... 3.ID:1-240mm 4.OEM servise and design service Nsk ball bearingDimensions inter diameter 1mm~~outer diameter 240mm Precision level ... specialized in selling imported bearings. We have SKF, FAG and NSK brands bearings, TIMKEN bearings and bearings of NTN, INA, THK ... , quality service, and the best quality will meet your satisfaction. NSK ball bearing