{"product_id":"timken-ha590491-wheel-bearing-and-hub-assembly-front-or-rear","title":"Timken HA590491 Wheel Bearing and Hub Assembly - Front or Rear","description":"\u003ch2\u003eTimken HA590491 Wheel Bearing and Hub Assembly Overview\u003c\/h2\u003e\u003cp\u003eThe Timken HA590491 wheel bearing and hub assembly is engineered for reliable driveline performance in select GM trucks and SUVs. Designed to meet the specific requirements of vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500, this assembly ensures proper fit and function for driven axles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e33 spline quantity for precise axle engagement\u003c\/li\u003e\n\u003cli\u003e6 wheel studs for secure wheel mounting\u003c\/li\u003e\n\u003cli\u003e3 flange bolt holes with a 5.5-inch bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eFlange diameter of 7.045 inches and flange offset of 49.46 mm\u003c\/li\u003e\n\u003cli\u003eMultiple pilot diameters for wheel, brake, and hub alignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThe HA590491 features a 33-spline driven design compatible with driven axles on various GM models. It includes 6 wheel studs to accommodate standard wheel mounting configurations. The flange diameter measures 178.95 mm (7.045 inches) with a flange offset of 49.46 mm (1.959 inches), ensuring proper wheel positioning and clearance. The bolt circle diameter is 139.7 mm (5.5 inches) with 3 flange bolt holes, providing secure attachment to the vehicle hub. Wheel pilot diameters of 78.38 mm (3.086 inches) and brake pilot diameters of 77.77 mm (3.062 inches) help maintain precise alignment for brake components and wheels. The hub pilot diameter is 99.31 mm (3.910 inches), supporting accurate hub centering.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis Timken wheel bearing and hub assembly is compatible with a range of GM trucks and SUVs, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCadillac Escalade and Escalade ESV\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 1500 and Silverado 1500 LD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500 and Sierra 1500 Limited\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban 1500 and Tahoe\u003c\/li\u003e\n\u003cli\u003eCadillac XTS\u003c\/li\u003e\n\u003cli\u003eGMC Yukon and Yukon XL\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWheel bearing noise or roughness during driving\u003c\/li\u003e\n\u003cli\u003eExcessive wheel play or looseness\u003c\/li\u003e\n\u003cli\u003eUneven or premature tire wear\u003c\/li\u003e\n\u003cli\u003eABS sensor or brake component misalignment\u003c\/li\u003e\n\u003cli\u003eVibration or wobbling at higher speeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is securely lifted and supported before beginning installation. Verify the spline count and pilot diameters match the vehicle specifications. Clean the mounting surfaces thoroughly to prevent contamination. Torque all flange bolts and wheel studs to manufacturer specifications. It is recommended to inspect related components such as axle shafts and brake parts during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTimken wheel bearing and hub assemblies are manufactured to meet OEM standards for durability and performance. The HA590491 part number undergoes rigorous quality control to ensure proper fit and function. While specific warranty details are not provided here, Timken products typically include coverage against defects in materials and workmanship.\u003c\/p\u003e","brand":"Timken","offers":[{"title":"Default Title","offer_id":52180595179701,"sku":"BCPZ-HA590491","price":199.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TM_HA590491_Ang.jpg?v=1775591780","url":"https:\/\/www.partcatalog.com\/products\/timken-ha590491-wheel-bearing-and-hub-assembly-front-or-rear","provider":"PartCatalog","version":"1.0","type":"link"}