DPI miniature bearings are manufactured with extra high precision. Their main application is in small low load high speed areas. Miniature BearingsClick below for more details on the ranges . 1.5 to 5 mm bore diameter . 6 to 9 mm bore diameter . 1.5 to 4 mm bore diameter flanged type . 5 to 9 mm bore diameter flanged type . 1.984 to 9.525 mm bore diameter . Magneto Ball Bearings Application: Industrial Due to their extra small size miniature bearings can operate at high speeds but can withstand very low loads. Most of the applications of these bearings are in the aeronautics industries and in the electronics industries.