{"product_id":"national-a-46-wheel-bearing-and-race-set-rear-inner","title":"National A-46 Wheel Bearing and Race Set - Rear Inner","description":"\u003ch2\u003eNational A-46 Wheel Bearing and Race Set Overview\u003c\/h2\u003e\u003cp\u003eThe National A-46 wheel bearing and race set is engineered for reliable driveline performance in Chevrolet and GMC heavy-duty trucks and vans. Designed specifically for models like the Chevrolet Silverado 3500 and GMC Savana 3500, this taper bearing set ensures precise fitment and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes taper bearing cone (NP706218) and cup (NP910345)\u003c\/li\u003e\n\u003cli\u003eCone bore diameter: 2.2500 inches (57.15 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 0.8640 inches (21.946 mm)\u003c\/li\u003e\n\u003cli\u003eCone radius: 0.2000 inches (5.08 mm)\u003c\/li\u003e\n\u003cli\u003eCup bore diameter: 3.8125 inches (96.838 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.6250 inches (15.875 mm)\u003c\/li\u003e\n\u003cli\u003eCup radius: 0.0300 inches (0.762 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width: 0.6250 inches (15.875 mm)\u003c\/li\u003e\n\u003cli\u003eComponents are sold as a set and not available separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National A-46 wheel bearing and race set is a precision-engineered taper bearing set designed to meet the exact specifications required for Chevrolet and GMC heavy-duty vehicles. The cone and cup components are manufactured to tight tolerances, with a cone bore of 2.2500 inches and a cup bore of 3.8125 inches, ensuring a secure and accurate fit. The cone length of 0.8640 inches and cup length of 0.6250 inches provide the necessary bearing surface for optimal load distribution and longevity. This set is compatible with models including the Chevrolet Express 3500, Silverado 3500 Classic, and GMC Sierra 3500 HD, making it suitable for demanding applications where driveline reliability is critical.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged wheel bearings in Chevrolet Silverado 3500 and GMC Sierra 3500\u003c\/li\u003e\n\u003cli\u003eAddresses wheel hub noise and vibration issues caused by bearing wear\u003c\/li\u003e\n\u003cli\u003eRestores proper wheel alignment and rotation for heavy-duty trucks and vans\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear of axle components by maintaining correct bearing fit\u003c\/li\u003e\n\u003cli\u003eEnsures safe and stable vehicle handling under heavy load conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National A-46 wheel bearing and race set, ensure the bearing surfaces are clean and free of debris. Proper seating of the cone and cup is critical to avoid premature failure. Use appropriate tools to press the bearing components into place without damaging the races. Verify the bearing preload and adjust as necessary according to the vehicle manufacturer’s specifications for Chevrolet and GMC models. Note that the components in this set are not available separately and must be installed as a matched pair.\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 performance. The A-46 set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National products typically conform to OEM quality requirements, offering dependable service life when installed correctly in compatible Chevrolet and GMC vehicles.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52206000242869,"sku":"BCZK-A-46","price":77.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_A46_Ang.jpg?v=1775586687","url":"https:\/\/www.partcatalog.com\/products\/national-a-46-wheel-bearing-and-race-set-rear-inner","provider":"PartCatalog","version":"1.0","type":"link"}