NBXI1730 Combined Needle Roller With Thrust Ball Bearing 17x30x30mmNKXR20 Combined Needle Roller With Thrust Ball NKXR20 Combined Needle Roller With Thrust Ball Bearing 20x30x30mm NBXI1730 Combined Needle Roller With Thrust Ball Bearing 17mm x 30mm x 30mm With Inner Ring VXB Bearing NBXI 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