{"product_id":"national-s-268-drive-axle-shaft-bearing","title":"National S-268 Drive Axle Shaft Bearing - Front Left or Front Right","description":"\u003ch2\u003eOverview of National S-268 Drive Axle Shaft Bearing\u003c\/h2\u003e\u003cp\u003eThe National S-268 drive axle shaft bearing is engineered for reliable performance in select Ford, Infiniti, Lincoln, Mazda, Mercury, and Nissan vehicles. Designed as a needle bearing, it supports smooth axle rotation and reduces friction in driveline systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNeedle bearing type for precise shaft support\u003c\/li\u003e\n\u003cli\u003eBore diameter of 1.6250 inches (41.275 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 2.0000 inches (50.800 mm)\u003c\/li\u003e\n\u003cli\u003eWidth of 0.5000 inches (12.700 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple models including Ford Explorer, Nissan Armada, and Infiniti QX56\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe S-268 bearing features a bore diameter of 1.6250 inches (41.275 mm), matching the shaft diameter range of 1.6245 to 1.6250 inches (41.2623 to 41.275 mm) for a precise fit. Its outside diameter measures 2.0000 inches (50.800 mm), with housing diameters ranging from 2.0000 to 2.0010 inches (50.8000 to 50.8254 mm), ensuring compatibility with standard axle housings. The 0.5000 inch (12.700 mm) width provides adequate surface area for load distribution, contributing to durability under typical driveline stresses.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis National drive axle shaft bearing is compatible with a range of vehicles, including Ford Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, Ranger, B3000, B4000; Infiniti Armada and QX56; Lincoln Aviator; Mazda B3000 and B4000; Mercury Mountaineer; and Nissan Titan and Pathfinder. The part number S-268 ensures correct identification for these models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the S-268 Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive axle shaft play causing vibration or noise\u003c\/li\u003e\n\u003cli\u003ePremature bearing wear due to improper fit or lubrication\u003c\/li\u003e\n\u003cli\u003eAxle shaft misalignment affecting driveline performance\u003c\/li\u003e\n\u003cli\u003eReduced bearing lifespan from contamination or heat buildup\u003c\/li\u003e\n\u003cli\u003eNoise or rough rotation in the driveline assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the axle shaft and housing dimensions match the specified bore and housing diameters for the S-268 bearing. Clean all mating surfaces thoroughly before installation to prevent contamination. Use appropriate lubrication compatible with needle bearings to reduce friction and wear. Press the bearing evenly into the housing to avoid distortion. Verify proper seating and clearance after installation to maintain driveline integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet industry standards for durability and precision. The S-268 drive axle shaft bearing undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support long-term reliability in compatible Ford, Infiniti, Lincoln, Mazda, Mercury, and Nissan vehicles.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450643939509,"sku":"BCZK-S-268","price":30.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_S268_Fro.jpg?v=1774734869","url":"https:\/\/www.partcatalog.com\/products\/national-s-268-drive-axle-shaft-bearing","provider":"PartCatalog","version":"1.0","type":"link"}