NKX20Z Combined Needle Roller With Thrust Ball Bearing 20x30x30mm - Machined TypeNKX20Z Combined Needle Roller With Thrust Ball NKX20Z Combined Needle Roller With Thrust Ball Bearing 20mm x 30mm x 30mm NKX20Z Combined Needle Roller 20mm x 30mm x 30mm VXB Bearing NKX20Z 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,