... maintains a module (K type)2, the outer ring with double lock circle of needle bearing (NA type, NKI type, RNA type, NK ... double double row needle bearing (NA type, type, RNA)5, stamping outer ring needle bearing (HK type, BK type) NEEDLE ROLLER BEARINGSSERIESINNER DIAMETERK Series3mm-130mmHK ... -2RSR NA2206-2RSR NA2207-2RSR NA2208-2RSR NA2210-2RSR IKO bearing, needle roller bearing , bearing NA4910