Solid Collar Needle Roller Bearing NKI

Bearing code Structural features

NK NKS RNA49 RNA48        Outer ring double rib Single row No inner ring
NKI NKIS NA49 NA48           Outer ring double rib single row with inner ring
RNA69                                     Outer ring double edge double row no inner ring
NA69                                       Outer ring double edge double row with inner ring
RNA49..RS RNA49..2RS       single-sided or double-sided
NA69.. RS NA69..2RS           Sealed on one side or on both sides Double row
RNAO                                       Outer ring without rib single or double row without inner ring
NAO                                         Outer ring without ribs Single or double row With inner ring
RNAV                                       Outer ring double rib Single row No inner ring
NAV                                         Outer ring double rib single row with inner ring

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