NKX30Z Combined Needle Roller With Thrust Ball Bearing 30x42x30mm - Machined TypeNKX30Z Combined Needle Roller With Thrust Ball NKX30Z Combined Needle Roller With Thrust Ball Bearing 30mm x 42mm x 30mm NKX30Z Combined Needle Roller 30mm x 42mm x 30mm VXB Bearing NKX30Z 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,