{"product_id":"rear-axle-outer-wheel-bearing-set-mack-set426trb-alltrux-atx-s426","title":"Rear Axle Outer Wheel Bearing Set (Mack) SET426TRB – Heavy Duty Truck – Alltrux ATX-S426","description":"\u003cp data-start=\"1307\" data-end=\"1725\"\u003eThe Alltrux ATX-S426 Rear Axle Outer Wheel Bearing Set replaces industry standard SET426TRB and is engineered for heavy-duty Mack truck drive axle wheel end applications requiring high load capacity and long service life. This tapered roller bearing assembly is equivalent to cone 47679 and cup 47620 and is commonly used as the outer wheel bearing in rear drive axle hub assemblies for heavy-duty commercial vehicles.\u003c\/p\u003e\n\u003cp data-start=\"1727\" data-end=\"2167\"\u003eTapered roller bearing sets like SET426 are designed to manage both radial and axial loads while maintaining precise hub alignment and smooth rotation under severe operating conditions. Often referred to as a MileMate-style bearing in heavy-duty applications, this set features an approximate 3.000 inch bore, 5.250 inch outside diameter, and 1.313 inch width, supporting demanding freight, vocational, and off-highway service environments.\u003c\/p\u003e\n\u003cp data-start=\"2169\" data-end=\"2564\"\u003eManufactured from durable case-carburized steel for resistance to wear and harsh conditions, this bearing set is ideal for fleet maintenance, axle rebuilds, and preventive wheel end service on Mack trucks and similar heavy-duty drive axle applications. Proper lubrication, installation, and preload adjustment are essential to maximize bearing life and ensure safe, reliable rear axle operation.\u003c\/p\u003e\n\u003ch2 data-start=\"2566\" data-end=\"2581\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"2582\" data-end=\"2907\"\u003eIndustry standard SET426TRB wheel bearing set\u003cbr data-start=\"2627\" data-end=\"2630\"\u003eAlltrux Part Number: ATX-S426\u003cbr data-start=\"2659\" data-end=\"2662\"\u003eEquivalent to tapered roller cone 47679 and cup 47620\u003cbr data-start=\"2715\" data-end=\"2718\"\u003eDesigned for rear drive axle outer wheel end applications (Mack)\u003cbr data-start=\"2782\" data-end=\"2785\"\u003eHigh load capacity for heavy-duty truck and vocational service\u003cbr data-start=\"2847\" data-end=\"2850\"\u003eIdeal for fleet axle rebuilds and wheel end maintenance\u003c\/p\u003e\n\u003ch3 data-start=\"2909\" data-end=\"2937\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp data-start=\"2938\" data-end=\"3407\"\u003eBrand: Alltrux\u003cbr data-start=\"2952\" data-end=\"2955\"\u003ePart Number: ATX-S426\u003cbr data-start=\"2976\" data-end=\"2979\"\u003eIndustry Set Number: SET426TRB\u003cbr data-start=\"3009\" data-end=\"3012\"\u003eCone Number: 47679\u003cbr data-start=\"3030\" data-end=\"3033\"\u003eCup Number: 47620\u003cbr data-start=\"3050\" data-end=\"3053\"\u003eBearing Type: Tapered Roller Bearing Set (Cone \u0026amp; Cup)\u003cbr data-start=\"3106\" data-end=\"3109\"\u003ePosition: Rear Axle – Outer Wheel Bearing\u003cbr data-start=\"3150\" data-end=\"3153\"\u003eApplication Note: Mack Drive Axle Applications\u003cbr data-start=\"3199\" data-end=\"3202\"\u003eBore Diameter: 3.000 in\u003cbr data-start=\"3226\" data-end=\"3229\"\u003eOuter Diameter: 5.250 in\u003cbr data-start=\"3254\" data-end=\"3257\"\u003eWidth: 1.313 in\u003cbr data-start=\"3273\" data-end=\"3276\"\u003eMaterial: Case-Carburized Steel\u003cbr data-start=\"3307\" data-end=\"3310\"\u003eCondition: New Aftermarket\u003cbr data-start=\"3336\" data-end=\"3339\"\u003eApplication: Heavy-Duty Mack Truck Drive Axle Wheel End Assemblies\u003c\/p\u003e\n\u003ch4 data-start=\"3409\" data-end=\"3430\"\u003eCross References\u003c\/h4\u003e\n\u003cp data-start=\"3431\" data-end=\"3497\"\u003eINDUSTRY: SET426TRB\u003cbr data-start=\"3450\" data-end=\"3453\"\u003eCONE: 47679\u003cbr data-start=\"3464\" data-end=\"3467\"\u003eCUP: 47620\u003cbr data-start=\"3477\" data-end=\"3480\"\u003eALLTRUX: ATX-S426\u003c\/p\u003e","brand":"JX Peterbilt","offers":[{"title":"Default Title","offer_id":44150933848244,"sku":"ATX-S426","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7425\/5540\/files\/set426.png?v=1771799824","url":"https:\/\/parts.rodoc.com\/products\/rear-axle-outer-wheel-bearing-set-mack-set426trb-alltrux-atx-s426","provider":"Rodoc Leasing Sales \u0026 Service ","version":"1.0","type":"link"}