steel Micro Double Shielded Flange Ball Bearings","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eF6300–F6702 2Z Flange Ball Bearings — Double Shielded Micro Bearings for Tight-Space Applications\u003c\/h2\u003e\n\u003cp\u003eWhen a standard deep-groove bearing simply won't fit your housing geometry, engineers and DIY builders turn to flanged micro ball bearings. The F6300–F6702 2Z series solves the alignment and retention challenge in compact assemblies — the integral flange seats flush against a shoulder bore, eliminating the need for snap rings or press-fit shoulders while keeping axial positioning precise.\u003c\/p\u003e\n\u003cp\u003eThese double shielded flange ball bearings are manufactured from bearing-grade steel with two pressed-steel shields (2Z \/ ZZ designation) on both faces. The shield pair retains factory-applied grease and blocks particulate ingress without the drag penalty of contact seals. Available models span inner diameters from 10 mm (0.394 in) to 30 mm (1.181 in) and outer diameters from 15 mm (0.591 in) to 72 mm (2.835 in), with thickness ranging from 4 mm (0.157 in) to 19 mm (0.748 in). Two sub-series are included: the ultra-thin F6700–F6702 flat-flange group and the standard-depth F6300–F6306 series.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include small DC motor end-caps requiring flanged retention, 3D printer carriage and extruder pivot points where axial float must be controlled, RC vehicle drivetrain idler positions, and precision jig fixtures in light industrial tooling. The 2Z shield configuration makes these double shielded flange ball bearings suitable for dusty workshop environments and enclosed gearbox cavities alike.\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 Note:\u003c\/strong\u003e These bearings follow standard F6xxx flanged bore dimensions. Verify your housing bore diameter and flange recess depth against the selected model's OD and flange OD before ordering. Shaft tolerance h6 or js6 recommended for most applications.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Double Shielded Flange Ball Bearings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eIntegral Flange Design\u003c\/strong\u003e — The raised flange rim provides a positive axial stop against the housing face, simplifying installation and preventing bearing walk-out under thrust loads without additional retaining hardware.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003e2Z Double Steel Shields\u003c\/strong\u003e — Both faces are fitted with non-contact pressed-steel shields that retain grease and exclude dust and light debris, extending service intervals in moderately contaminated environments.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cstrong\u003eBearing Steel Construction\u003c\/strong\u003e — Rings and rolling elements are produced from through-hardened bearing steel, delivering the hardness and fatigue resistance required for continuous rotational loads in motors, gearboxes, and precision instruments.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eWide Size Range — 10 Models\u003c\/strong\u003e — From the ultra-compact F6700 (10×15×4 mm \/ 0.39×0.59×0.16 in) to the F6306 (30×72×19 mm \/ 1.18×2.83×0.75 in), covering micro motor shafts through medium-duty pivot applications in a single product family.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eLow-Friction Pre-Greased Operation\u003c\/strong\u003e — Factory-applied grease behind the 2Z shields provides immediate lubrication at first run, reducing break-in wear and supporting consistent torque characteristics across the operating speed range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Order as a single piece for prototyping or in packs of 3, 5, or 10 for production runs and maintenance stock, with per-unit cost decreasing at higher quantities.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Flanged Ball Bearings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eSingle-row deep-groove ball bearing with flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShield Configuration\u003c\/th\u003e\n\u003ctd\u003e2Z (ZZ) — double non-contact steel shields, both sides\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBearing steel (rings \u0026amp; balls); pressed steel (shields)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter (ID) Range\u003c\/th\u003e\n\u003ctd\u003e10 mm – 30 mm (0.394 in – 1.181 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD) Range\u003c\/th\u003e\n\u003ctd\u003e15 mm – 72 mm (0.591 in – 2.835 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness Range\u003c\/th\u003e\n\u003ctd\u003e4 mm – 19 mm (0.157 in – 0.748 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Models\u003c\/th\u003e\n\u003ctd\u003eF6700, F6701, F6702, F6300, F6301, F6302, F6303, F6304, F6305, F6306\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eFactory-applied grease (pre-lubricated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRadial Clearance\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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 Operating Speed\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e1 pc \/ 3 pcs \/ 5 pcs \/ 10 pcs\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\u003eHow do I choose the correct model for my shaft diameter?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the bearing's inner diameter (ID) to your shaft diameter. For example, if your shaft is 15 mm, select F6702 (15×21×4 mm) from the thin series or F6302 (15×42×13 mm) from the standard-depth series depending on your available housing depth. Always verify the housing bore matches the bearing OD and that the flange recess accommodates the flange outer diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the F6700 series and the F6300 series?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe F6700–F6702 sub-series are ultra-thin flat-flange bearings with a thickness of only 4 mm, designed for space-constrained assemblies where axial depth is critical. The F6300–F6306 sub-series are standard-depth flanged bearings with greater load capacity and thicker cross-sections (11–19 mm), suited for applications requiring higher radial and axial load ratings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the 2Z (ZZ) designation mean?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e2Z indicates that both sides of the bearing are fitted with non-contact pressed-steel shields. These shields retain the factory grease and block dust and light particulate from entering the bearing cavity. Unlike rubber contact seals (2RS), steel shields do not touch the inner ring, resulting in lower friction and higher permissible speeds, at the cost of slightly less sealing effectiveness against fine dust or liquid splash.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings corrosion-resistant or suitable for wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese bearings are made from standard bearing steel, which is not inherently stainless. They are suitable for dry to moderately dusty environments. For applications involving water exposure, high humidity, or chemical contact, consider stainless steel flanged bearings instead. Applying a compatible bearing grease or corrosion inhibitor can extend service life in mildly humid conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these bearings in a motor or high-speed spindle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. The 2Z steel shield configuration and pre-applied grease make these bearings suitable for moderate-speed motor end-cap and spindle applications. Maximum permissible speed varies by model size — larger bearings (e.g., F6306) have lower speed limits than smaller ones (e.g., F6700). Contact us to confirm speed ratings for your specific model if operating near the upper speed range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I install a flanged ball bearing correctly?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePress or slide the bearing into the housing bore until the flange seats flush against the housing face. Apply force only to the outer ring when pressing into the housing — never press through the balls or inner ring. For shaft installation, apply force to the inner ring only. Use a bearing press or a correctly sized sleeve to avoid cocking the bearing during installation. Do not hammer directly on the shield face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich pack quantity should I order?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor prototyping or single-machine repair, the 1-piece option lets you validate fit and performance before committing to stock. For small production runs or maintenance kits, the 3- or 5-piece packs offer a lower per-unit cost. The 10-piece pack provides the best per-unit value and is recommended for ongoing production or when maintaining a spare-parts inventory for multiple machines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Model (IDxODxThickn) and quantity above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"F6700 (10x15x4mm) \/ 1","offer_id":52410428326162,"sku":"LXDSHXJZC5930x1","price":5.7,"currency_code":"USD","in_stock":true},{"title":"F6701 (12x18x4mm) \/ 1","offer_id":52410428358930,"sku":"LXDSHXJZC5931x1","price":5.97,"currency_code":"USD","in_stock":true},{"title":"F6702 (15x21x4mm) \/ 1","offer_id":52410428391698,"sku":"LXDSHXJZC5932x1","price":6.65,"currency_code":"USD","in_stock":true},{"title":"F6300 (10x35x11mm) \/ 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