Loco: GZB WAP7 #30230, (DLI-DBRG/24 Coaches), VCB tripped with Fault message on DDS " Convertor contactor stuck off. MCB 127.1/2 in SB-2 panel checked and found normal same tripped got success. Escorting CLI experienced that wheel no 11 & 12 not moving and stopped the train at Jalasar Road M/L on through signal. Checked and found TM-6 non driving end TNG bearing failed and wheel no 11 & 12 not moving. ART arrived Loco kept at JLS loop line and F/Loco given. IB-18.01.17, TI/NDLS-11.04.17, Major/sec- GZB-TDL, Minor/sec- Jalesar Road (JLS) Time- 02.58-05.44=166+4=170" extra.