{"product_id":"national-470950-wheel-seal-rear-inner","title":"National 470950 Wheel Seal - Rear Inner","description":"\u003ch2\u003eNational 470950 Wheel Seal Overview\u003c\/h2\u003e\u003cp\u003eThe National 470950 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed with precision, this oil seal features nitrile material construction and a redicoat finish to enhance durability and resistance to wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.375 inches (34.930 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.441 inches (62.000 mm)\u003c\/li\u003e\n\u003cli\u003eHousing bore: 2.437 inches (61.900 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.375 inches (9.530 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Nitrile with redicoat coating\u003c\/li\u003e\n\u003cli\u003eSeries: 470000, Type 47 oil seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 470950 wheel seal is part of the 470000 series, designed specifically for axle and driveline sealing applications. Constructed from nitrile, this seal offers excellent resistance to oil, grease, and other automotive fluids, ensuring long-lasting performance. The redicoat finish provides an additional protective layer that helps reduce friction and wear during operation. With precise dimensions including a 1.375-inch shaft diameter and a 2.441-inch outside diameter, this seal fits securely within the housing bore of 2.437 inches, maintaining a tight seal to prevent fluid leakage and contamination.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks in axle assemblies\u003c\/li\u003e\n\u003cli\u003eProtects driveline components from dirt and debris\u003c\/li\u003e\n\u003cli\u003eReduces wear on shafts by maintaining lubrication\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper fluid levels in wheel hubs\u003c\/li\u003e\n\u003cli\u003eMinimizes risk of seal failure due to heat and friction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 470950 wheel seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without damaging the sealing lip or coating. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel seals are manufactured to meet industry standards for durability and performance. The 470950 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National products typically adhere to OEM specifications for reliable service life in automotive driveline applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52163238559925,"sku":"BCZK-470950","price":13.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_470950_Fro.jpg?v=1775590331","url":"https:\/\/www.partcatalog.com\/products\/national-470950-wheel-seal-rear-inner","provider":"PartCatalog","version":"1.0","type":"link"}