NAXK40 Combined Needle Roller With Thrust Ball Bearing 40x52x32mmNKX40 Combined Needle Roller With Thrust Ball NKX40 Combined Needle Roller With Thrust Ball Bearing 40x52x32mm NAXK40 Combined Needle Roller Bearing 40mm x 52mm x 32mm VXB Bearing NAXK40 combined Needle roller bearings with a thrust bearing. They can accommodate both radial and axial loads. They are particularly suitable for applications where other types of locating bearing arrangements occupy too much space, or where the axial loads are too heavy,