{"product_id":"national-a-1-wheel-bearing-and-race-set","title":"National A-1 Wheel Bearing and Race Set - Front Outer, Inner or Rear Outer","description":"\u003ch2\u003eNational A-1 Wheel Bearing and Race Set Overview\u003c\/h2\u003e\u003cp\u003eThe National A-1 wheel bearing and race set is engineered for precision and durability, designed to meet the demanding requirements of various vehicle makes and models including Audi 190E, BMW 320i, and Ford Mustang. This taper bearing set ensures reliable driveline performance and smooth wheel rotation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes taper bearing cone (LM11749) and cup (LM11710)\u003c\/li\u003e\n\u003cli\u003eCone bore diameter: 0.6875 inch (17.463 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 0.5750 inch (14.605 mm)\u003c\/li\u003e\n\u003cli\u003eCup bore diameter: 1.5700 inch (39.878 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.4200 inch (10.668 mm)\u003c\/li\u003e\n\u003cli\u003eStandout dimension: 0.0125 inch (0.318 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.5450 inch (13.843 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThe National A-1 wheel bearing and race set features a taper bearing design with precise dimensions to ensure proper fit and function. The cone bore measures 0.6875 inches (17.463 mm) with a length of 0.5750 inches (14.605 mm), while the cup bore is 1.5700 inches (39.878 mm) with a length of 0.4200 inches (10.668 mm). Both cone and cup have a radius of 0.0460 inches (1.168 mm), contributing to smooth bearing operation. This set is compatible with a wide range of vehicles including Audi 190E, BMW 320i, Chevrolet Camaro, Ford Mustang, Toyota Corolla, Volkswagen Golf, and many others.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis wheel bearing and race set is used in the driveline and axle assembly to support wheel rotation and maintain alignment. It addresses common issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWheel bearing noise and roughness\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 wobbling during driving\u003c\/li\u003e\n\u003cli\u003ePreventing premature wear of axle components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National A-1 wheel bearing and race set is critical for optimal performance. Ensure the bearing surfaces are clean and free of debris before installation. Use appropriate tools to press the cone and cup into place without damaging the bearing surfaces. Verify the standout dimension of 0.0125 inch (0.318 mm) to maintain correct preload and avoid over-tightening. Refer to vehicle-specific service manuals for torque specifications and installation procedures.\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-1 part number undergoes rigorous quality control to ensure consistent 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":43448394416309,"sku":"BCZK-A-1","price":14.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_A1_Ang.jpg?v=1774734824","url":"https:\/\/www.partcatalog.com\/products\/national-a-1-wheel-bearing-and-race-set","provider":"PartCatalog","version":"1.0","type":"link"}