{"product_id":"timken-sp550218-wheel-bearing-and-hub-assembly","title":"Timken SP550218 Wheel Bearing and Hub Assembly - Rear","description":"\u003ch2\u003eTimken Wheel Bearing and Hub Assembly Overview\u003c\/h2\u003e\u003cp\u003eThe Timken SP550218 wheel bearing and hub assembly is engineered for reliable driveline performance in Ford Expedition and Lincoln Navigator vehicles. Designed to meet precise specifications, this assembly ensures proper fitment and durability for your SUV's driven axle system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e33 spline quantity for secure axle engagement\u003c\/li\u003e\n\u003cli\u003e4 flange bolt holes with a 135.21 mm (5.323 inch) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003e6 wheel studs for stable wheel mounting\u003c\/li\u003e\n\u003cli\u003eWheel pilot diameter of 86.98 mm (3.424 inches) and brake pilot diameter of 89.98 mm (3.543 inches)\u003c\/li\u003e\n\u003cli\u003eFlange diameter of 182.83 mm (7.198 inches) with a flange offset of 55.56 mm (2.187 inches)\u003c\/li\u003e\n\u003cli\u003eHub pilot diameter measuring 99.35 mm (3.911 inches)\u003c\/li\u003e\n\u003cli\u003eDesigned for driven axle applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Timken SP550218 assembly is built to exacting standards to ensure compatibility with Ford Expedition and Lincoln Navigator models. The 33 spline count provides a precise fit on the axle shaft, while the 4-bolt flange with a 135.21 mm bolt circle diameter secures the hub firmly to the vehicle. The 6 wheel studs accommodate standard wheel mounting configurations, and the wheel pilot diameter of 86.98 mm ensures proper centering of the wheel. Brake pilot diameters of 89.98 mm allow for correct brake rotor alignment. The flange offset of 55.56 mm maintains proper positioning relative to the suspension and brake components, contributing to consistent handling and braking performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFord Expedition wheel bearing and hub replacement\u003c\/li\u003e\n\u003cli\u003eLincoln Navigator driveline hub assembly upgrade\u003c\/li\u003e\n\u003cli\u003eDriven axle hub assembly for Ford and Lincoln SUVs\u003c\/li\u003e\n\u003cli\u003eReplacement for worn or damaged wheel bearing and hub components\u003c\/li\u003e\n\u003cli\u003eRestores proper wheel alignment and reduces vibration issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Timken SP550218 wheel bearing and hub assembly, ensure the axle splines align correctly with the 33 spline count on the hub. Torque flange bolts to manufacturer specifications to maintain secure mounting. Verify that the wheel pilot and brake pilot diameters match the vehicle’s rotor and wheel hub to avoid misalignment. It is recommended to inspect related components such as axle shafts and brake rotors during installation to ensure optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTimken manufactures the SP550218 wheel bearing and hub assembly to meet OEM standards for durability and fitment. This part undergoes rigorous quality control to ensure reliable operation in Ford Expedition and Lincoln Navigator vehicles. While specific warranty details may vary, Timken typically offers coverage against defects in materials and workmanship, providing confidence in the product’s longevity and performance.\u003c\/p\u003e","brand":"Timken","offers":[{"title":"Default Title","offer_id":45135242756277,"sku":"BCPZ-SP550218","price":273.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TM_SP550218_Ang.jpg?v=1775100227","url":"https:\/\/www.partcatalog.com\/products\/timken-sp550218-wheel-bearing-and-hub-assembly","provider":"PartCatalog","version":"1.0","type":"link"}