NBXI1223Z Combined Needle Roller With Thrust Ball Bearing 12x24x23mmNBXI1223Z Combined Needle Roller With Thrust Ball Bearing 12mm x 24mm x 23mm With Inner Ring VXB Bearing NBXI1223Z 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, the speeds are too high, or the lubricant is inadequate for arrangements