{"product_id":"6000-lb-trailer-axle-bearing-kit-25580-15123","title":"RGP 5,200-6,000 lb Trailer Axle Bearing Kit – 25580 \u0026 15123 Bearings, 10-225 Seal","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhen servicing a compatible 5,200-6,000 lb trailer hub, matching the existing bearing and seal numbers is critical for proper fitment. This bearing kit combines the 25580 inner bearing and 15123 outer bearing with their matching races for common 6K trailer axle applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe kit uses a 2.250\" ID double-lip grease seal and is commonly associated with #42 tapered spindle configurations using 1.750\" and 1.250\" bearing journals. It provides the primary wear components needed during routine hub bearing replacement or rebuild service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAlways compare the bearing numbers, race numbers, and grease-seal dimensions with the components currently installed on the trailer before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat’s Included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Kit: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1 × 25580 Inner Bearing\u003c\/p\u003e\n\u003cp\u003e1 × 25520 Inner Race\u003c\/p\u003e\n\u003cp\u003e1 × 15123 Outer Bearing\u003c\/p\u003e\n\u003cp\u003e1 × 15245 Outer Race\u003c\/p\u003e\n\u003cp\u003e1 × 10-225 Double-Lip Grease Seal\u003c\/p\u003e\n\u003cp\u003e1 × Tang Washer\u003c\/p\u003e\n\u003cp\u003e1 x Cotter Pin\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1 Pair: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2 × 25580 Inner Bearing\u003c\/p\u003e\n\u003cp\u003e2 × 25520 Inner Race\u003c\/p\u003e\n\u003cp\u003e2 × 15123 Outer Bearing\u003c\/p\u003e\n\u003cp\u003e2 × 15245 Outer Race\u003c\/p\u003e\n\u003cp\u003e2 × 10-225 Double-Lip Grease Seal\u003c\/p\u003e\n\u003cp\u003e2 × Tang Washer\u003c\/p\u003e\n\u003cp\u003e2 x Cotter Pin\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2Pairs: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e4 × 25580 Inner Bearing\u003c\/p\u003e\n\u003cp\u003e4 × 25520 Inner Race\u003c\/p\u003e\n\u003cp\u003e4 × 15123 Outer Bearing\u003c\/p\u003e\n\u003cp\u003e4 × 15245 Outer Race\u003c\/p\u003e\n\u003cp\u003e4 × 10-225 Double-Lip Grease Seal\u003c\/p\u003e\n\u003cp\u003e4 × Tang Washer\u003c\/p\u003e\n\u003cp\u003e4 x Cotter Pin\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompatible Axle Rating: 6,000 lb\u003c\/p\u003e\n\u003cp\u003eProduct Type: Trailer Wheel Bearing Kit\u003c\/p\u003e\n\u003cp\u003eCommon Spindle Application: #42 Tapered Spindle\u003c\/p\u003e\n\u003cp\u003eInner Bearing: 25580\u003c\/p\u003e\n\u003cp\u003eInner Bearing ID: 1.750\"\u003c\/p\u003e\n\u003cp\u003eInner Race: 25520\u003c\/p\u003e\n\u003cp\u003eInner Race OD: 3.265\"\u003c\/p\u003e\n\u003cp\u003eOuter Bearing: 15123\u003c\/p\u003e\n\u003cp\u003eOuter Bearing ID: 1.250\"\u003c\/p\u003e\n\u003cp\u003eOuter Race: 15245\u003c\/p\u003e\n\u003cp\u003eOuter Race OD: 2.441\"\u003c\/p\u003e\n\u003cp\u003eGrease Seal: 10-225\u003c\/p\u003e\n\u003cp\u003eSeal Type: Double-Lip Grease Seal\u003c\/p\u003e\n\u003cp\u003eSeal ID: 2.250\"\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"Single Kit","offer_id":50394407207015,"sku":"HD-BK-6K-M","price":25.89,"currency_code":"USD","in_stock":true},{"title":"1 Pair","offer_id":50394407239783,"sku":"HD-BK-6K-M","price":49.89,"currency_code":"USD","in_stock":true},{"title":"2 Pairs","offer_id":50394407272551,"sku":"HD-BK-6K-M","price":97.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/811b4ada2443d7ced3049b4c84d8d734.png?v=1791393985","url":"https:\/\/www.runninggearparts.com\/products\/6000-lb-trailer-axle-bearing-kit-25580-15123","provider":"RunningGearParts.com","version":"1.0","type":"link"}