{"product_id":"rgp-12-000-lb-oil-bath-hub-service-kit-3984-28682-bearings-races-seals-4-threaded-caps-one-axle","title":"RGP 12,000 lb Oil-Bath Hub Service Kit — 3984 \/ 28682 Bearings, Races, Seals \u0026 4″ Threaded Caps — One Axle","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eService both compatible oil-bath hubs on one 12,000 lb trailer axle with this RGP bearing, seal, and cap package. Each kit includes inner and outer tapered roller bearings, matching races, oil seals, and threaded oil caps with O-rings and rubber plugs. \u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe 3984 inner bearings pair with 3920 races, while the 28682 outer bearings pair with 28622 races. The included 10-56 oil seals and 4″ threaded caps replace the sealing components on compatible oil-bath hubs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOne kit supplies the listed components for\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003etwo hubs on one axle.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBrand: Running Gear Parts\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eProduct type: Oil-bath hub service kit\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eApplication: Compatible Dexter-style 12,000 lb trailer axle hubs\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eService quantity: Two hubs \/ one axle\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBearing type: Tapered roller\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInner bearing: 3984\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eInner bearing bore: 2.625″\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eInner race: 3920\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOuter bearing: 28682\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOuter bearing bore: 2.250″\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOuter race: 28622\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOil seal reference: 10-56\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOil seal nominal dimensions: 3.125″ ID × 4.500″ OD\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOil cap mounting type: Threaded\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOil cap thread size: 4″-12\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eCap sealing components: O-ring and rubber fill plug\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eOil cap reference: Dexter 021-036-00 style\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included by Kit Option:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1 Axle Kit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2 × 3984 inner bearings\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × 3920 inner races\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × 28682 outer bearings\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × 28622 outer races\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × 10-56 oil seals\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × 4″-12 threaded oil caps\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × oil cap O-rings\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e2 × rubber oil cap plugs\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003eCompatibility \u0026amp; Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor compatible 12,000 lb oil-bath hubs using 3984 inner bearings, 28682 outer bearings, matching races, 10-56 seals, and 4″-12 threaded oil caps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVerify the original bearing numbers, seal dimensions, and cap threads before ordering. Axle capacity alone does not confirm compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor threaded-cap hubs only. Hubs equipped with bolt-on oil caps require a different cap configuration. This kit does not convert grease hubs to oil-bath lubrication.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHub and drum assemblies, hub oil, spindle nuts, spindle washers, cotter pins, wheel-retaining rings, and lug nuts are not included.\u003c\/span\u003e\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":50704620814439,"sku":null,"price":187.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/67409d6b01c4fc037d379d2849eb5ff6.png?v=1793208016","url":"https:\/\/www.runninggearparts.com\/products\/rgp-12-000-lb-oil-bath-hub-service-kit-3984-28682-bearings-races-seals-4-threaded-caps-one-axle","provider":"RunningGearParts.com","version":"1.0","type":"link"}