2PCS Chain Tensioner Sprocket 15T/17T Fit for New Holland 5070 Square Hay Baler
Integrated chain tensioner idler sprocket with built-in bearing, available in 15-tooth and 17-tooth specifications, specially designed for the chain drive system of Case New Holland 5070 series square hay and straw balers. Installed in each chain drive loop to tension the drive chain, adjust chain preload, absorb shock and vibration during transmission, prevent chain skipping and disengagement, and ensure stable and reliable chain drive of core mechanisms such as the feeder and knotter. Made of wear-resistant steel with hardened tooth surface for extended service life, built-in bearing ensures smooth low-resistance rotation, serves as a common wearable tension guide component for baler chain drive systems in dusty heavy-duty field conditions. The tooth surface is worn beyond limit, the bearing seizes with abnormal noise, the wheel body cracks, or the tensioning function fails, which affects stable chain transmission. Single sprocket damage occurs; synchronous inspection of driving, driven and tension sprockets in the same loop is recommended, and set replacement is advised when wear levels are similar. Multiple sprockets show synchronous wear, causing frequent chain skipping or uneven transmission. Restores reliable chain tension and guidance, eliminates skipping and abnormal noise, and ensures stable transmission of core baler mechanisms. Hardened wear-resistant structure extends service life, reduces maintenance frequency and lowers equipment downtime during busy harvest seasons. Ensures accurate chain meshing, reduces uneven wear on chains and sprockets, and extends the service life of the entire drive system. We focus on producing high-performance replacement components for farm tractors, combine harvesters, balers and tillage equipment. Our wide product range covers engine parts, hydraulic components, wear parts, transmission parts, seals, filters, bearings and other agricultural consumables. Our spare parts are compatible with agricultural machines from AGCO, New Holland, John Deere, Case IH, Claas, Massey Ferguson, Valtra, Kubota, Yanmar, Deutz-Fahr, Kuhn and Lemken. Equipped with complete machining, casting, forging and heat-treatment workshops, we implement strict quality inspection procedures throughout production. All products are manufactured according to standard dimensional specifications to ensure stable performance and long service life under tough farming working conditions. We support bulk wholesale, customized processing and flexible order solutions for global agricultural dealers, repair workshops and farming contractors. With competitive factory-direct pricing, stable supply and reliable after-sales support, Huarui-Machine strives to provide cost-effective aftermarket spare parts solutions for farmers all over the world. Notice : All items are aftermarket replacement parts. We are not affiliated with the above-mentioned machinery brands. All brand names are only used to indicate compatibility.