NAX2030Z Combined Needle Roller With Thrust Ball Bearing 20x30x30mmNKX20Z Combined Needle Roller With Thrust Ball NKX20Z Combined Needle Roller With Thrust Ball Bearing 20mm x 30mm x 30mm NAX2030Z Combined Needle Roller With Thrust Ball Bearing 20x30x30mm 20mm x 30mm x 30mm VXB Bearing NAX2030Z 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,