{"product_id":"national-394a-wheel-bearing-race-rear-or-rear-inner","title":"National 394A Wheel Bearing Race - Rear or Rear Inner","description":"\u003ch2\u003eNational 394A Wheel Bearing Race Overview\u003c\/h2\u003e\u003cp\u003eThe National 394A wheel bearing race is engineered for reliable performance in heavy-duty Chevrolet and GMC vehicles. Designed specifically for models like the C3500, P30, P3500, V30, and V3500, this taper bearing cup ensures precise fitment and durability in driveline and axle assemblies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCup bore diameter: 4.3307 inches (110.00 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.7411 inches (18.824 mm)\u003c\/li\u003e\n\u003cli\u003eCup radius: 0.0460 inches (1.168 mm)\u003c\/li\u003e\n\u003cli\u003ePart type: Taper bearing cup\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC heavy-duty truck models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 394A wheel bearing race is a critical component in the driveline and axle system, designed to house the bearing securely and maintain proper alignment. With a cup bore diameter of 4.3307 inches (110 mm) and a cup length of 0.7411 inches (18.824 mm), this taper bearing cup provides a precise fit for the wheel bearings used in Chevrolet C3500, P30, P3500, V30, and V3500 models. The cup radius of 0.0460 inches (1.168 mm) ensures smooth rotation and reduces wear on the bearing surfaces, contributing to the longevity of the axle assembly.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged wheel bearing races in Chevrolet and GMC heavy-duty trucks\u003c\/li\u003e\n\u003cli\u003eAddresses wheel bearing noise caused by improper fit or wear\u003c\/li\u003e\n\u003cli\u003ePrevents premature bearing failure due to misalignment or surface damage\u003c\/li\u003e\n\u003cli\u003eRestores proper driveline function and vehicle stability\u003c\/li\u003e\n\u003cli\u003eSupports safe and efficient wheel rotation under heavy load conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the wheel hub and spindle surfaces are clean and free of debris before installing the National 394A wheel bearing race. Use appropriate tools to press the taper bearing cup evenly into the hub bore to avoid damage. Verify the cup bore dimensions match the vehicle specifications for Chevrolet C3500, P30, P3500, V30, and V3500 models to ensure proper fitment. Follow manufacturer torque specifications when reassembling the wheel bearing components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNational manufactures the 394A wheel bearing race to meet OEM standards for durability and precision. This part undergoes strict quality control to ensure consistent dimensions and material integrity. While no specific warranty information is provided, National parts are known for their adherence to industry standards, supporting reliable performance in heavy-duty applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":51869013115061,"sku":"BCZK-394A","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_394A_Fro.jpg?v=1774734492","url":"https:\/\/www.partcatalog.com\/products\/national-394a-wheel-bearing-race-rear-or-rear-inner","provider":"PartCatalog","version":"1.0","type":"link"}