... bear axial load,conducive to the equipment smaller and lighter Needle roller bearingHK, BK seriesHK, RS HK, 2RS seriesBK, RS ... seriesNUTR, NUTR, X seriesIR, IR seriesNKIA, NKIB series1)Drawn cup needle roller bearing: HK, BK, HK RS, HK 2RS, BK RS ... : Electric motors, automotive applications, home appliances and industrial equipment, etc4. Precision Level: P0, P6, P6x, P5, SP, P4, UP (ABEC1, ABEC3 ...