DF Robot 48mm Mecanum Wheel (Left)

grabcad

This was sort of a nightmare to model even with one in front of me because of the insane angles. All the external details I could measure with calipers are there, probably accurate to 0.2mm or so. Some very unhelpful drawings are on their site. See the link below. Overall dimensions such as the 48mm diameter and 25mm measured width are there, as well as the 6.2mm width hex hole which is the most important bit. https://www.dfrobot.com/product-2041.html