tender for supply of different types of rollers/pulleys and screw conveyor of cmr system for boiler circle at katpp, jhalawar different types of rollers/pulleys and screw conveyor of cmr system , std. throughing idler ø114.3 mmod, 3 roll, 20° through, ø20 brg. , erw steel tube 4.5 mm thick , s.a.c idler ø114.3 mmod, 3 roll, 20° through, ø20 brg. , erw steel tube 4.5 mm thick , flat return idler ø114.3 mmod, single roll,ø20 brg. , erw steel tube 4 mm thick , self align return (s.a.r) idler ø114.3 mmod, single roll,ø20 brg. , erw steel tube 4 mm thick , transition idler (10°) ø114.3 mmod, 3 roll, 10° through, ø20 brg. , erw steel tube 4.5 mm thick , drive pulley 500 mm od, 10 mm thick m.s. shell, face width 750 mm, rubber lagging 12 mm thick, herring bone groove type rubber lagging, brg. c/c 1100 mm/ shaft dia at bearing ø90 mm,shaft material en 8 , tail/ take-up pulley/ bend pulley 400 mm od, 10 mm thick m.s. shell, face width 750 mm, plain rubber lagging 10 mm thick, brg. c/c 1100 mm/ shaft dia at bearing ø90 mm,shaft material en 8 , snub pulley 323 mm od, 10 mm thick m.s. shell, face width 750 mm, plain rubber lagging 10 mm thick, brg. c/c 1100 mm/ shaft dia at bearing ø65 mm,shaft material en 8 , complete screw conveyor without gearbox and motor(dia- f400 mm) screw (dia x pitch x thick.) - f400 mm x 320 mm x 6 mm, length end to end - 6950 mm, centre pipe (od - 219 mm, sch - 40, seamless pipe (astm a106 gr-b)),u trough - 6 mm thick. (is-2062 gr-b), drive shaft - f90x705 lg, en8driven shaft - f90x585 lg, en8 , high speed coupling resilient type flexible coupling / frc-4 , low speed coupling geared coupling / fgc-4 , guide roller as per sample