{"product_id":"garage-door-jackshaft-chain-hoist-with-three-to-on","title":"Garage Door Jackshaft Chain Hoist With Three To One Ratio 331 Lbs Capacity","description":"\u003cdiv\u003eGarage Door Jackshaft Chain Hoist 3:1, 331 lb Capacity\u003cbr\u003e\n✔️ Heavy-duty iron, 3:1 gear ratio, 331 lb capacity, single unit \u003cp\u003eThis garage door jackshaft chain hoist is designed to lift and lower sectional doors with a smooth, reliable action. It’s typically mounted beside garages, warehouses, and roller shutters to simplify door operation and reduce manual effort.\u003c\/p\u003e \u003cp\u003e✅ Capacity up to 331 lbs (150 kg) \u003cbr\u003e\n✅ Transmission ratio 3:1 for smoother lifting \u003cbr\u003e\n✅ Large gears diameter 5.91 in (150 mm) for fewer turns \u003cbr\u003e\n✅ Durable iron with galvanizing finish for long life \u003cbr\u003e\n✅ Ball bearings and lubrication reduce friction during rotation \u003cbr\u003e\n✅ Hand-pulled chain operation suits garage and shutter setups \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a garage door jackshaft chain hoist used for and how does it work? This handy device uses a chain and a 3:1 gear ratio to lift doors with less effort. It is commonly installed beside garages, warehouses, and roller shutters to provide an easy, manual lifting option.\n- 3:1 gear ratio reduces the number of pulls required\n- Hand-pulled chain operation for simple control\n- Durable iron with galvanizing finish for long life\n- Supports doors up to 331 lbs in typical setups\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404313653567,"sku":"VXB0DW8N5ZMC","price":274.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/71GqJxBiafL.jpg?v=1776652736","url":"https:\/\/bearingscanada.com\/products\/garage-door-jackshaft-chain-hoist-with-three-to-on","provider":"Bearings Canada","version":"1.0","type":"link"}