6203 Bearing

6203, the bearing is a kind of Deep Groove Ball Bearing, 6 represents the category of the type, 2 represents the bearing width level (2 belongs to the light load series), 03 represents the bearing diameter (03 is 17MM, 03 above, each adds a number, for example 0405, the internal diameter method is 04*5=20MM 05*5=25MM, that is 6205 internal diameter is 25MM).