{"product_id":"national-rw-507-er-wheel-bearing","title":"National RW-507-ER Wheel Bearing - Rear","description":"\u003ch2\u003eOverview of National RW-507-ER Wheel Bearing\u003c\/h2\u003e\u003cp\u003eThe National RW-507-ER wheel bearing is engineered for reliable driveline performance in select Chevrolet and Pontiac vehicles. Designed as a single row radial bearing, it offers precise fitment and durability for models like the Chevrolet Bel Air, Corvette, and Pontiac Laurentian.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle row radial design for consistent load handling\u003c\/li\u003e\n\u003cli\u003eInner race bore diameter of 1.378 inches (35 mm)\u003c\/li\u003e\n\u003cli\u003eOuter race outside diameter of 2.835 inches (72 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width of 0.925 inches (33.35 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Bel Air, Corvette, and Pontiac Laurentian\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThis wheel bearing features a 35 mm (1.378 inch) bore and an inner race width of 0.925 inches (23.495 mm), ensuring a secure fit on the axle shaft. The outer race measures 2.835 inches (72 mm) in diameter with a width of 0.886 inches (22.5 mm), providing a stable housing interface. The inner race radius of 0.100 inches (2.54 mm) and outer race radius of 0.040 inches (1.016 mm) contribute to smooth rotation and reduced friction. The single row radial design supports radial loads typically encountered in driveline applications for the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe National RW-507-ER wheel bearing is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Bel Air\u003c\/li\u003e\n\u003cli\u003eChevrolet Corvette\u003c\/li\u003e\n\u003cli\u003ePontiac Laurentian\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis part is specifically designed to meet the fitment requirements of these classic and performance vehicles, ensuring proper axle alignment and wheel rotation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Wheel Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates wheel play and vibration caused by worn bearings\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear of axle components due to improper fit\u003c\/li\u003e\n\u003cli\u003eReduces noise and roughness during wheel rotation\u003c\/li\u003e\n\u003cli\u003eMaintains proper wheel alignment and driveline stability\u003c\/li\u003e\n\u003cli\u003eSupports safe and smooth vehicle handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the bearing bore and axle shaft dimensions match the specified 1.378 inch (35 mm) diameter\u003c\/li\u003e\n\u003cli\u003eUse proper tools to press the bearing into the hub without damaging the races\u003c\/li\u003e\n\u003cli\u003eClean and inspect the hub and spindle surfaces before installation\u003c\/li\u003e\n\u003cli\u003eApply appropriate lubrication as recommended for wheel bearings\u003c\/li\u003e\n\u003cli\u003eVerify correct seating of the bearing to avoid premature failure\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 performance. The RW-507-ER part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability for Chevrolet Bel Air, Corvette, and Pontiac Laurentian applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450642596021,"sku":"BCZK-RW-507-ER","price":107.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_RW507ER_Ang.jpg?v=1774734868","url":"https:\/\/www.partcatalog.com\/products\/national-rw-507-er-wheel-bearing","provider":"PartCatalog","version":"1.0","type":"link"}