This is a genuine LEMKEN part, reference 4260042, identified as a bearing. It features an inner diameter of 40 mm, an outer diameter of 80 mm, and a width of 18 mm, with a weight of 0.45 kg. This bearing is specifically designed for various LEMKEN Karat series cultivators and tillers, including Karat 9, Karat 12, and Karat 600 models, ensuring reliable performance and durability in demanding agricultural applications.