{"product_id":"3578-cone-bearing","title":"3578 Universal Tractor Bearing Cone","description":"\u003ch3\u003eOne New Aftermarket Replacement Tapered Roller Bearing Cone - Universal Fits John Deere, Fits Case\/International Harvester, Fits Caterpillar and More\u003c\/h3\u003e\u003cp\u003eThis single-row tapered roller bearing cone (inner race assembly) is a direct-fit aftermarket replacement for use in tractors, construction equipment, and agricultural machinery across multiple major brands. The cone works in conjunction with a compatible cup (outer race) to handle both radial and axial loads in wheel hubs, axles, transmissions, and steering assemblies. Compatible cup part number is 3520.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBearing Type: Single-Row Tapered Roller Bearing Cone\u003c\/li\u003e\n\u003cli\u003eInside Diameter (Bore): 1.750 in (44.450 mm)\u003c\/li\u003e\n\u003cli\u003eCone Width: 1.216 in (30.886 mm)\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 3.13 in (approx.)\u003c\/li\u003e\n\u003cli\u003eFillet Radius: 0.14 in (3.6 mm)\u003c\/li\u003e\n\u003cli\u003eCage Material: Pressed Steel\u003c\/li\u003e\n\u003cli\u003eRing\/Roller Material: Alloy Steel\u003c\/li\u003e\n\u003cli\u003eRows: Single Row\u003c\/li\u003e\n\u003cli\u003eCompatible Cup: 3520\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere:\u003c\/strong\u003e Various tractor and agricultural equipment models (universal-fit bearing by industry number 3578)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Case \/ Fits Case IH:\u003c\/strong\u003e Various tractor and construction equipment models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar (Fits CAT):\u003c\/strong\u003e Various construction and industrial equipment models\u003c\/p\u003e\u003cp\u003eThis is an industry-standard bearing number used across multiple OEM brands in tractors, combines, loaders, and related equipment. Verify fitment against your machine's parts manual before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e3578, 168421R91, 357836R91, 357842R91, 357848R91, 357849R91, 357850R1, 1B3975, 3578-TIM, 913-3578, M93599, ST2005A\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eTimken 3578; NTN 3578; Bower 3578. Assembly number: 3578-20024 (cone only). Also sold as part of assembly 3578\/3520 and 3578\/3525.\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":32307967623251,"sku":"3578","price":48.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/3578_01.jpg?v=1757655675","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/3578-cone-bearing","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}