The 16 mm steel shaft sleeve bearing compatible with 6003, 6203, and 6303 ball bearings features a sleeve length of 25 mm and is available in undersizes of 2 mm and 3 mm for bore adjustments. The 6203 deep groove ball bearing has an inner diameter of 17 mm, outer diameter of 40 mm, and width of 12 mm, with a dynamic load rating of 9.55 kN and a limiting speed up to 20,000 rpm. The 6303 bearing measures 17 mm inner diameter, 47 mm outer diameter, and 14 mm width, designed for high rotational speeds and dynamic loads. These bearings are made of chrome steel, single-row deep groove type, suitable for various rotary applications.