{"product_id":"national-a-3-wheel-bearing-and-race-set","title":"National A-3 Wheel Bearing and Race Set - Front Outer, Inner or Left","description":"\u003ch2\u003eNational A-3 Wheel Bearing and Race Set Overview\u003c\/h2\u003e\u003cp\u003eThe National A-3 wheel bearing and race set is engineered for reliable driveline performance across a wide range of vehicles including Buick, Chevrolet, Ford, and Toyota models. Designed as a taper bearing set, this component ensures precise fitment and durability for your wheel hub assembly needs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes taper bearing cone (M12649) and cup (M12610)\u003c\/li\u003e\n\u003cli\u003eCone bore diameter: 0.8437 inches (21.43 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 0.72 inches (18.29 mm)\u003c\/li\u003e\n\u003cli\u003eCup bore diameter: 1.9687 inches (50.01 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.55 inches (13.97 mm)\u003c\/li\u003e\n\u003cli\u003eStandout dimension: 0.014 inches (0.356 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.69 inches (17.53 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThe National A-3 wheel bearing and race set features a taper bearing design with a cone radius of 0.046 inches (1.168 mm) and a matching cup radius, ensuring smooth rotation and load distribution. The cone bore and cup bore dimensions are engineered to meet OEM standards, providing a precise fit for wheel hubs on vehicles such as the Chevrolet Silverado, Ford F-150, Toyota Tacoma, and Cadillac DeVille. This part number A-3 is compatible with a broad range of makes and models, including classic and modern vehicles from Buick, Dodge, GMC, Isuzu, Lincoln, Mercedes-Benz, Mitsubishi, Nissan, Oldsmobile, Pontiac, Porsche, Rover, Saab, and more.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis wheel bearing and race set is used primarily in the driveline and axle assembly to support wheel rotation and maintain proper alignment. It addresses common issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWheel hub noise caused by worn or damaged bearings\u003c\/li\u003e\n\u003cli\u003eExcessive wheel play or looseness\u003c\/li\u003e\n\u003cli\u003eUneven tire wear due to bearing failure\u003c\/li\u003e\n\u003cli\u003eVibration or roughness during vehicle operation\u003c\/li\u003e\n\u003cli\u003ePreventing premature axle or hub damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National A-3 wheel bearing and race set, ensure the bearing surfaces are clean and free of debris. Proper lubrication of the bearing cone and cup is essential to prevent premature wear. Use the standout measurement of 0.014 inches (0.356 mm) as a reference for correct bearing preload during assembly. It is recommended to inspect the hub and spindle for damage before installation and to torque all fasteners to manufacturer specifications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel bearing and race sets are manufactured to meet strict quality standards for durability and performance. The A-3 part number undergoes rigorous testing to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against defects in materials and workmanship, providing confidence in the longevity of this wheel bearing and race set.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448394645685,"sku":"BCZK-A-3","price":20.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_A3_Ang_df587ced-1601-4bc2-b5d1-3476f0a086dc.jpg?v=1774734825","url":"https:\/\/www.partcatalog.com\/products\/national-a-3-wheel-bearing-and-race-set","provider":"PartCatalog","version":"1.0","type":"link"}