tender for set of bearing covers for traction motor type hs-15250a comprising of - [i] outer bearing cover[ce] to hitachis drawing no.10q.750-259 alt-i. item no.1 - 1 no. [ii] inner bearing cover [ce] to hitachisdrawing no. 10q.750-259 alt- i, item no.2 - 1 no. [iii] outer bearing cover [pe] to hitachis drg.no.10q.750-258 alt- 7 item no.1 - 1 no. [iv]. inner bearing cover [pe] to hitachis drg. no.10q.750-258 alt-7, itemno.2 - 1 no.