{"product_id":"national-hm88648-differential-pinion-bearing","title":"National HM88648 Differential Pinion Bearing - Front Inner or Rear Inner","description":"\u003ch2\u003eOverview of National HM88648 Differential Pinion Bearing\u003c\/h2\u003e\u003cp\u003eThe National HM88648 differential pinion bearing is engineered for reliable driveline performance in select Dodge, Ford, Jeep, Lincoln, Mazda, and Mercury vehicles. Designed as a taper bearing cone, this part ensures precise fitment and durability for models like the Jeep Cherokee, Ford Explorer, and Dodge Dakota.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with multiple makes including Dodge, Ford, Jeep, Lincoln, Mazda, and Mercury\u003c\/li\u003e\n\u003cli\u003eFits models such as Cherokee, Explorer, Mustang, Grand Cherokee, and Wrangler\u003c\/li\u003e\n\u003cli\u003ePart number HM88648 for accurate identification\u003c\/li\u003e\n\u003cli\u003eCone bore diameter of 1.4062 inches (35.717 mm)\u003c\/li\u003e\n\u003cli\u003eCone length of 1.0000 inch (25.400 mm) with a cone radius of 0.1400 inch (3.556 mm)\u003c\/li\u003e\n\u003cli\u003eDesigned as a taper bearing cone for differential pinion applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe HM88648 differential pinion bearing features a cone bore measuring 1.4062 inches (35.717 mm), providing a precise fit for the pinion shaft. Its cone length of 1.0000 inch (25.400 mm) and cone radius of 0.1400 inch (3.556 mm) are engineered to maintain optimal alignment and load distribution within the differential assembly. This taper bearing cone design supports smooth rotation and reduces wear under varying driving conditions, making it suitable for vehicles such as the Ford Explorer Sport Trac and Jeep Wrangler.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged differential pinion bearings in compatible Dodge, Ford, Jeep, Lincoln, Mazda, and Mercury models\u003c\/li\u003e\n\u003cli\u003eAddresses issues like excessive differential noise or vibration\u003c\/li\u003e\n\u003cli\u003eHelps correct pinion shaft misalignment and bearing wear\u003c\/li\u003e\n\u003cli\u003ePrevents premature differential component failure due to bearing degradation\u003c\/li\u003e\n\u003cli\u003eSupports restoration of smooth driveline operation in models like the Lincoln Aviator and Mercury Mountaineer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National HM88648 bearing requires careful measurement of the cone bore and length to ensure compatibility with the vehicle’s differential pinion shaft. It is recommended to inspect the differential housing and related components for wear or damage before installation. Use appropriate tools to press the bearing cone into place without causing damage. Follow manufacturer torque specifications and alignment procedures for the best results.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet industry standards for durability and performance. The HM88648 differential pinion bearing undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product’s reliability for vehicles such as the Jeep Grand Cherokee and Ford Mustang.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450614448309,"sku":"BCZK-HM88648","price":31.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_HM88648_Ang_9cc0534f-251e-4550-b688-95c1d12c45ee.jpg?v=1774734844","url":"https:\/\/www.partcatalog.com\/products\/national-hm88648-differential-pinion-bearing","provider":"PartCatalog","version":"1.0","type":"link"}