Genuine RHI & A KR16B-1-Z022-45HRC sprocket, engineered for 16B-1 simplex roller chains (ISO 606 / DIN 8187) with a precise pitch of 25.4 mm. This high-quality steel sprocket features 22 teeth and is induction hardened to 45 HRC, ensuring exceptional durability and superior wear resistance in demanding industrial and agricultural power transmission applications. It is supplied with a 30 mm pilot bore, allowing for custom machining to fit specific shaft diameters. The sprocket has an outer diameter of 185.7 mm and an overall width of 24.5 mm.