IKObearing
The most popular sizes of deep groove ball bearings are also produced in sealed versions with shields or contact seals on one or both sides. Details about the suitability of the different seals for various operating conditions can be found in table 1.Sealed bearings in the 622, 623 and 630 wide series are particularly suitable for long maintenance-free service. In addition, ICOS bearing units with integrated radial shaft seals are available for higher sealing requirements.

The bearings with shields or seals on both sides are lubricated for life and are maintenance-free. They should not be washed nor heated to temperatures above 80 °C. Depending on the series and size, deep groove ball bearings are supplied charged with different standard greases.