{"product_id":"national-30305-differential-pinion-bearing","title":"National 30305 Differential Pinion Bearing","description":"\u003ch2\u003eNational 30305 Differential Pinion Bearing Overview\u003c\/h2\u003e\u003cp\u003eThe National 30305 differential pinion bearing is engineered for reliable driveline performance in a variety of vehicles including Chevrolet, Dodge, Hyundai, and Volkswagen models. Designed as a taper bearing assembly, this part ensures smooth rotation and durability under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBore diameter: 0.9843 inches (25.00 mm)\u003c\/li\u003e\n\u003cli\u003eCone length: 0.6693 inches (17.00 mm)\u003c\/li\u003e\n\u003cli\u003eCone radius: 0.0800 inches (2.032 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.5906 inches (15.00 mm)\u003c\/li\u003e\n\u003cli\u003eCup radius: 0.0800 inches (2.032 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.4409 inches (62.00 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.7185 inches (18.25 mm)\u003c\/li\u003e\n\u003cli\u003eDesign: Iso metric taper bearing\u003c\/li\u003e\n\u003cli\u003eType: TS series 30300\u003c\/li\u003e\n\u003cli\u003eStandout: 0.1280 inches (3.25 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details of the 30305 Differential Pinion Bearing\u003c\/h2\u003e\u003cp\u003eThis National differential pinion bearing features a precise bore size of 0.9843 inches (25 mm) to fit securely on the pinion shaft. The cone and cup lengths of 0.6693 inches and 0.5906 inches respectively provide optimal contact surfaces for load distribution. Both cone and cup have a radius of 0.0800 inches, contributing to the bearing’s tapered design that supports axial and radial loads effectively. The outside diameter measures 2.4409 inches, ensuring compatibility with a range of differential housings. The bearing width of 0.7185 inches allows for proper spacing and alignment within the driveline assembly. This part is classified under the TS type and belongs to the 30300 series, known for its ISO metric design standards.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe National 30305 differential pinion bearing is compatible with various makes and models, including Chevrolet D250 and D350 trucks, Dodge Challenger, Hyundai Eclipse and Sonata, Isuzu Trooper, Mitsubishi Galant and Eclipse, Nissan Pickup and 210, Plymouth Colt and Sundance, Suzuki SX4, and Volkswagen Beetle. This bearing is suitable for vehicles requiring a taper bearing assembly in the differential pinion to maintain smooth driveline operation and reduce wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEliminates excessive pinion shaft play and vibration\u003c\/li\u003e\n\u003cli\u003eReduces differential noise caused by worn bearings\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear of differential gears\u003c\/li\u003e\n\u003cli\u003eMaintains proper gear alignment under load\u003c\/li\u003e\n\u003cli\u003eSupports smooth torque transfer in off-road and highway conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 30305 differential pinion bearing, ensure the bearing surfaces are clean and free of debris. Proper lubrication is essential to prevent premature failure. Use the correct tools to press the bearing onto the pinion shaft without causing damage to the cone or cup. Verify the standout measurement of 0.1280 inches to maintain correct preload and gear mesh. Follow vehicle-specific service manuals for torque specifications and adjustment procedures to achieve optimal driveline performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet ISO metric standards, ensuring consistent quality and dimensional accuracy. The 30305 differential pinion bearing undergoes rigorous testing to comply with industry specifications for durability and performance. While specific warranty details are not provided, National products typically come with manufacturer-backed quality assurance to support reliable operation in automotive driveline applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52163237576885,"sku":"BCZK-30305","price":41.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_30305_Ang.jpg?v=1775590327","url":"https:\/\/www.partcatalog.com\/products\/national-30305-differential-pinion-bearing","provider":"PartCatalog","version":"1.0","type":"link"}