{"product_id":"timken-sp450703-wheel-bearing-and-hub-assembly","title":"Timken SP450703 Wheel Bearing and Hub Assembly - Front","description":"\u003ch2\u003eTimken SP450703 Wheel Bearing and Hub Assembly Overview\u003c\/h2\u003e\u003cp\u003eThe Timken SP450703 wheel bearing and hub assembly is engineered for reliable performance in Chevrolet Express 1500 and GMC Savana 1500 vehicles. Designed as a non-driven hub, this assembly ensures precise fitment and durability for your driveline system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNon-driven wheel bearing and hub assembly\u003c\/li\u003e\n\u003cli\u003e6 wheel studs for secure wheel mounting\u003c\/li\u003e\n\u003cli\u003e3 flange bolt holes with a 139.7 mm (5.5 inch) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eWheel pilot diameter of 77.69 mm (3.059 inches) for accurate wheel alignment\u003c\/li\u003e\n\u003cli\u003eBrake pilot diameter of 78.40 mm (3.087 inches) to support brake component fitment\u003c\/li\u003e\n\u003cli\u003eHub pilot diameter of 99.35 mm (3.911 inches) for proper hub centering\u003c\/li\u003e\n\u003cli\u003eFlange diameter of 179 mm (7.047 inches) with a flange offset of 49.78 mm (1.960 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Timken SP450703 is a precision-engineered wheel bearing and hub assembly designed specifically for the Chevrolet Express 1500 and GMC Savana 1500 models. This non-driven hub assembly features six wheel studs and three flange bolt holes arranged on a 139.7 mm bolt circle diameter, providing a secure and stable mounting surface for your wheels. The assembly’s wheel pilot diameter of 77.69 mm and brake pilot diameter of 78.40 mm ensure proper alignment and fitment of wheels and brake components, reducing vibration and enhancing safety. Additionally, the hub pilot diameter of 99.35 mm centers the hub accurately on the axle, while the flange diameter and offset maintain correct positioning relative to the vehicle’s suspension and brake system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or damaged wheel bearing and hub assemblies on Chevrolet Express 1500 and GMC Savana 1500\u003c\/li\u003e\n\u003cli\u003eEliminates wheel vibration caused by bearing wear or hub misalignment\u003c\/li\u003e\n\u003cli\u003eResolves noise issues such as humming or grinding from the front wheel area\u003c\/li\u003e\n\u003cli\u003eRestores proper wheel mounting and brake component alignment\u003c\/li\u003e\n\u003cli\u003eAddresses uneven tire wear related to hub or bearing failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Chevrolet Express 1500 and GMC Savana 1500 before installation\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for flange bolts and wheel studs to avoid premature wear\u003c\/li\u003e\n\u003cli\u003eInspect related components such as axle shafts and brake rotors during installation\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces thoroughly to ensure accurate fitment and prevent contamination\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer guidelines for bearing lubrication and break-in procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTimken manufactures the SP450703 wheel bearing and hub assembly to meet strict quality standards, ensuring durability and reliable performance. This part is backed by Timken’s warranty coverage, which protects against defects in materials and workmanship under normal use. Using genuine Timken components helps maintain vehicle safety and driveline integrity.\u003c\/p\u003e","brand":"Timken","offers":[{"title":"Default Title","offer_id":45135223128245,"sku":"BCPZ-SP450703","price":289.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TM_SP450703_Ang.jpg?v=1775100219","url":"https:\/\/www.partcatalog.com\/products\/timken-sp450703-wheel-bearing-and-hub-assembly","provider":"PartCatalog","version":"1.0","type":"link"}