China Nu321, Nj321, N321 Ecml/C3 Bearing for Large and Medium-Sized Electric Motor Xrb-Zwa Bearing Industry Co., Limited Base Info Description Pre：High Precision NU221, NJ221, NUP221, N221 Ecml/C3 Bearing for Locomotive and Rolling Stock Next：High Load Capacity Nu2222, Nj2222, Nup2222 Ecml/C3 Bearing for Rolling Machine
