supply of pre assembly items for wheel sets of 3 phase ac emu bhel coachespre assembly items for wheel sets of 3 phase ac emu bhel coaches,pre assembly items for wheel sets of ac emu 3 ph air cond. bhel type. one set consists of 1. suspension tube - 01 no, 2. bearing housing - 01 no, 3. adjustment washer -01 no, 4. end cover(rwe)- 01 n o, 5. abutment piece-01 no, 6. end cover(gwe)-01 no, 7. enclosure -01 no, 8. socket head cap screw m10x 30-12.9 - 06 nos, 9. socket head cap screw m12x70-12.9 - 16 nos, 10. grease nipple -02 nos, 11. taper roll er bearing gwe -01 no, 12. taper roller bearing rwe -01 no, 13. gear wheel - 01 no. [ warranty period: 30 months after the date of delivery ] ]