Genuine Kramp 660902 Belleville spring, also known as a disc spring, designed for optimal performance in Walterscheid PTO (Power Take-Off) shafts. This spring features an outer diameter of 45 mm, an inner diameter of 20.2 mm, and a thickness of 3 mm. Manufactured from durable spring steel, it ensures correct tension and smooth operation within the PTO assembly, preventing unwanted movement and wear. Weighing approximately 0.03 kg, this precision-engineered component is crucial for maintaining the integrity and efficiency of Walterscheid PTO systems.