{"product_id":"a-is401858-ai-idler-sprocket","title":"A-IS401858-AI Idler Sprocket","description":"\u003ch3\u003eOne New Aftermarket Replacement #40 Roller Chain Idler Sprocket - 18 Tooth, 5\/8\" Bore\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement idler sprocket is designed for use with #40 ANSI roller chain. Idler sprockets remove slack and maintain proper tension in chain drive systems commonly found on agricultural equipment such as balers, combines, planters, hay equipment, and other farm machinery. The sprocket features hardened teeth and a precision ball bearing insert for smooth, reliable operation in demanding field conditions.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e  \u003cli\u003eChain Size: #40 ANSI Roller Chain\u003c\/li\u003e  \u003cli\u003eNumber of Teeth: 18\u003c\/li\u003e  \u003cli\u003eBore: 5\/8\" (Bearing Bore)\u003c\/li\u003e  \u003cli\u003eBearing: Precision ball bearing insert, pre-installed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Applications\u003c\/h4\u003e\u003cp\u003eThis is a universal-fit idler sprocket suitable for various makes and models of agricultural equipment, hay equipment, planters, combines, balers, and other machinery using #40 roller chain drive systems. Verify chain size, tooth count, and bore diameter match your application before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eIS4018-58, IS401858, A-IS401858-AI\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":40039443595347,"sku":"A-IS401858-AI","price":47.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/IS401858_01.jpg?v=1757974547","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-is401858-ai-idler-sprocket","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}