{"product_id":"ntn-4t-30311d-tapered-roller-bearing-55-120-31-5-mm-load-support","title":"NTN 4T-30311D Tapered Roller Bearing – 55×120×31.5 mm Load Support","description":"\u003cp data-start=\"258\" data-end=\"645\"\u003eThe \u003cstrong data-start=\"262\" data-end=\"279\"\u003eNTN 4T-30311D\u003c\/strong\u003e (also known as \u003cstrong data-start=\"295\" data-end=\"305\"\u003e30311D\u003c\/strong\u003e) is a \u003cstrong data-start=\"312\" data-end=\"349\"\u003esingle-row tapered roller bearing\u003c\/strong\u003e engineered to support both \u003cstrong data-start=\"377\" data-end=\"403\"\u003eradial and axial loads\u003c\/strong\u003e in automotive and industrial applications. Its metric ISO series, conical rollers, and separable cone\/cup design make it ideal for \u003cstrong data-start=\"535\" data-end=\"606\"\u003ewheel hubs, axle ends, transmissions, and heavy rotating assemblies\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"647\" data-end=\"650\"\u003e\n\u003ch2 data-start=\"652\" data-end=\"683\"\u003e\u003cstrong data-start=\"655\" data-end=\"683\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"685\" data-end=\"1618\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"685\" data-end=\"719\"\u003e\n\u003ctr data-start=\"685\" data-end=\"719\"\u003e\n\u003cth data-start=\"685\" data-end=\"705\" data-col-size=\"sm\" class=\"\"\u003e\u003cstrong data-start=\"687\" data-end=\"704\"\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"705\" data-end=\"719\" data-col-size=\"md\" class=\"\"\u003e\u003cstrong data-start=\"707\" data-end=\"717\"\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"754\" data-end=\"1618\"\u003e\n\u003ctr data-start=\"754\" data-end=\"773\"\u003e\n\u003ctd data-start=\"754\" data-end=\"766\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"756\" data-end=\"765\"\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"766\" data-end=\"773\" data-col-size=\"md\"\u003eNTN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"774\" data-end=\"814\"\u003e\n\u003ctd data-start=\"774\" data-end=\"792\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"776\" data-end=\"791\"\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"792\" data-end=\"814\" data-col-size=\"md\"\u003e4T-30311D (30311D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"815\" data-end=\"871\"\u003e\n\u003ctd data-start=\"815\" data-end=\"834\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"817\" data-end=\"833\"\u003eBearing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"834\" data-end=\"871\" data-col-size=\"md\"\u003eSingle-Row Tapered Roller Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"872\" data-end=\"948\"\u003e\n\u003ctd data-start=\"872\" data-end=\"897\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"874\" data-end=\"896\"\u003eInner Diameter (d)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"897\" data-end=\"948\" data-col-size=\"md\"\u003e\n\u003cstrong data-start=\"899\" data-end=\"908\"\u003e55 mm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"949\" data-end=\"1026\"\u003e\n\u003ctd data-start=\"949\" data-end=\"974\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"951\" data-end=\"973\"\u003eOuter Diameter (D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"974\" data-end=\"1026\" data-col-size=\"md\"\u003e\n\u003cstrong data-start=\"976\" data-end=\"986\"\u003e120 mm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1027\" data-end=\"1102\"\u003e\n\u003ctd data-start=\"1027\" data-end=\"1043\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1029\" data-end=\"1042\"\u003eWidth (B)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1043\" data-end=\"1102\" data-col-size=\"md\"\u003e\n\u003cstrong data-start=\"1045\" data-end=\"1062\"\u003e29 mm (inner)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1103\" data-end=\"1178\"\u003e\n\u003ctd data-start=\"1103\" data-end=\"1125\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1105\" data-end=\"1124\"\u003eTotal Width (T)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1125\" data-end=\"1178\" data-col-size=\"md\"\u003e\n\u003cstrong data-start=\"1127\" data-end=\"1138\"\u003e31.5 mm\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1179\" data-end=\"1253\"\u003e\n\u003ctd data-start=\"1179\" data-end=\"1204\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1181\" data-end=\"1203\"\u003eStatic Load Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1204\" data-end=\"1253\" data-col-size=\"md\"\u003e~154 kN \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1254\" data-end=\"1329\"\u003e\n\u003ctd data-start=\"1254\" data-end=\"1280\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1256\" data-end=\"1279\"\u003eDynamic Load Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1280\" data-end=\"1329\" data-col-size=\"md\"\u003e~132 kN \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1330\" data-end=\"1430\"\u003e\n\u003ctd data-start=\"1330\" data-end=\"1351\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1350\"\u003eLimiting Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1351\" data-end=\"1430\" data-col-size=\"md\"\u003e~2,900 rpm (grease), ~3,800 rpm (oil) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1431\" data-end=\"1493\"\u003e\n\u003ctd data-start=\"1431\" data-end=\"1444\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1433\" data-end=\"1443\"\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1444\" data-end=\"1493\" data-col-size=\"md\"\u003e~1.6 kg \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1494\" data-end=\"1523\"\u003e\n\u003ctd data-start=\"1494\" data-end=\"1510\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1509\"\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1510\" data-end=\"1523\" data-col-size=\"md\"\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1524\" data-end=\"1618\"\u003e\n\u003ctd data-start=\"1524\" data-end=\"1546\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1526\" data-end=\"1545\"\u003eSeries Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1546\" data-end=\"1618\" data-col-size=\"md\"\u003eMetric ISO tapered (4T Series) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1620\" data-end=\"1930\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1633\"\u003eOverview:\u003c\/strong\u003e The tapered roller design supports \u003cstrong data-start=\"1669\" data-end=\"1704\"\u003ecombined radial and axial loads\u003c\/strong\u003e with a conical roller\/raceway geometry, and the separable cone and cup allow \u003cstrong data-start=\"1782\" data-end=\"1827\"\u003eprecise preload and mounting arrangements\u003c\/strong\u003e (e.g., O, X, tandem) in automotive hubs and industrial shafts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1932\" data-end=\"1935\"\u003e\n\u003ch2 data-start=\"1937\" data-end=\"1972\"\u003e\u003cstrong data-start=\"1940\" data-end=\"1972\"\u003eAutomotive \u0026amp; Vehicle Fitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1974\" data-end=\"2265\"\u003eTapered roller bearings like the \u003cstrong data-start=\"2007\" data-end=\"2033\"\u003eNTN 4T-30311D \/ 30311D\u003c\/strong\u003e are selected by \u003cstrong data-start=\"2050\" data-end=\"2087\"\u003edimension and OEM cross reference\u003c\/strong\u003e, not by a generic universal list — meaning they \u003cem data-start=\"2136\" data-end=\"2224\"\u003efit when a specific vehicle’s hub\/axle parts call for a 55×120×31.5 mm tapered bearing\u003c\/em\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2267\" data-end=\"2302\"\u003e\u003cstrong data-start=\"2271\" data-end=\"2302\"\u003eCommon Vehicle Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2303\" data-end=\"2558\"\u003eThis bearing size is \u003cstrong data-start=\"2324\" data-end=\"2392\"\u003ecommonly found in automotive hub, axle and drivetrain assemblies\u003c\/strong\u003e, particularly in larger passenger vehicles, light commercial trucks, and vans where similar sized tapered bearings are specified (e.g., OE and aftermarket fitments):\u003c\/p\u003e\n\u003cp data-start=\"2560\" data-end=\"2819\"\u003e✔ \u003cstrong data-start=\"2562\" data-end=\"2586\"\u003eWheel hub assemblies\u003c\/strong\u003e – front\/rear hubs supporting axial + radial loads\u003cbr data-start=\"2636\" data-end=\"2639\"\u003e✔ \u003cstrong data-start=\"2641\" data-end=\"2678\"\u003eAxle ends \/ differential carriers\u003c\/strong\u003e – rear and front axles where combined loads occur\u003cbr data-start=\"2728\" data-end=\"2731\"\u003e✔ \u003cstrong data-start=\"2733\" data-end=\"2769\"\u003eTransmission output\/input shafts\u003c\/strong\u003e – some gear assemblies requiring tapered bearings\u003c\/p\u003e\n\u003cp data-start=\"2821\" data-end=\"3140\"\u003eBecause vehicle parts catalogs typically use \u003cstrong data-start=\"2866\" data-end=\"2891\"\u003eOEM reference numbers\u003c\/strong\u003e, you must \u003cstrong data-start=\"2902\" data-end=\"2951\"\u003everify your vehicle’s OEM bearing part number\u003c\/strong\u003e before ordering. When the OEM bearing references correspond to a 55×120×31.5 mm metric tapered bearing, the 4T-30311D is an appropriate replacement. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote data-start=\"3142\" data-end=\"3347\"\u003e\n\u003cp data-start=\"3144\" data-end=\"3347\"\u003e📌 \u003cstrong data-start=\"3147\" data-end=\"3178\"\u003eFinal fitment confirmation:\u003c\/strong\u003e Always match the \u003cstrong data-start=\"3196\" data-end=\"3215\"\u003eOEM part number\u003c\/strong\u003e from your vehicle’s parts list (e.g., Nissan, Toyota, Mitsubishi, Hino axle\/hub\/differential part numbers) to ensure compatibility.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"3349\" data-end=\"3352\"\u003e\n\u003ch2 data-start=\"3354\" data-end=\"3399\"\u003e\u003cstrong data-start=\"3357\" data-end=\"3399\"\u003eWhere It’s Used (Typical Applications)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"3401\" data-end=\"3422\"\u003e\u003cstrong data-start=\"3408\" data-end=\"3422\"\u003eAutomotive\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3423\" data-end=\"3582\"\u003e\n\u003cli data-start=\"3423\" data-end=\"3462\"\u003e\n\u003cp data-start=\"3425\" data-end=\"3462\"\u003e\u003cstrong data-start=\"3425\" data-end=\"3460\"\u003eFront \u0026amp; rear wheel hub bearings\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3463\" data-end=\"3505\"\u003e\n\u003cp data-start=\"3465\" data-end=\"3505\"\u003e\u003cstrong data-start=\"3465\" data-end=\"3503\"\u003eRear differential carrier bearings\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3506\" data-end=\"3549\"\u003e\n\u003cp data-start=\"3508\" data-end=\"3549\"\u003e\u003cstrong data-start=\"3508\" data-end=\"3547\"\u003eAxle support bearings (pinion\/side)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3550\" data-end=\"3582\"\u003e\n\u003cp data-start=\"3552\" data-end=\"3582\"\u003e\u003cstrong data-start=\"3552\" data-end=\"3582\"\u003eTransmission shaft support\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3584\" data-end=\"3876\"\u003eSince this is a standard size bearing, it’s \u003cem data-start=\"3628\" data-end=\"3641\"\u003ewidely used\u003c\/em\u003e in many vehicles that require this exact metric-series tapered roller bearing — from passenger cars to light and medium trucks — when the OEM bearing annotated in the service manual corresponds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3878\" data-end=\"3881\"\u003e\n\u003ch3 data-start=\"3883\" data-end=\"3922\"\u003e\u003cstrong data-start=\"3890\" data-end=\"3922\"\u003eIndustrial \u0026amp; Heavy Machinery\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3923\" data-end=\"4065\"\u003e\n\u003cli data-start=\"3923\" data-end=\"3952\"\u003e\n\u003cp data-start=\"3925\" data-end=\"3952\"\u003eGear reducers \u0026amp; gearboxes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3953\" data-end=\"3972\"\u003e\n\u003cp data-start=\"3955\" data-end=\"3972\"\u003eConveyor shafts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3973\" data-end=\"4006\"\u003e\n\u003cp data-start=\"3975\" data-end=\"4006\"\u003eConstruction equipment drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4007\" data-end=\"4038\"\u003e\n\u003cp data-start=\"4009\" data-end=\"4038\"\u003eAgricultural machinery hubs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4039\" data-end=\"4065\"\u003e\n\u003cp data-start=\"4041\" data-end=\"4065\"\u003eHeavy rotating machinery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4067\" data-end=\"4264\"\u003eTapered roller bearings handle \u003cstrong data-start=\"4098\" data-end=\"4138\"\u003elarge radial loads with axial thrust\u003c\/strong\u003e when mounted properly — essential in both automotive and industrial rotating systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4266\" data-end=\"4269\"\u003e\n\u003ch2 data-start=\"4271\" data-end=\"4297\"\u003e\u003cstrong data-start=\"4274\" data-end=\"4297\"\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4299\" data-end=\"4953\"\u003e✔ \u003cstrong data-start=\"4301\" data-end=\"4324\"\u003eHigh Load Capacity:\u003c\/strong\u003e Supports combined radial and axial loads reliably. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"4415\" data-end=\"4418\"\u003e✔ \u003cstrong data-start=\"4420\" data-end=\"4441\"\u003eSeparable Design:\u003c\/strong\u003e Cone and cup separate for easy mounting and precise preload adjustment. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"4553\" data-end=\"4556\"\u003e✔ \u003cstrong data-start=\"4558\" data-end=\"4581\"\u003eVersatile Mounting:\u003c\/strong\u003e Suitable for O, X, tandem arrangements for bidirectional axial load support. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"4698\" data-end=\"4701\"\u003e✔ \u003cstrong data-start=\"4703\" data-end=\"4728\"\u003eDurable Construction:\u003c\/strong\u003e Hardened steel rollers and rings for long life under stress. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"4829\" data-end=\"4832\"\u003e✔ \u003cstrong data-start=\"4834\" data-end=\"4851\"\u003eOpen Bearing:\u003c\/strong\u003e Suited to applications with external lubrication and sealing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Win Auto Parts","offers":[{"title":"Default Title","offer_id":31835655209058,"sku":"WS-11027-NTN-MM","price":85388.0,"currency_code":"MMK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2614\/9690\/products\/no_image-600x400_fec683ac-1744-4ae0-bac3-23b447685a5b.png?v=1595552614","url":"https:\/\/winstores.com\/th\/products\/ntn-4t-30311d-tapered-roller-bearing-55-120-31-5-mm-load-support","provider":"Win Store","version":"1.0","type":"link"}