The KUHN 57734900 is a genuine OEM pillow block bearing designed for various KUHN GMD series mowers. This essential component ensures smooth rotation and support for shafts, contributing to the efficient operation and longevity of your agricultural machinery. With an inner diameter of 40 mm, outer diameter of 80 mm, and a width of 49.2 mm, this bearing is engineered to precise specifications for a perfect fit and optimal performance in demanding conditions.