{"product_id":"8k-oil-bath-trailer-hub-drum-8-on-6-5-5-8-studs","title":"8000 lb Oil Bath Trailer Hub \u0026 Drum Assembly, 8 on 6.5\", 5\/8\" Studs, 12-1\/4\" x 3-3\/8\" Brakes","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRestore reliable braking performance for your heavy-duty towing setup with this \u003cstrong\u003e8,000 lb oil bath trailer hub and drum assembly\u003c\/strong\u003e. Designed for high-capacity trailer axle applications, this complete hub and drum assembly features pre-installed \u003cstrong\u003e5\/8\" wheel studs\u003c\/strong\u003e for secure wheel mounting and easier installation.\u003c\/p\u003e\n\u003cp\u003eEngineered for \u003cstrong\u003e12-1\/4\" x 3-3\/8\" electric or hydraulic trailer brake assemblies\u003c\/strong\u003e, this hub and drum provides a precision-machined braking surface designed for smooth, consistent contact with brake shoes. The optimized friction surface helps reduce uneven wear while delivering dependable stopping power for demanding towing conditions.\u003c\/p\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003eoil bath lubrication systems\u003c\/strong\u003e, this 8K trailer hub and drum assembly is designed to work with compatible oil seals, oil caps, and bearing components to maintain continuous lubrication and support long-term towing performance. The oil bath design helps reduce bearing heat buildup and provides improved lubrication compared with traditional grease-lubricated configurations when properly installed.\u003c\/p\u003e\n\u003cp\u003eFeaturing an \u003cstrong\u003e8 on 6-1\/2\" bolt pattern\u003c\/strong\u003e, \u003cstrong\u003e4-3\/4\" hub pilot\u003c\/strong\u003e, and heavy-duty \u003cstrong\u003e5\/8\" wheel studs\u003c\/strong\u003e, this complete hub and drum assembly is an ideal replacement solution for commercial trailers, flatbeds, equipment trailers, dump trailers, car haulers, and other heavy-duty towing applications using 8,000 lb axle systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHub \u0026amp; Drum Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAxle Capacity: 8,000 lbs Trailer Axle Applications\u003c\/p\u003e\n\u003cp\u003eBolt Pattern: 8 on 6-1\/2\"\u003c\/p\u003e\n\u003cp\u003eWheel Studs: 8 x 5\/8\" Pre-installed Wheel Studs\u003c\/p\u003e\n\u003cp\u003eBrake Assembly Size: 12-1\/4\" Diameter x 3-3\/8\" Width\u003c\/p\u003e\n\u003cp\u003eWheel Compatibility: Fits 16\", 17\", and 17.5\" Trailer Wheels (with matching bolt pattern)\u003c\/p\u003e\n\u003cp\u003eHub Pilot Diameter: 4-3\/4\"\u003c\/p\u003e\n\u003cp\u003eLubrication Type: Oil Bath\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eComponent Compatibility Requirements (Sold Separately):\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInner Bearing: 25580 (1.75\" ID)\u003c\/p\u003e\n\u003cp\u003eOuter Bearing: 02475 (1.25\" ID)\u003c\/p\u003e\n\u003cp\u003eInner Race: 25520\u003c\/p\u003e\n\u003cp\u003eOuter Race: 02420\u003c\/p\u003e\n\u003cp\u003eOil Seal: 10-63 \/ 10-225\u003cbr\u003e(2.25\" ID x 3.371\" OD)\u003c\/p\u003e\n\u003cp\u003eOil Cap: OC-86580-26\u003cbr\u003e(2-7\/8\" OD)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e1 x Heavy-Duty 8K Trailer Hub \u0026amp;Drum with Pre-installed 5\/8\" Wheel Studs\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: This product includes the hub and drum assembly with installed wheel studs. Bearings, races, oil seal, oil cap, lug nuts, and spindle hardware are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eReplacement \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003e8,000 lb oil bath trailer hub and drum assembly\u003c\/strong\u003e is designed for applications using the following Dexter OEM specifications:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Compatibility \/ Cross Reference:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDexter K08-285-90\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":42376787165287,"sku":null,"price":172.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/RGPProductDisplay99-86580-46B.png?v=1776362878","url":"https:\/\/www.runninggearparts.com\/products\/8k-oil-bath-trailer-hub-drum-8-on-6-5-5-8-studs","provider":"RunningGearParts.com","version":"1.0","type":"link"}