{"product_id":"national-hm803146-differential-pinion-bearing","title":"National HM803146 Differential Pinion Bearing - Front Inner, Rear Inner or Rear Outer","description":"\u003ch2\u003eNational HM803146 Differential Pinion Bearing Overview\u003c\/h2\u003e\u003cp\u003eThe National HM803146 differential pinion bearing is engineered to provide reliable support and smooth operation for the differential pinion shaft. Designed with precise dimensions, this taper bearing cone is compatible with a wide range of vehicles including Ford F-250, Chevrolet Silverado 1500, and Jeep Grand Cherokee models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCone bore diameter: 1.6250 inches (41.2750 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 1.1563 inches (29.3700 mm)\u003c\/li\u003e\n\u003cli\u003eCone radius: 0.1400 inches (3.5560 mm)\u003c\/li\u003e\n\u003cli\u003ePart type: Taper bearing cone for differential pinion\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple makes and models including Acura, Dodge, Nissan, and Mercedes-Benz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThe HM803146 bearing cone features a cone bore of 1.6250 inches (41.2750 mm), ensuring a precise fit on the pinion shaft. Its cone length of 1.1563 inches (29.3700 mm) and cone radius of 0.1400 inches (3.5560 mm) are designed to maintain optimal bearing contact and load distribution within the differential assembly. This part is suitable for driveline and axle applications requiring a differential pinion bearing, particularly in vehicles such as the Ford F-350 Super Duty, Chevrolet Blazer, and Nissan Armada.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis National differential pinion bearing is used to support the pinion gear in the differential, reducing friction and wear while maintaining alignment. It addresses common driveline issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive differential noise due to worn bearings\u003c\/li\u003e\n\u003cli\u003ePinion shaft play causing gear misalignment\u003c\/li\u003e\n\u003cli\u003ePremature bearing failure from improper fit or wear\u003c\/li\u003e\n\u003cli\u003eVibration and rough operation in the differential assembly\u003c\/li\u003e\n\u003cli\u003eUneven load distribution leading to axle damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the HM803146 differential pinion bearing, ensure the bearing cone bore matches the pinion shaft diameter precisely. Proper lubrication and torque specifications should be followed to avoid premature wear. It is recommended to inspect the differential housing and related components for wear or damage before installation. Using the correct tools to press the bearing cone into place will help maintain its integrity and performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet industry standards for durability and precision. The HM803146 differential pinion bearing 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":43450616119477,"sku":"BCZK-HM803146","price":53.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_HM803146_Ang.jpg?v=1774734847","url":"https:\/\/www.partcatalog.com\/products\/national-hm803146-differential-pinion-bearing","provider":"PartCatalog","version":"1.0","type":"link"}