... stiffness. They are especially suitable for bearing arrangements where radial space is limited. Because needle roller bearings only carry pure radial load ... series, MF series, F series, FY series, FH series;2.)Needle Roller Bearings:NK series, NKS series, RNA49 series, RNA69 series ... Washes ( AS series, WS series, GS series );5.)Combined Radial-Thrust Bearings:NKIA series, ZARN series, ZARF series;