Mount Prospect is a village in Elk Grove Village and Wheeling Townships in Cook County, Illinois, about 20 miles (32 km) northwest of downtown Chicago, and approximately 4 miles north of O'Hare International Airport. As of the 2020 census, the village had a total population of 56,852.

NTN Corporation is one of the most prominent manufacturers of bearings in Japan, second domestically only to NSK Ltd. The company is one of the largest exporters worldwide of friction-reducing products such as constant-velocity joints.