{"product_id":"national-kc-11445-y-axle-differential-bearing","title":"National KC-11445-Y Axle Differential Bearing - Front or Rear","description":"\u003ch2\u003eNational KC-11445-Y Axle Differential Bearing Overview\u003c\/h2\u003e\u003cp\u003eThe National KC-11445-Y axle differential bearing is engineered for reliable driveline performance in a variety of vehicles including Toyota 4Runner, Chevrolet Corvette, and Nissan Pathfinder. This taper bearing set is designed to meet precise specifications for cone and cup dimensions, ensuring proper fit and function in compatible axle assemblies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTaper bearing set with cone bore diameter of 1.6626 inches (42.23 mm)\u003c\/li\u003e\n\u003cli\u003eCone length measures 0.8125 inches (20.638 mm) with a radius of 0.0787 inches (2.0 mm)\u003c\/li\u003e\n\u003cli\u003eCup bore diameter of 3.1490 inches (79.985 mm) and cup length of 0.5937 inches (15.08 mm)\u003c\/li\u003e\n\u003cli\u003eStandout dimension of 0.1875 inches (4.762 mm) for accurate bearing positioning\u003c\/li\u003e\n\u003cli\u003eWidth of 0.7812 inches (19.842 mm) for proper axle differential fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe National KC-11445-Y axle differential bearing set includes both the taper bearing cone (part number 17887) and cup (part number 17831), which are not available separately. This bearing set is designed to provide smooth rotation and support for the axle differential, reducing friction and wear. The precise cone bore and cup bore dimensions ensure compatibility with axle assemblies on a range of vehicles such as the Toyota Land Cruiser, Chevrolet Bel Air, and Nissan D21. The standout and width measurements contribute to proper bearing preload and alignment within the differential housing.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis axle differential bearing set is compatible with multiple makes and models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eToyota 4Runner, Land Cruiser, Corolla, Supra\u003c\/li\u003e\n\u003cli\u003eChevrolet Corvette, Bel Air, Skylark\u003c\/li\u003e\n\u003cli\u003eNissan Pathfinder, D21, QX4\u003c\/li\u003e\n\u003cli\u003eBuick Century, Roadmaster\u003c\/li\u003e\n\u003cli\u003eGMC Pickup, Power Ram 50\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by KC-11445-Y Bearing Set\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive axle noise due to worn or damaged differential bearings\u003c\/li\u003e\n\u003cli\u003eUneven or rough rotation of the axle differential\u003c\/li\u003e\n\u003cli\u003eIncreased friction causing premature wear of driveline components\u003c\/li\u003e\n\u003cli\u003eAxle play or looseness affecting vehicle handling and safety\u003c\/li\u003e\n\u003cli\u003eFailure of axle differential bearing leading to drivetrain damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure proper cleaning and inspection of axle housing before installation\u003c\/li\u003e\n\u003cli\u003eUse correct tools to press the taper bearing cone and cup into place\u003c\/li\u003e\n\u003cli\u003eVerify bearing preload and adjust as necessary according to vehicle service manual\u003c\/li\u003e\n\u003cli\u003eDo not attempt to separate cone and cup components as they are sold as a set\u003c\/li\u003e\n\u003cli\u003eConsult vehicle-specific repair guides for torque specifications and alignment procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational axle differential bearings are manufactured to meet industry standards for durability and performance. The KC-11445-Y bearing set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects. Refer to the product documentation or manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450621624501,"sku":"BCZK-KC-11445-Y","price":78.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_KC11445Y_Ang.jpg?v=1774734852","url":"https:\/\/www.partcatalog.com\/products\/national-kc-11445-y-axle-differential-bearing","provider":"PartCatalog","version":"1.0","type":"link"}