{"product_id":"national-27880-differential-pinion-bearing","title":"National 27880 Differential Pinion Bearing - Rear Inner or Rear Outer","description":"\u003ch2\u003eOverview of National 27880 Differential Pinion Bearing\u003c\/h2\u003e\u003cp\u003eThe National 27880 differential pinion bearing is engineered for precision and durability in driveline applications. Designed specifically for high-performance vehicles such as the Audi R8, Ferrari Testarossa, and Lamborghini Gallardo, this bearing ensures reliable operation under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTaper bearing cone design for optimal load distribution\u003c\/li\u003e\n\u003cli\u003eCone bore diameter of 1.5000 inches (38.1 mm)\u003c\/li\u003e\n\u003cli\u003eCone length of 0.9330 inches (23.698 mm)\u003c\/li\u003e\n\u003cli\u003eCone radius of 0.0310 inches (0.787 mm)\u003c\/li\u003e\n\u003cli\u003ePart number 27880 for accurate identification and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe National 27880 differential pinion bearing features a taper bearing cone that supports the pinion gear within the differential assembly. The cone bore measures precisely 1.5000 inches (38.1 mm), providing a secure fit on the pinion shaft. With a cone length of 0.9330 inches (23.698 mm), the bearing maintains proper alignment and load capacity. The cone radius of 0.0310 inches (0.787 mm) contributes to smooth rotation and reduced wear. These dimensions are critical for maintaining the integrity of the driveline in vehicles such as the Audi R8, Ferrari Testarossa, and Lamborghini Gallardo.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis differential pinion bearing is compatible with select high-performance models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi R8 differential assemblies\u003c\/li\u003e\n\u003cli\u003eFerrari Testarossa driveline components\u003c\/li\u003e\n\u003cli\u003eLamborghini Gallardo pinion gear setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePart number 27880 is essential for technicians and enthusiasts seeking a precise replacement bearing for these specific applications.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 27880 Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive pinion gear play causing drivetrain noise\u003c\/li\u003e\n\u003cli\u003ePremature bearing wear leading to differential failure\u003c\/li\u003e\n\u003cli\u003eVibration and rough operation in the differential assembly\u003c\/li\u003e\n\u003cli\u003eMisalignment of the pinion gear shaft\u003c\/li\u003e\n\u003cli\u003eReduced load capacity affecting vehicle handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National 27880 differential pinion bearing requires careful attention to fitment dimensions. Ensure the cone bore matches the pinion shaft diameter of 1.5000 inches (38.1 mm). Use appropriate tools to press the bearing cone onto the shaft without damaging the bearing surfaces. Verify the cone length and radius to maintain correct bearing preload and alignment. It is recommended to inspect the differential housing and related components for wear before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet stringent quality standards for durability and performance. The 27880 differential pinion bearing undergoes rigorous testing to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for warranty terms related to this part number.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448256626869,"sku":"BCZK-27880","price":39.81,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_27880_Ang_2519f937-6b45-46b5-9010-18abcababaef.jpg?v=1774734575","url":"https:\/\/www.partcatalog.com\/products\/national-27880-differential-pinion-bearing","provider":"PartCatalog","version":"1.0","type":"link"}