The WS81109 wave washers from NTN are high-quality components for use in various applications. With an inner diameter of 45 mm, an outer diameter of 65 mm, and a width of 4 mm, they offer precise fit and reliable performance. Weighing only 0.055 kg, they are easy to handle, while the tolerance class P0/PN or ABEC 1 ensures high accuracy. Made from durable steel, these wave washers provide long life and reliability for your needs.