... .Easily install, long life 4.OEM Needle Bearing: Sigle row needle bearings Needle roller bearings ... capacity and are therefore extremely suitable for bearing arrangements where radial space is limited.Main Model ... NA49..RS, NA49..2RS, NAO single row, NAO double row, RNAO, NAV, RNAV 2, Needle Roller 3 ... 50..PX, SL04 50..PPX 6, Combined Radial/Axial Bearing NJA59, DNJB59, NKXR, NKXR..Z, RAX700, RAX400, ...