NBX2030Z Combined Needle Roller With Thrust Ball Bearing 20x30x30mmNKXR20Z Combined Needle Roller With Thrust Ball NKXR20Z Combined Needle Roller With Thrust Ball Bearing 20x30x30mm With inner Ring NBX2030Z Combined Needle Roller With Thrust Ball Bearing 20mm x 30mm x 30mm VXB Bearing NBX2030Z 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,