This is a genuine Welger 4865340517 spur gear, an original equipment manufacturer (OEM) part designed for optimal performance in Welger AP and RP series round and square balers. Essential for precise power transmission, this spur gear features 12 teeth. Key dimensions include an outer diameter of 51 mm, an inner diameter of 25 mm, and a width of 20 mm. Weighing 0.12 kg, this component ensures the efficiency and reliability of your Welger agricultural machinery.