{"product_id":"national-207-sl-manual-transmission-input-shaft-bearing","title":"National 207-SL Manual Transmission Input Shaft Bearing","description":"\u003ch2\u003eOverview of National 207-SL Manual Transmission Input Shaft Bearing\u003c\/h2\u003e\u003cp\u003eThe National 207-SL is a precision-engineered manual transmission input shaft bearing designed for reliable performance in select Buick, Oldsmobile, Pontiac, and Toyota vehicles. This ball bearing supports smooth rotational movement and helps maintain transmission efficiency in models such as the Buick LeSabre, Oldsmobile 88, Pontiac Catalina, and Toyota Celica.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle row radial ball bearing design\u003c\/li\u003e\n\u003cli\u003eInner race bore diameter: 1.378 inches (35.000 mm)\u003c\/li\u003e\n\u003cli\u003eOuter race outside diameter: 2.835 inches (72.000 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.669 inches (17.000 mm)\u003c\/li\u003e\n\u003cli\u003eInner race radius: 0.060 inches (1.524 mm)\u003c\/li\u003e\n\u003cli\u003eSeries 200, Type A-11 bearing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Features\u003c\/h2\u003e\u003cp\u003eThe National 207-SL manual transmission input shaft bearing features a single row radial design optimized for rotational stability and load distribution. The inner race bore measures 1.378 inches (35 mm), matching the input shaft diameter for a precise fit. Both the inner and outer races have a width of 0.669 inches (17 mm), ensuring consistent bearing support across the shaft. The outer race outside diameter is 2.835 inches (72 mm), providing a robust housing interface. The inner race radius of 0.060 inches (1.524 mm) contributes to smooth ball movement and reduced friction during operation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis bearing is compatible with manual transmissions in various Buick, Oldsmobile, Pontiac, and Toyota models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick LeSabre and Century\u003c\/li\u003e\n\u003cli\u003eOldsmobile 88 and 98\u003c\/li\u003e\n\u003cli\u003ePontiac Catalina, Skylark, Starfire, and Tempest\u003c\/li\u003e\n\u003cli\u003eToyota Celica, Corona, and Pickup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse the National 207-SL bearing to address issues related to input shaft wear, noise, or transmission roughness in these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the 207-SL Bearing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive input shaft play causing gear misalignment\u003c\/li\u003e\n\u003cli\u003eNoise or vibration originating from worn transmission bearings\u003c\/li\u003e\n\u003cli\u003eReduced transmission efficiency due to bearing wear\u003c\/li\u003e\n\u003cli\u003ePremature wear of transmission components from improper shaft support\u003c\/li\u003e\n\u003cli\u003eOverheating or friction-related damage within the input shaft assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the transmission input shaft and housing are clean and free of debris before installing the National 207-SL bearing. Proper alignment during installation is critical to prevent premature wear. Use appropriate tools to press the bearing into place without damaging the races or balls. Verify fitment compatibility with your specific vehicle model and transmission type prior to installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational bearings are manufactured to meet industry standards for durability and precision. The 207-SL bearing undergoes rigorous quality control to ensure consistent performance in manual transmission applications. While specific warranty details are not provided, National products typically adhere to manufacturer guidelines for reliability and service life.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52163236397237,"sku":"BCZK-207-SL","price":61.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_207SL_Ang.jpg?v=1775590321","url":"https:\/\/www.partcatalog.com\/products\/national-207-sl-manual-transmission-input-shaft-bearing","provider":"PartCatalog","version":"1.0","type":"link"}