{"product_id":"national-a-4-wheel-bearing-and-race-set","title":"National A-4 Wheel Bearing and Race Set","description":"\u003ch2\u003eNational A-4 Wheel Bearing and Race Set Overview\u003c\/h2\u003e\u003cp\u003eThe National A-4 wheel bearing and race set is engineered for reliable driveline performance across a wide range of vehicles including Bentley, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, Hyundai, Jaguar, Mazda, Nissan, Toyota, Volkswagen, and Volvo models. This taper bearing set is designed to meet precise fitment specifications for optimal wheel hub operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes taper bearing cone (L44649) and cup (L44610)\u003c\/li\u003e\n\u003cli\u003eCone bore diameter: 1.0625 inches (26.988 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 0.5800 inches (14.732 mm)\u003c\/li\u003e\n\u003cli\u003eCone radius: 0.1400 inches (3.556 mm)\u003c\/li\u003e\n\u003cli\u003eCup bore diameter: 1.9800 inches (50.292 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.4200 inches (10.668 mm)\u003c\/li\u003e\n\u003cli\u003eCup radius: 0.0460 inches (1.168 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width: 0.5600 inches (14.224 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThe National A-4 wheel bearing and race set features a taper bearing design, which includes a cone and cup precisely machined to ensure proper fit and function. The cone bore measures 1.0625 inches (26.988 mm) with a length of 0.5800 inches (14.732 mm), while the cup bore is 1.9800 inches (50.292 mm) with a length of 0.4200 inches (10.668 mm). The standout dimension of 0.1400 inches (3.556 mm) ensures correct bearing positioning within the hub assembly.\u003c\/p\u003e\u003cp\u003eThis part is compatible with numerous vehicle makes and models, including the Saab 9-3 and 9-5, Volvo 240, 740, 760, and 900 series, Ford Mustang, Chevrolet Cavalier, Toyota Corolla, Volkswagen Beetle, and luxury brands such as Rolls-Royce and Bentley. The part number A-4 is essential for identifying this specific bearing set when servicing or replacing wheel bearings on these vehicles.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged wheel bearings to restore smooth wheel rotation\u003c\/li\u003e\n\u003cli\u003eEliminates wheel noise caused by bearing wear or failure\u003c\/li\u003e\n\u003cli\u003ePrevents wheel hub vibration and uneven tire wear\u003c\/li\u003e\n\u003cli\u003eAddresses wheel play and improves vehicle handling stability\u003c\/li\u003e\n\u003cli\u003eEnsures proper load distribution within the wheel assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National A-4 wheel bearing and race set requires careful cleaning of the hub and spindle surfaces. Use appropriate tools to press the cone and cup into place without damaging the bearing surfaces. Verify the bearing preload and adjust as necessary according to the vehicle manufacturer’s specifications. Lubricate the bearing with high-quality wheel bearing grease before assembly to ensure long service life.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel bearing and race sets are manufactured to meet industry standards for durability and precision. The A-4 part number undergoes rigorous quality control to ensure consistent dimensions and performance. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product’s reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448394776757,"sku":"BCZK-A-4","price":18.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_A4_Ang.jpg?v=1774734825","url":"https:\/\/www.partcatalog.com\/products\/national-a-4-wheel-bearing-and-race-set","provider":"PartCatalog","version":"1.0","type":"link"}