NBXI1730Z Combined Needle Roller With Thrust Ball Bearing 17x30x30mmNKXR20Z Combined Needle Roller With Thrust Ball NKXR20Z Combined Needle Roller With Thrust Ball Bearing 20x30x30mm With inner Ring NBXI1730Z Combined Needle Roller With Thrust Ball Bearing 17mm x 30mm x 30mm With Inner Ring VXB Bearing NBXI1730Z 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