{"product_id":"skf-spherical-roller-bearings-21309-ek","title":"SKF 21309 E K Spherical Roller Bearing (Tapered Bore 1:12) 45×100×25 mm","description":"\u003cp\u003e\u003cstrong\u003eBrand: SKF\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eID: 21309 EK\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cu\u003eDescription:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul type=\"disc\"\u003e\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eSpherical Roller Bearing – 45×100×25 mm (Explorer, Tapered Bore 1:12)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eCategory: Spherical roller bearings\u003cbr\u003eProduct ID: 10045113\u003cbr\u003eCustoms Tariff Number: 8482 3000\u003cbr\u003eEAN: 7316577742223\u003cbr\u003eManufacturer Part Number: 7316577742223\u003cbr\u003eWeight: 0.980 kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e1. Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eMetric\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eInner Diameter (d): 45.000 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOuter Diameter (D): 100.000 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eWidth (B): 25.000 mm\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eInch (approx.)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eInner Diameter: 1.7717 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOuter Diameter: 3.9370 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eWidth: 0.9843 in\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e2. Product Properties\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eBearing Type: Spherical roller bearing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eMaterial: Standard bearing steel (rings and rollers)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eOuter Ring:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLubrication groove\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLubrication holes in outer ring\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSeal: None – open bearing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eRadial Clearance: Normal radial clearance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCage: Sheet steel cage\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eBore Type: Tapered bore 1:12\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eVersion:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eStandard version\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eExplorer performance class\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eTemperature Range: –30 °C to +200 °C\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eTolerance Class:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eDimensional accuracy: PN\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eRunning accuracy: P5\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e3. Technical Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eThis bearing is a spherical roller bearing with a tapered bore (1:12), designed to carry:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eVery high radial loads\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eAxial loads in both directions\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eThe internal design includes two rows of barrel-shaped rollers guided by a sheet steel cage and a spherical outer ring raceway, giving the bearing self-aligning capability. This allows it to compensate for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eShaft misalignment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHousing deformation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eShaft deflection under load\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eThe tapered bore (1:12) allows mounting on:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eTapered shafts directly, or\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCylindrical shafts using an adapter sleeve or withdrawal sleeve\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eThis provides flexible mounting options and the ability to adjust internal clearance during installation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eThe lubrication groove and holes in the outer ring make relubrication easy and reliable, especially in heavily loaded or high-temperature applications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eAs an Explorer-class bearing, it features optimized internal geometry and surface finish for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHigher dynamic load capacity\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eReduced friction and operating temperature\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLonger service life compared to standard spherical roller bearings\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e4. Typical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHeavy-duty industrial gearboxes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCrushers, screens, and mining machinery\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003ePulp and paper processing equipment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eConveyors and material-handling systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLarge electric motors and industrial drives\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eIdeal wherever:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHigh radial and axial loads are present\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eMisalignment must be tolerated\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eA tapered bore is preferred for adjustable fit and easy mounting\/removal\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"MsoNormal\" align=\"center\"\u003e\u003chr size=\"2\" width=\"100%\" align=\"center\"\u003e\u003c\/div\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e5. Key Advantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSelf-aligning capability – compensates for misalignment and shaft deflection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eHigh load capacity – supports heavy radial plus axial loads in both directions\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eTapered bore 1:12 – flexible mounting with sleeves or tapered shafts and adjustable internal clearance\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eLubrication groove and holes – improved lubrication reliability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eExplorer performance – optimized design for longer life and lower operating temperature\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"font-weight: bold;\"\u003e\u003cstrong\u003eWide temperature range (–30 °C to +200 °C) for tough industrial environments\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul type=\"disc\"\u003e\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e  PACKAGE INCLUDES: ONE (1) SKF Bearing 21309 E K\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":47736763777344,"sku":"","price":133.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/3910\/9952\/files\/03e08575-825b-4455-8b35-f0feb96f7ccf.jpg?v=1764788683","url":"https:\/\/sunrisebearingsfl.com\/products\/skf-spherical-roller-bearings-21309-ek","provider":"Sunrise Bearings Florida","version":"1.0","type":"link"}