supply of set of bearing stoppers for tm type hs 15250a comprising of---(i) inner bearing stoppe r (pe) to hitachi's drg. no. - 10t.806.918 (alt.-6) = 1 no. (ii) inner bearing stopper (ce) to hitachi's dr g. no. - 10t.806.919 (rev. - 2) = 1 no. (iii) outer bearing stopper (ce) to hitachi's drg. no. - 10s.778- 663 (alt.-f) = 1 no. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ]