{"product_id":"uni70-0010-bottom-roller","title":"1857280 Roller AS Fits Caterpillar 302.5 303 303.5","description":"\u003ch3\u003eOne New Aftermarket Replacement Bottom Roller Fits Caterpillar (Fits CAT) Mini Excavators\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement bottom track roller Fits Caterpillar mini excavators and is a key undercarriage component that guides and supports the track chain while distributing machine weight along the lower frame. The roller features a single-flange design approximately 4-3\/4 inches in diameter, oil-filled sealed bearings, and a heat-treated steel shell for durability in demanding job site conditions.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e  \u003cli\u003eType: Single-flange bottom (track) roller\u003c\/li\u003e  \u003cli\u003eDiameter: Approximately 4-3\/4 inches (new)\u003c\/li\u003e  \u003cli\u003eConstruction: Heat-treated steel, oil-filled sealed bearings\u003c\/li\u003e  \u003cli\u003eQuantity per machine: 6 (302.5), 8 (303.5, 303CR)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Mini Excavators:\u003c\/strong\u003e 302.5, 303, 303.5, 303CR\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e185-7280, 1857280\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eUNI70-0010, 185-7280-A, 1857280-A, CA185-7280\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":17725185916979,"sku":"UNI70-0010","price":170.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/UNI70-0010_01.jpg?v=1757976447","url":"https:\/\/www.reliableaftermarketparts.com\/products\/uni70-0010-bottom-roller","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}