{"product_id":"hitachi-4244942-bushing-hitachi-excavator-parts-km-4244942","title":"Hitachi 4244942 Bushing | Hitachi Excavator Parts","description":"\u003cp\u003eThe 4244942 bushing is a high-quality replacement part designed specifically for Hitachi machinery. Crafted with precision and built to last, this bushing is engineered to ensure optimal performance and reliability. With its durable construction, this bushing provides a secure and stable fit, allowing for smooth and efficient operation of your Hitachi equipment. It is an essential component for maintaining the proper alignment and function of various parts within your machinery. Designed to withstand rigorous use in demanding environments, this bushing is made from premium materials that offer exceptional strength and resistance to wear and tear. Its robust design ensures long-lasting durability, reducing the need for frequent replacements and minimizing downtime. The 4244942 bushing is compatible with a wide range of Hitachi models, making it a versatile choice for your machinery needs. Whether you are in the construction, mining, or industrial sector, this bushing is an excellent investment to keep your equipment running smoothly and efficiently.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003eHitachi 4244942 Bushing Specifications \u0026amp; Fitment\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eWhat it is:\u003c\/strong\u003e Heavy-equipment bushing designed for tight-tolerance pivot joints where wear control and alignment matter.\u003c\/p\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003ePart number:\u003c\/strong\u003e 4244942\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e KM-4244942\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eTypical use:\u003c\/strong\u003e Boom\/arm\/bucket linkages, work equipment pivots, and high-wear joints.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey measurements to confirm\u003c\/h3\u003e \u003cp\u003eTo ensure correct fit, match the following measurements to your machineTMs worn component or OEM spec:\u003c\/p\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003eInside Diameter (ID):\u003c\/strong\u003e ___\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eOutside Diameter (OD):\u003c\/strong\u003e ___\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eOverall Length:\u003c\/strong\u003e ___\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality notes\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003eDesigned for consistent clearance and long service life when installed with proper lubrication.\u003c\/li\u003e   \u003cli\u003eReplace pins and bushings as a set when wear is uneven to prevent premature failure.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation tip\u003c\/h3\u003e \u003cp\u003eMeasure the bore, pin, and bushing after press-fit. Use proper tooling and lubrication, and re-check end-play after assembly.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eNeed help confirming dimensions?\u003c\/em\u003e Send your machine model and the measurements above and weTMll verify fitment.\u003c\/p\u003e \u003ch3\u003eKomatsu maintenance notes (quick guide)\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003eEarly-life greasing:\u003c\/strong\u003e For excavators, Komatsu guidance calls for greasing work equipment pins every 10 hours for the first 50 hours, and greasing again after water work.\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eClearance control:\u003c\/strong\u003e Komatsu linkage manuals commonly specify pinbushing clearance targets and a typical service limit around 1.0 mm for many joints, often managed with shims.\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eTracked machines:\u003c\/strong\u003e For undercarriage track joints, pin\/bushing turning is condition- and wear-window dependent; abrasive sites can accelerate wear substantially.\u003c\/li\u003e \u003c\/ul\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42730511761504,"sku":"HIT-4244942","price":263.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/4244942_komatsu-parts-online_7728dd31-8358-43fe-abb8-22e6275e8d3f.png?v=1779903612","url":"https:\/\/wqcparts.com\/es\/products\/hitachi-4244942-bushing-hitachi-excavator-parts-km-4244942","provider":"WQC PARTS","version":"1.0","type":"link"}