{"product_id":"1m8398-race-roller-brg-fits-caterpillar-models","title":"1M8398 Race-Roller Brg. Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Roller Bearing Inner Race for Caterpillar (Cat) Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement cylindrical roller bearing inner race replaces Caterpillar (Cat) OEM part number 1M-8398. The inner race is the precision-machined inner ring component of a cylindrical roller bearing assembly, providing the hardened raceway surface that guides and supports the roller elements under radial load. Cylindrical roller bearing inner races are used throughout Cat construction and industrial equipment in drivetrain, transmission, and powertrain assemblies where high radial load capacity and reliable operation are required.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePart Type: Cylindrical Roller Bearing Inner Race\u003c\/li\u003e\n\u003cli\u003eInner Diameter: 40mm\u003c\/li\u003e\n\u003cli\u003eBrand Compatibility: Caterpillar (Cat)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar (Cat):\u003c\/strong\u003e Verify fitment by cross-referencing OEM part number 1M-8398 with your equipment's parts manual or Cat dealer. This part number applies across multiple Cat construction and industrial equipment models.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1M8398, 1M-8398\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":42452153892947,"sku":"1M8398","price":47.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1M8398_01.jpg?v=1757781429","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/1m8398-race-roller-brg-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}