Needle bearing withour inner ring.
NK9/12 NK10/10 NK20/20 NK25/20 NK30/30 NK35/20 NK40/20 NK45/20 NK50/25 NK60/25
NKI10/10 NKI12/10 NKI20/16 NKI20/20 NKI30/30 NKI35/30 NKI40/30 NKI50/35
NKIS15 NKIS17 NKIS20 NKIS25 NKIS30 NKIS35 NKIS40 NKIS50 NKIS60 NKIS70