procurement of rapping hammers thrust and bottom bearing and set ring of stagei sgtpp , procurement of rapping hammers thrust and bottom bearing and set ring of stage i sgtpp. , set ring for bush bearing for esp for 500mw esp ( for dia 50mm horizontal shaft of esp stage-1(2x300mw). ) , thrust bearing of em vertical rapping shaft ( for esp of stage-1(2x300mw). ) , bottom bearing # of em rapping vertical shaft ( for esp stage-1(2x300mw).height 40mm,dia 100 mm. ) , hammer assembly,col rapping system # ( outer arm/hammer for cerm of esp of stage-1(2x300mw). ) , hammer assembly,em rapping system # ( outer arm/hammer for eerm of esp of stage-1(2x300mw). ) => limited