{"product_id":"national-r-1581-tv-differential-pinion-pilot-bearing","title":"National R-1581-TV Differential Pinion Pilot Bearing - Rear","description":"\u003ch2\u003eNational R-1581-TV Differential Pinion Pilot Bearing Overview\u003c\/h2\u003e\u003cp\u003eThe National R-1581-TV is a cylindrical outer race designed specifically as a differential pinion pilot bearing. Engineered for durability and precise fitment, this bearing is compatible with a range of heavy-duty vehicles from Cadillac, Chevrolet, and GMC, including models like the Silverado 2500 HD, Suburban 2500, and Yukon XL 2500.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCylindrical outer race design for reliable performance\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.0472 inches (51.999 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.765 inches (19.431 mm)\u003c\/li\u003e\n\u003cli\u003eType: NS (needle bearing style)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM heavy-duty trucks and SUVs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Attributes\u003c\/h2\u003e\u003cp\u003eThe R-1581-TV features a precise cylindrical outer race that ensures proper alignment and smooth operation within the differential assembly. With an outside diameter of 2.0472 inches (51.999 mm) and a width of 0.765 inches (19.431 mm), this bearing meets OEM specifications for fit and function. The NS type indicates a needle bearing configuration, which supports high load capacity and reduces friction in the pinion shaft area.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis differential pinion pilot bearing is compatible with a wide range of GM vehicles, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 and 2500 HD models\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 and 2500 HD Classic\u003c\/li\u003e\n\u003cli\u003eGMC Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille\u003c\/li\u003e\n\u003cli\u003eChevrolet Avalanche 2500\u003c\/li\u003e\n\u003cli\u003eVarious commercial chassis and heavy-duty trucks such as C20, K20, P30, and Express 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by the R-1581-TV Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates pinion shaft misalignment and excessive play\u003c\/li\u003e\n\u003cli\u003eReduces differential noise caused by worn pilot bearings\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear of differential components\u003c\/li\u003e\n\u003cli\u003eImproves drivetrain smoothness and reliability\u003c\/li\u003e\n\u003cli\u003eSupports heavy load conditions in commercial and heavy-duty vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National R-1581-TV bearing is critical for optimal performance. Ensure the bearing is pressed evenly into the differential housing to avoid damage. Clean all mating surfaces before installation and verify the bearing dimensions match the vehicle specifications. Use appropriate tools to avoid distortion or misalignment during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet strict quality standards, ensuring durability and consistent performance. The R-1581-TV is produced with high-grade materials and precision engineering. 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":43450637844661,"sku":"BCZK-R-1581-TV","price":42.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_R1581TV_Fro_74401165-2632-4ba1-82ae-f1f0168b8b96.jpg?v=1774734864","url":"https:\/\/www.partcatalog.com\/products\/national-r-1581-tv-differential-pinion-pilot-bearing","provider":"PartCatalog","version":"1.0","type":"link"}