{"product_id":"national-rw-507-cr-automatic-transmission-final-drive-bearing","title":"National RW-507-CR Automatic Transmission Final Drive Bearing - Rear","description":"\u003ch2\u003eOverview of National RW-507-CR Automatic Transmission Final Drive Bearing\u003c\/h2\u003e\u003cp\u003eThe National RW-507-CR is a precision-engineered automatic transmission final drive bearing designed for select Buick, Cadillac, Oldsmobile, and Pontiac models. This single row radial bearing ensures reliable performance in transmissions of vehicles such as the Cutlass, Eldorado, Firebird, and Grand Prix.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle row radial design for efficient load handling\u003c\/li\u003e\n\u003cli\u003eInner race bore diameter of 1.378 inches (35.001 mm)\u003c\/li\u003e\n\u003cli\u003eOuter race outside diameter of 2.748 inches (69.787 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width of 1.306 inches (33.172 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM classic models including Cutlass Supreme and Toronado\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Features\u003c\/h2\u003e\u003cp\u003eThe RW-507-CR bearing features a single row radial design optimized for final drive applications in automatic transmissions. The inner race bore measures 1.378 inches (35.001 mm) with a radius of 0.112 inches (2.845 mm) and a width of 0.700 inches (17.780 mm). The outer race has an outside diameter of 2.748 inches (69.787 mm), a radius of 0.040 inches (1.016 mm), and a width of 0.660 inches (16.764 mm). The total bearing width is 1.306 inches (33.172 mm), providing a compact yet durable fit for transmission assemblies.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis National automatic transmission final drive bearing is compatible with a range of classic GM vehicles. It is specifically designed for use in:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Cutlass and Cutlass Supreme\u003c\/li\u003e\n\u003cli\u003eCadillac Eldorado and Toronado\u003c\/li\u003e\n\u003cli\u003eOldsmobile 442, LeMans, and Cutlass\u003c\/li\u003e\n\u003cli\u003ePontiac Firebird, Grand Prix, GTO, Skylark, and Tempest\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing the RW-507-CR bearing in these models helps maintain proper transmission function and longevity.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the RW-507-CR Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates excessive transmission noise caused by worn final drive bearings\u003c\/li\u003e\n\u003cli\u003ePrevents premature transmission wear due to bearing failure\u003c\/li\u003e\n\u003cli\u003eReduces vibration and improves smoothness in gear engagement\u003c\/li\u003e\n\u003cli\u003eSupports proper alignment of transmission components\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly transmission rebuilds by maintaining bearing integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National RW-507-CR bearing, ensure the transmission is clean and free of debris. Proper lubrication of the bearing surfaces is essential to prevent premature wear. Use appropriate tools to press the bearing into place without damaging the races. Verify fitment with the specific vehicle model and transmission type before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet strict industry standards for durability and performance. The RW-507-CR is produced with high-quality materials and precision engineering to ensure reliable operation in demanding transmission environments. This bearing comes with a limited warranty against manufacturing defects, providing confidence in its long-term use.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450642464949,"sku":"BCZK-RW-507-CR","price":47.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_RW507CR_Ang_214ca324-7169-4580-9f70-38d7a1a298ed.jpg?v=1774734868","url":"https:\/\/www.partcatalog.com\/products\/national-rw-507-cr-automatic-transmission-final-drive-bearing","provider":"PartCatalog","version":"1.0","type":"link"}