SKF single row deep groove ball bearings with a snap ring groove can simplify the design of an arrangement because the bearings can be located axially in the housing by a snap ring. This saves space and can significantly reduce mounting time.

The following variants are available for basic design SKF deep groove ball bearings:

• SKF open bearings with a snap ring groove only, designation suffix N
• SKF open bearings with a snap ring, designation suffix NR
• SKF bearings with a snap ring and a shield on the opposite side, designation suffix ZNR
• SKF bearings with a snap ring and a shield on both sides, designation suffix 2ZNR