{"product_id":"national-12520-wheel-bearing-race","title":"National 12520 Wheel Bearing Race - Front Outer","description":"\u003ch2\u003eNational 12520 Wheel Bearing Race Overview\u003c\/h2\u003e\u003cp\u003eThe National 12520 wheel bearing race is a precision-engineered taper bearing cup designed for driveline and axle applications. With exact dimensions including a cup bore of 1.9380 inches (49.225 mm) and a cup length of 0.6250 inches (15.875 mm), this component ensures proper fit and function in compatible vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: National\u003c\/li\u003e\n\u003cli\u003ePart Number: 12520\u003c\/li\u003e\n\u003cli\u003eCategory: Wheel Bearing Race (Taper Bearing Cup)\u003c\/li\u003e\n\u003cli\u003eCup Bore: 1.9380 inches (49.225 mm)\u003c\/li\u003e\n\u003cli\u003eCup Length: 0.6250 inches (15.875 mm)\u003c\/li\u003e\n\u003cli\u003eCup Radius: 0.0620 inches (1.575 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThe National 12520 taper bearing cup is manufactured to meet strict dimensional tolerances, ensuring compatibility with specific wheel bearing assemblies. The cup bore diameter of 1.9380 inches allows for a secure fit with the corresponding cone bearing, while the cup length of 0.6250 inches provides adequate surface area for load distribution. The cup radius of 0.0620 inches helps maintain proper seating and reduces stress concentrations during operation.\u003c\/p\u003e\u003ch2\u003eApplications and Vehicle Compatibility\u003c\/h2\u003e\u003cp\u003eThis wheel bearing race is commonly used in driveline and axle assemblies for various vehicle makes and models requiring a taper bearing cup with these precise dimensions. While specific fitment depends on the vehicle’s axle and bearing configuration, the National 12520 is compatible with many domestic and import vehicles that specify a 1.9380 inch cup bore and 0.6250 inch cup length. It is important to verify fitment with your vehicle’s service manual or parts catalog before installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged taper bearing cups\u003c\/li\u003e\n\u003cli\u003eAddresses wheel bearing noise and roughness\u003c\/li\u003e\n\u003cli\u003ePrevents premature bearing failure due to improper seating\u003c\/li\u003e\n\u003cli\u003eRestores proper axle end play and bearing preload\u003c\/li\u003e\n\u003cli\u003eEliminates vibration and uneven tire wear caused by bearing issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National 12520 wheel bearing race requires the use of appropriate tools such as a bearing race driver or press to avoid damage. Clean the axle housing bore thoroughly before installation to ensure a secure fit. Verify that the race is fully seated and flush with the housing surface. Lubricate the bearing surfaces as recommended by the vehicle manufacturer. Always consult the vehicle’s service manual for torque specifications and installation procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 12520 wheel bearing race to meet industry standards for durability and performance. Each part undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers limited warranties against defects in material and workmanship. Refer to the product documentation or contact the manufacturer for warranty terms applicable to this part.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448251318453,"sku":"BCZK-12520","price":24.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_12520_Ang_d94cabb7-fca5-4ee0-9741-e8bac2f92a61.jpg?v=1774734566","url":"https:\/\/www.partcatalog.com\/products\/national-12520-wheel-bearing-race","provider":"PartCatalog","version":"1.0","type":"link"}