{"product_id":"national-b-40-wheel-bearing","title":"National B-40 Wheel Bearing - Front Inner","description":"\u003ch2\u003eOverview of National B-40 Wheel Bearing for Chevrolet and Pontiac\u003c\/h2\u003e\u003cp\u003eThe National B-40 wheel bearing is engineered for reliable driveline performance in classic vehicles such as the Chevrolet Bel Air and Pontiac Laurentian. Designed as a single row angular contact bearing, it offers precise fitment and durability for these specific models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle row angular contact design for optimized load handling\u003c\/li\u003e\n\u003cli\u003eInner race bore diameter of 1.250 inches (31.760 mm)\u003c\/li\u003e\n\u003cli\u003eOuter race outside diameter of 2.564 inches (65.126 mm)\u003c\/li\u003e\n\u003cli\u003eWidth of approximately 0.759 inches (19.279 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Bel Air and Pontiac Laurentian models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe National B-40 wheel bearing features a single row angular contact design, which provides effective support for both radial and axial loads. The inner race has a bore diameter of 1.250 inches (31.760 mm), an outside diameter of 1.781 inches (45.237 mm), and a width of 0.750 inches (19.050 mm). The outer race measures 2.110 inches (53.594 mm) in bore diameter, 2.564 inches (65.126 mm) in outside diameter, and 0.563 inches (14.300 mm) in width. The overall bearing width is 0.759 inches (19.279 mm), making it suitable for precise installation in the wheel hub assembly of the Chevrolet Bel Air and Pontiac Laurentian.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis wheel bearing is specifically designed for use in the driveline and axle assemblies of Chevrolet Bel Air and Pontiac Laurentian vehicles. It addresses common issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive wheel play or looseness\u003c\/li\u003e\n\u003cli\u003eNoise or roughness during wheel rotation\u003c\/li\u003e\n\u003cli\u003ePremature bearing wear due to improper fitment\u003c\/li\u003e\n\u003cli\u003eVibration or instability at higher speeds\u003c\/li\u003e\n\u003cli\u003eSeal failure leading to contamination and bearing damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National B-40 wheel bearing, ensure the following for optimal performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClean the hub and surrounding components thoroughly before installation\u003c\/li\u003e\n\u003cli\u003eUse proper tools to press the bearing into place without damaging the races\u003c\/li\u003e\n\u003cli\u003eVerify the bearing orientation matches the single row angular contact design requirements\u003c\/li\u003e\n\u003cli\u003eCheck for correct fitment with the Chevrolet Bel Air or Pontiac Laurentian wheel hub assembly\u003c\/li\u003e\n\u003cli\u003eApply appropriate lubrication as specified by vehicle manufacturer guidelines\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 precision. The B-40 bearing undergoes rigorous quality control to ensure consistent performance in Chevrolet Bel Air and Pontiac Laurentian applications. 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":43448403787957,"sku":"BCZK-B-40","price":80.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_B40_Fro_5ce44c6c-eea6-41ce-ab37-6d5bbdd71748.jpg?v=1774734834","url":"https:\/\/www.partcatalog.com\/products\/national-b-40-wheel-bearing","provider":"PartCatalog","version":"1.0","type":"link"}