{"product_id":"timken-hm903249-differential-pinion-bearing","title":"Timken HM903249 Differential Pinion Bearing - Rear Inner or Rear Outer","description":"\u003ch2\u003eTimken HM903249 Differential Pinion Bearing Overview\u003c\/h2\u003e\u003cp\u003eThe Timken HM903249 differential pinion bearing is engineered for reliable performance in heavy-duty driveline applications. Designed to meet the precise specifications required by select Bentley, Chevrolet, and GMC models, this bearing ensures smooth differential operation and durability under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter options: 1.750 inches and 44.45 mm for accurate fitment\u003c\/li\u003e\n\u003cli\u003eCone radius measurements of 0.138 inches and 3.50 mm for optimal seating\u003c\/li\u003e\n\u003cli\u003eOuter dimensions of 1.125 inches and 28.58 mm for compatibility with specific differential assemblies\u003c\/li\u003e\n\u003cli\u003eManufactured by Timken, a trusted name in driveline and axle components\u003c\/li\u003e\n\u003cli\u003ePart number HM903249 for precise identification and replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThis differential pinion bearing features dual inside diameter measurements of 1.750 inches and 44.45 mm, accommodating the specific design requirements of various differential setups. The cone radius values of 0.138 inches and 3.50 mm provide the necessary geometry for proper bearing seating and load distribution. With an outer diameter of 1.125 inches and 28.58 mm, the bearing fits securely within the pinion housing, ensuring stable operation.\u003c\/p\u003e\u003cp\u003eThe Timken HM903249 is compatible with a range of vehicles including Bentley Continental and Mulsanne models, as well as Chevrolet and GMC heavy-duty trucks such as the Avalanche 2500, Silverado 2500 HD, Sierra 3500, Suburban 2500, Tahoe, and various Express and Savana series vans. This compatibility ensures that the bearing meets the rigorous demands of both luxury and utility vehicles.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged differential pinion bearings in compatible Bentley, Chevrolet, and GMC models\u003c\/li\u003e\n\u003cli\u003eAddresses issues related to differential noise caused by bearing wear\u003c\/li\u003e\n\u003cli\u003eHelps eliminate excessive play or looseness in the pinion gear assembly\u003c\/li\u003e\n\u003cli\u003ePrevents premature differential failure due to bearing fatigue\u003c\/li\u003e\n\u003cli\u003eSupports smooth torque transfer and drivetrain efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure proper cleaning of the pinion housing before installation to avoid contamination\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to press the bearing into place without damaging the cone radius surfaces\u003c\/li\u003e\n\u003cli\u003eVerify bearing preload and backlash settings according to vehicle manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eInspect related components such as seals and races during installation for comprehensive maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTimken manufactures the HM903249 differential pinion bearing to meet stringent quality standards, ensuring durability and consistent performance. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects. This bearing is produced with precision materials and processes to support long service life in demanding automotive applications.\u003c\/p\u003e","brand":"Timken","offers":[{"title":"Default Title","offer_id":45124665049269,"sku":"BCPZ-HM903249","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TM_HM903249_Ang_edc2e981-8d4d-44ab-b727-df767c9351a5.jpg?v=1775100095","url":"https:\/\/www.partcatalog.com\/products\/timken-hm903249-differential-pinion-bearing","provider":"PartCatalog","version":"1.0","type":"link"}