Single row deep groove ball bearings are the most frequently used type of rolling bearing. They are produced in numerous sizes and designs and are particularly economical.

Sealing:
Open bearings are suitable for high to very high speeds.     
Deep groove ball bearings with the suffix 2Z have gap seals on both sides and are suitable for high speeds.   
Bearings with the suffix 2RS have lip seals on both sides made fromnitrile butadiene rubber NBR and are suitable for moderate speeds.

Lubrication:
Open bearings can be lubricated with grease or oil.
Deep groove ball bearings with gap or lip seals on both sides are greased with a high quality grease and are lubricated for life.

618 series

619 series