supply of set of oh kit of nei make axle box for wap4 locos. each set consisting of - ( 1 ) thrower to neis drg. no.-x-122, part no.-3=1 no. ( 2 ) plain inner race rb5020 to neis drg. no.x-122=2 nos. ( 3 ) inner distance piece to neis drg. no.- x-122, part no.-4=1 no. ( 4 ) outer distance piece to neis drg. no.- x-122, part no.-5=1 no. ( 5 ) roller bearing rb 5020 to neis drg. no.- x-122, part no.-21=2 nos. ( 6 ) inner thrust coller to neis drg. no.-x-122, part no.-11=1 no. ( 7 ) outer thrust coller to neis drg. no.-x-122, part no.-10=1 no. [ warranty period: 30 months after the date of delivery ] smm / els / src-electric loco west bengal 23.00 set