{"product_id":"national-306-ff-wheel-bearing","title":"National 306-FF Wheel Bearing - Rear","description":"\u003ch2\u003eNational 306-FF Wheel Bearing Overview\u003c\/h2\u003e\u003cp\u003eThe National 306-FF wheel bearing is a precision-engineered component designed for reliable driveline performance. Featuring a single row radial ball bearing design, this part ensures smooth rotation and durability for various vehicle applications, including popular makes and models such as Ford F-150 and Chevrolet Silverado.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle row radial ball bearing design for consistent load handling\u003c\/li\u003e\n\u003cli\u003e30 mm (1.181 inch) bore diameter for precise fitment\u003c\/li\u003e\n\u003cli\u003e72 mm (2.835 inch) outside diameter for compatibility with standard hubs\u003c\/li\u003e\n\u003cli\u003e19 mm (0.748 inch) width for optimal balance and stability\u003c\/li\u003e\n\u003cli\u003eInner and outer race radii of 1.02 mm (0.040 inch) to reduce stress concentrations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe National 306-FF wheel bearing belongs to the 300 series and is classified as type A-9. It features a 30 mm (1.181 inch) inner race bore and a 72 mm (2.835 inch) outer race outside diameter, both with a 19 mm (0.748 inch) width. The single row radial design supports radial loads effectively, making it suitable for front and rear wheel applications on trucks and SUVs. The inner and outer race radii of 1.02 mm (0.040 inch) help minimize stress and extend bearing life under typical driving conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis wheel bearing is compatible with a range of vehicles, including Ford F-150 and Chevrolet Silverado models that require a 30 mm bore bearing. It addresses several common driveline issues:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEliminates wheel hub noise caused by worn or damaged bearings\u003c\/li\u003e\n\u003cli\u003eReduces vibration and improves wheel stability\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear of axle components\u003c\/li\u003e\n\u003cli\u003eMaintains proper wheel alignment and rotation\u003c\/li\u003e\n\u003cli\u003eSupports safe vehicle handling under load\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 306-FF wheel bearing, ensure the hub and spindle surfaces are clean and free of debris. Use proper tools to press the bearing into place without applying excessive force that could damage the races. Verify the bearing is seated evenly and rotates smoothly before reassembling the wheel components. It is recommended to inspect related seals and replace them if necessary to maintain optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel bearings are manufactured to meet industry standards for durability and precision. The 306-FF part number undergoes rigorous quality control to ensure consistent performance. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43446451470517,"sku":"BCZK-306-FF","price":48.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_306FF_Ang.jpg?v=1774734489","url":"https:\/\/www.partcatalog.com\/products\/national-306-ff-wheel-bearing","provider":"PartCatalog","version":"1.0","type":"link"}