Kingsbury are manufacturers of Messinger ball bearings in extra large sizes from an inner diameter of 2 inches (50mm) to an outer diameter of 25 feet (7.6m). Four types of extra large ball bearings are available in deep groove, angular contact, 4 point, and thrust configurations.

Timken are manufacturers of extra large radial ball bearings. Their XLS Series are made in the Conrad and maximum capacity filling slot designs. Features include a bore size range of 3 mm - 600 mm (0.12 in. - 23.62 in.). Applications include agriculture, automotive, chemical, utilities and industrial markets.

VXB are online distributors of 6040M SKF extra large ball bearings. These are deep groove radial steel bearings manufactured to ABEC 1 quality. They come in a 200mm x 310mm x 51mm size. ID is 200mm. OD is 310mm.

SKF offers MRC hybrid ceramic ball bearings in extra large sizes. These ball bearings are suited for wind power generator applications. The extra large bore sizes range from 100mm to 160mm and can be engineered with seals and shields. Custom designs are available.