{"product_id":"inmotion-wt387as-wheel-bearing-front-inner-rear-or-rear-inner","title":"InMotion WT387AS Wheel Bearing - Front Inner, Rear or Rear Inner","description":"\u003ch2\u003eWheel Bearing for Heavy-Duty Rear Axles\u003c\/h2\u003e\u003cp\u003eThe InMotion WT387AS is a taper wheel bearing built for rear inner applications across a wide range of trucks, vans, and SUVs. With a cylindrical profile, Gen 1 bearing generation, and a 2.25 in. (57.2 mm) inside diameter, it is sized for demanding driveline and axle service where smooth rotation and reduced friction matter.\u003c\/p\u003e\u003cp\u003eCompatible With Ford F-350 Super Duty, Chevrolet Express 2500, GMC Savana 3500, and other rear inner applications listed below, this bearing is a direct-fit service part for many full-floating and heavy-duty axle setups. The WT387AS is also a fitment match for select Mercedes-Benz rear applications with a 198 mm ring gear.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWheel bearing for rear inner axle service\u003c\/li\u003e\n\u003cli\u003eTaper bearing design for stable rotational support\u003c\/li\u003e\n\u003cli\u003eGen 1 bearing generation\u003c\/li\u003e\n\u003cli\u003eInside diameter: 2.25 in. \/ 57.2 mm\u003c\/li\u003e\n\u003cli\u003eWidth: 0.864 in. \/ 21.9 mm\u003c\/li\u003e\n\u003cli\u003eCone radius: 0.2 in. \/ 5.1 mm\u003c\/li\u003e\n\u003cli\u003eBuilt from high-quality materials for durability in automotive and industrial use\u003c\/li\u003e\n\u003cli\u003ePart number: WT387AS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eInMotion WT387AS is engineered as a universal-style taper wheel bearing for rear inner positions on a broad range of vehicles and axle configurations. Its dimensions and bearing geometry support consistent wheel-end operation, helping maintain smooth axle rotation and dependable load handling in service environments that demand long-term durability. This part number, WT387AS, is commonly searched for heavy-duty rear axle repair on Ford E-350 Super Duty, Chevrolet Silverado 2500 HD, and GMC Sierra 2500 HD applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Timken SET45 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWheel-end noise from worn rear inner bearings\u003c\/li\u003e\n\u003cli\u003eExcessive play or looseness at the axle hub\u003c\/li\u003e\n\u003cli\u003eRough rotation caused by bearing wear or contamination\u003c\/li\u003e\n\u003cli\u003eReduced stability in heavy-load rear axle service\u003c\/li\u003e\n\u003cli\u003eService needs on full-floating and heavy-duty rear axle assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Fitment\u003c\/h2\u003e\u003cp\u003eInstall this bearing only in the rear inner position listed for your vehicle and axle configuration. Confirm axle type, ring gear size, and rear wheel setup before ordering, since fitment varies by model and trim. For example, Fits 2018-2022 Ford F-350 Super Duty, rear inner with Single Rear Wheels (SRW); Fits 2017-2018 Chevrolet Express 2500, rear inner with Single Rear Wheels (SRW); Fits 2011-2018 Chevrolet Silverado 2500 HD, rear with 10.5in Ring Gear; Fits 1999-2016 Ford F-350 Super Duty, rear inner with Dual Rear Wheels (DRW); Fits 2003-2012 Chevrolet Express 3500, rear inner with Single Rear Wheels (SRW).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2021-2023 Ford E-350 Super Duty, rear inner with Full Floating Rear Axle\u003c\/li\u003e\n\u003cli\u003eFits 2019 Ford E-350 Super Duty, rear inner with Full Floating Rear Axle\u003c\/li\u003e\n\u003cli\u003eFits 2018-2022 Ford F-350 Super Duty, rear inner with Single Rear Wheels (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2017-2018 Chevrolet Express 2500, rear inner with Single Rear Wheels (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2017-2018 Chevrolet Express 3500, rear inner with Single Rear Wheels (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2003-2012 Chevrolet Express 3500, rear inner with Single Rear Wheels (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2011-2018 Chevrolet Silverado 2500 HD, rear with 10.5in Ring Gear\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Ford E-350 Super Duty, rear inner\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Ford Transit-150, rear inner\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Ford Transit-250, rear inner\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Ford Transit-350, rear inner\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Ford Transit-350 HD, rear inner\u003c\/li\u003e\n\u003cli\u003eFits 2017-2018 GMC Savana 2500, rear inner with Single Rear Wheels (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2003-2018 GMC Savana 3500, rear inner with Single Rear Wheels (SRW)\u003c\/li\u003e\n\u003cli\u003eFits 2011-2018 GMC Sierra 2500 HD, rear with 10.5in Ring Gear\u003c\/li\u003e\n\u003cli\u003eFits 2011-2016 Chevrolet Express 2500, rear with 10.5in Ring Gear\u003c\/li\u003e\n\u003cli\u003eFits 2003-2010 Ford E-350 Super Duty, rear inner with Full-Floating\u003c\/li\u003e\n\u003cli\u003eFits 2001-2010 Chevrolet Silverado 2500 HD, rear inner\u003c\/li\u003e\n\u003cli\u003eFits 1999-2016 Ford F-350 Super Duty, rear inner with Dual Rear Wheels (DRW)\u003c\/li\u003e\n\u003cli\u003eFits 1999-2004 Chevrolet Silverado 2500, rear inner with 10.5in Ring Gear\u003c\/li\u003e\n\u003cli\u003eFits 1998-2005 Mercedes-Benz CL500, rear with 198mm Ring Gear\u003c\/li\u003e\n\u003cli\u003eFits 1994-2005 Mercedes-Benz S500, rear with 198mm Ring Gear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eInMotion manufactures this bearing from high-quality materials for use in automotive and industrial environments where consistent rotation and durability are required. The WT387AS is specified with published dimensions and fitment data to support accurate parts selection for rear axle service.\u003c\/p\u003e","brand":"InMotion","offers":[{"title":"Default Title","offer_id":52406893412533,"sku":"HKKS-WT387AS","price":24.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WJ_WT387AS_Fro.jpg?v=1777775653","url":"https:\/\/www.partcatalog.com\/products\/inmotion-wt387as-wheel-bearing-front-inner-rear-or-rear-inner","provider":"PartCatalog","version":"1.0","type":"link"}