The Case IH part number CAA188647 is a genuine OEM hub designed for various Case IH Steiger series tractors. This critical component ensures proper wheel mounting and rotation, contributing to the stability and operational efficiency of the machinery. It has a weight of approximately 0.45 kg and dimensions of 152.4 mm in length, 152.4 mm in width, and 152.4 mm in height. This hub is superseded by part number 87403923, indicating it is an older but still valid part for compatible models.