{"product_id":"national-lm12749-axle-differential-bearing","title":"National LM12749 Axle Differential Bearing - Rear Right","description":"\u003ch2\u003eOverview of National LM12749 Axle Differential Bearing\u003c\/h2\u003e\u003cp\u003eThe National LM12749 axle differential bearing is engineered for precision and durability in Audi and Volkswagen vehicles. Designed specifically for models like the Golf and TT Quattro, this taper bearing cone ensures reliable driveline performance under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: National\u003c\/li\u003e\n\u003cli\u003ePart Number: LM12749\u003c\/li\u003e\n\u003cli\u003eCategory: Driveline and Axles \u0026gt; Bearings\u003c\/li\u003e\n\u003cli\u003ePart Type: Axle Differential Bearing (Taper Bearing Cone)\u003c\/li\u003e\n\u003cli\u003eCone Bore Diameter: 0.8661 inches (21.9990 mm)\u003c\/li\u003e\n\u003cli\u003eCone Length: 0.6550 inches (16.6370 mm)\u003c\/li\u003e\n\u003cli\u003eCone Radius: 0.0500 inches (1.2700 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with Audi Golf and Volkswagen TT Quattro models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis axle differential bearing cone features a precise cone bore diameter of 0.8661 inches (21.9990 mm), which is critical for proper fitment and smooth rotation within the differential assembly. The cone length measures 0.6550 inches (16.6370 mm), providing the necessary surface area for load distribution. Additionally, the cone radius of 0.0500 inches (1.2700 mm) supports optimal bearing contact and reduces wear over time.\u003c\/p\u003e\u003ch2\u003eApplication and Compatibility\u003c\/h2\u003e\u003cp\u003eThe National LM12749 bearing cone is compatible with select Audi and Volkswagen vehicles, specifically the Audi Golf and Volkswagen TT Quattro models. It is designed to replace worn or damaged axle differential bearings, restoring proper function to the driveline system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAddresses axle differential bearing wear and noise\u003c\/li\u003e\n\u003cli\u003eResolves issues related to uneven bearing surface contact\u003c\/li\u003e\n\u003cli\u003ePrevents premature bearing failure due to improper fitment\u003c\/li\u003e\n\u003cli\u003eImproves driveline smoothness and reduces vibration\u003c\/li\u003e\n\u003cli\u003eSupports proper differential gear alignment and operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National LM12749 axle differential bearing, ensure the bearing cone is clean and free of debris. Proper lubrication of the bearing surfaces is essential to prevent premature wear. Verify the cone bore and length dimensions match the vehicle specifications to guarantee correct fitment. It is recommended to inspect related driveline components during installation for any signs of damage or wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the LM12749 axle differential bearing to meet strict quality standards for durability and performance. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects. This bearing cone is produced to provide consistent fitment and reliable operation in Audi Golf and Volkswagen TT Quattro driveline systems.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450622116021,"sku":"BCZK-LM12749","price":21.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_LM12749_Ang.jpg?v=1774734853","url":"https:\/\/www.partcatalog.com\/products\/national-lm12749-axle-differential-bearing","provider":"PartCatalog","version":"1.0","type":"link"}