{"product_id":"national-hk-4012-drive-axle-shaft-bearing","title":"National HK-4012 Drive Axle Shaft Bearing - Front, Front Inner or Front Left","description":"\u003ch2\u003eOverview of National HK-4012 Drive Axle Shaft Bearing\u003c\/h2\u003e\u003cp\u003eThe National HK-4012 drive axle shaft bearing is engineered for reliable performance in a range of vehicles including Chevrolet Trailblazer, GMC Envoy, and Ford F-150 models. This needle bearing is designed to support axle shafts with precise dimensions, ensuring smooth driveline operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNeedle bearing type for efficient load distribution\u003c\/li\u003e\n\u003cli\u003eBore diameter of 1.5748 inches (40 mm) for accurate shaft fitment\u003c\/li\u003e\n\u003cli\u003eHousing diameter between 1.8504 and 1.8514 inches (47 mm) for secure installation\u003c\/li\u003e\n\u003cli\u003eWidth of 0.4724 inches (12 mm) suitable for various axle assemblies\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple makes and models including Buick, Chevrolet, Ford, GMC, Hummer, Isuzu, Lincoln, Oldsmobile, and Saab\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe HK-4012 bearing features a bore diameter of 1.5748 inches (40 mm) and an outside diameter of approximately 1.8504 inches (47 mm), providing a precise fit for drive axle shafts with diameters ranging from 1.5743 to 1.5748 inches (39.9872 to 40 mm). Its 0.4724 inch (12 mm) width allows it to accommodate axial loads while maintaining compact dimensions. The needle bearing design reduces friction and wear, contributing to the longevity of the driveline components in vehicles such as the Chevrolet Colorado, GMC Canyon, and Ford Expedition.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis National drive axle shaft bearing HK-4012 is compatible with a variety of vehicles, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Trailblazer, Colorado, and Astro\u003c\/li\u003e\n\u003cli\u003eGMC Envoy, Canyon, and Safari\u003c\/li\u003e\n\u003cli\u003eFord F-150, F-250, and Expedition\u003c\/li\u003e\n\u003cli\u003eBuick Rainier and Oldsmobile models\u003c\/li\u003e\n\u003cli\u003eHummer H3 and H3T\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace worn or damaged axle shaft bearings, ensuring proper driveline function and reducing noise and vibration.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by HK-4012 Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive axle shaft play or looseness\u003c\/li\u003e\n\u003cli\u003eUnusual noises from the driveline during acceleration or turning\u003c\/li\u003e\n\u003cli\u003ePremature wear of axle components due to bearing failure\u003c\/li\u003e\n\u003cli\u003eVibration or roughness in the axle assembly\u003c\/li\u003e\n\u003cli\u003eReduced driveline efficiency and increased friction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National HK-4012 bearing, ensure the bore and housing diameters match the specified dimensions for a secure fit. Proper lubrication is essential to maintain bearing performance and longevity. It is recommended to inspect the axle shaft and housing for wear or damage before installation. Use appropriate tools to avoid bearing damage during press-fit installation.\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 HK-4012 drive axle shaft 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":43450614218933,"sku":"BCZK-HK-4012","price":29.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_HK4012_Fro_6d852fdb-3b63-414a-a800-074cb6efacf5.jpg?v=1774890852","url":"https:\/\/www.partcatalog.com\/products\/national-hk-4012-drive-axle-shaft-bearing","provider":"PartCatalog","version":"1.0","type":"link"}