{"product_id":"national-a-38-wheel-bearing-and-race-set","title":"National A-38 Wheel Bearing and Race Set","description":"\u003ch2\u003eNational A-38 Wheel Bearing and Race Set Overview\u003c\/h2\u003e\u003cp\u003eThe National A-38 wheel bearing and race set is designed for reliable driveline performance in a variety of heavy-duty vehicles. Engineered to meet the specifications required by models such as Chevrolet Silverado 2500, Ford F-350 Super Duty, and Ram 3500, this taper bearing set ensures proper fit and function for demanding applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes taper bearing cone (LM104949) and cup (LM104911)\u003c\/li\u003e\n\u003cli\u003eCone bore diameter: 2.0000 inches (50.8 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 0.8750 inches (25.908 mm)\u003c\/li\u003e\n\u003cli\u003eCup bore diameter: 3.2500 inches (82.55 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.6500 inches (16.51 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.8500 inches (21.59 mm)\u003c\/li\u003e\n\u003cli\u003eStandout dimension: 0.0200 inches (0.508 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThe National A-38 bearing set features precise dimensions critical for maintaining wheel hub integrity and driveline efficiency. The cone bore of 2 inches and cup bore of 3.25 inches accommodate specific axle assemblies found in vehicles like the GMC Sierra 3500 and Dodge Ram 2500. The taper bearing cone and cup are manufactured to exact tolerances, ensuring smooth rotation and reduced wear under heavy loads.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis wheel bearing and race set is suitable for use in a range of trucks and SUVs, including the Ford Bronco, Chevrolet C2500 Suburban, and Ram 3500 Van. It addresses common issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive wheel play or looseness\u003c\/li\u003e\n\u003cli\u003eNoise or roughness during wheel rotation\u003c\/li\u003e\n\u003cli\u003ePremature bearing wear due to improper fit\u003c\/li\u003e\n\u003cli\u003eVibration or wobbling at higher speeds\u003c\/li\u003e\n\u003cli\u003eSeal leakage leading to contamination\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National A-38 bearing set requires careful cleaning of the hub and axle surfaces. Use appropriate tools to press the cone and cup into place without damaging the bearing surfaces. Ensure correct preload adjustment to avoid bearing overheating or premature failure. It is recommended to inspect related seals and replace them if worn during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel bearing sets are manufactured to meet industry standards for durability and performance. The A-38 part number is backed by quality control processes to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support professional repair and maintenance needs.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448399429813,"sku":"BCZK-A-38","price":34.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_A38_Ang.jpg?v=1774734831","url":"https:\/\/www.partcatalog.com\/products\/national-a-38-wheel-bearing-and-race-set","provider":"PartCatalog","version":"1.0","type":"link"}