{"product_id":"national-516003-wheel-bearing","title":"National 516003 Wheel Bearing - Rear Inner","description":"\u003ch2\u003eOverview of National 516003 Wheel Bearing for Saab and Subaru\u003c\/h2\u003e\u003cp\u003eThe National 516003 wheel bearing is engineered for reliable driveline performance in select Saab and Subaru vehicles. Designed to meet precise specifications, this wheel bearing supports smooth wheel rotation and helps maintain vehicle stability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Saab 9-2X and Subaru Impreza models\u003c\/li\u003e\n\u003cli\u003eBore diameter of approximately 1.654 inches (42 mm)\u003c\/li\u003e\n\u003cli\u003eCone length of 2.047 inches (52 mm) and cup length of 1.89 inches (48 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 2.835 inches (72 mm)\u003c\/li\u003e\n\u003cli\u003eOuter race width of 1.89 inches (48 mm) for proper fitment\u003c\/li\u003e\n\u003cli\u003eGen1 design for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe National 516003 wheel bearing features a bore size of 1.6535 to 1.654 inches (42 mm), ensuring a precise fit on the axle shaft. The cone length is 2.0472 inches (52 mm), while the cup length is 1.8898 inches (48 mm), providing the correct axial spacing for the bearing assembly. The outside diameter is 2.8346 to 2.835 inches (72 mm), and the outer race width is 1.89 inches (48 mm), matching OEM dimensions for the Saab 9-2X and Subaru Impreza. This Gen1 design bearing is part of the 516000 series, built to maintain wheel alignment and reduce friction under normal driving conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis wheel bearing is specifically compatible with the Saab 9-2X and Subaru Impreza, making it suitable for owners seeking replacement parts that meet factory specifications. It addresses common driveline issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive wheel play or looseness\u003c\/li\u003e\n\u003cli\u003eUnusual noise or grinding from the wheel area\u003c\/li\u003e\n\u003cli\u003eVibration or wobbling during vehicle operation\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by bearing failure\u003c\/li\u003e\n\u003cli\u003eReduced steering responsiveness linked to bearing wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National 516003 wheel bearing requires attention to detail to ensure optimal performance. It is recommended to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClean the hub and spindle thoroughly before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to press the bearing without causing damage\u003c\/li\u003e\n\u003cli\u003eVerify the bearing orientation matches OEM specifications\u003c\/li\u003e\n\u003cli\u003eCheck for proper torque on retaining components\u003c\/li\u003e\n\u003cli\u003eInspect related seals and replace if necessary to prevent contamination\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational wheel bearings are manufactured to meet industry standards for durability and precision. The 516003 part number undergoes rigorous quality control to ensure consistent fit and function. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability for Saab 9-2X and Subaru Impreza applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448328880309,"sku":"BCZK-516003","price":90.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_516003_Ang.jpg?v=1774734707","url":"https:\/\/www.partcatalog.com\/products\/national-516003-wheel-bearing","provider":"PartCatalog","version":"1.0","type":"link"}