{"product_id":"skf-np477489-differential-pinion-race-rear-inner","title":"SKF NP477489 Differential Pinion Race - Rear Inner","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eSKF NP477489 is a differential pinion race for driveline and axle service. It is built as a tapered roller bearing race with a smooth raceway profile to support quiet, consistent operation in the differential assembly.\u003c\/p\u003e\u003cp\u003eCompatible With 2015-2020 Chevrolet Colorado, rear inner, and 2015-2020 GMC Canyon, rear inner. This part cross-references 23490333 for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTapered roller bearing race construction for differential service\u003c\/li\u003e\n\u003cli\u003eLogarithmic raceway profile for smooth roller contact\u003c\/li\u003e\n\u003cli\u003eUltra-smooth surface finish for quieter operation\u003c\/li\u003e\n\u003cli\u003e3.250 outside diameter for proper bearing fitment\u003c\/li\u003e\n\u003cli\u003eSKF NP477489 engineered to meet or exceed common application requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eSKF NP477489 is intended for rear inner differential pinion race applications in the Chevrolet Colorado and GMC Canyon. As part of the driveline and axle bearing system, it supports the pinion bearing assembly where precise roller guidance and surface finish matter for stable operation. The tapered roller design and refined raceway geometry help maintain consistent bearing movement under load.\u003c\/p\u003e\u003cp\u003eSKF has supplied bearing solutions for more than a century, and this NP477489 race reflects that focus on manufacturing quality and application coverage. The part number NP477489 is useful when matching the correct differential pinion race for service work on these trucks.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNoise from a worn or rough differential pinion bearing race\u003c\/li\u003e\n\u003cli\u003eInconsistent bearing contact caused by raceway wear\u003c\/li\u003e\n\u003cli\u003eService replacement for damaged axle bearing components\u003c\/li\u003e\n\u003cli\u003eFitment correction when the original race no longer seats properly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the bearing dimensions and differential application before installation. The 3.250 outside diameter should be matched to the correct housing and bearing setup. Professional installation is recommended for differential service to ensure proper seating and bearing preload.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKF manufactures this bearing race to high quality standards for durability, smooth operation, and safety in driveline service.\u003c\/p\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":53519177744565,"sku":"BCNB-NP477489","price":28.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CR_NP477489_Fro.jpg?v=1791954430","url":"https:\/\/www.partcatalog.com\/products\/skf-np477489-differential-pinion-race-rear-inner","provider":"PartCatalog","version":"1.0","type":"link"}