supply of spares for furnace bottom ash disposal system of 2x500 mw, btps, anpara , complete guide wheel assembly #each set contains#1. roller material: ms#2. bush, material: gun metal#3. thrust washer, material: brass#4. stub shaft, material: ss 304 5. hthh nut & washer, material: ms gr 10.9#6. bearing housing, material: ms7. gasket for ft mat: neoprene rubber#8. gasket for bearing housing mat: neoprene rubber# , stub shaft of guide wheel assembly of ssc with hthh nut m36 and plane washer, material of shaft: en-57#material of nut: ms gr 10.9 chemical composition- c: 1-2.5%, mn: 1.0% max, si: 0.8 % ni: 1-3%, cr: 15-18% (as per sample) , roller fitted with bush for guide wheel assembly of ssc, (in front side of roller hole should match with the roller cover of size 24 0.4x31.3x170x19 mm, nos of hole 08 nos, dia 10 mm, pcd: 210 mm) mat: en-8, as per sample roller material: mild steel #bush material: gun metal , thrust washer for guide wheel assembly of ssc#od: 160mm, id: 100mm, thickness: 6.0mm#material: brass , bush for guide wheel assy of ssc size (lxodxid) 118x120x100 mm #material: gun metal , comb liner for clinker grinder male #material: mat:din34cr mo ni6 , comb liner for clinker grinder (female) #material: mat:din34cr mo ni6 , shroud liner for clinker grinder (male)#material: mat:din34cr mo ni6 , shroud liner for clinker grinder (female)#material: mat:din34cr mo ni6 , lantern ring for clinker grinder size 169x131x20 m #material: brass , support ring for clinker grinder 169x131x11.5 mm #material: brass , spacer ring for clinker grinder assembly, #material: ms , walkar seal style-i with eye spring size 130x170x16 mm #material: neoprene , walkar seal style-ii with eye spring .130x170x16 mm #material: neoprene , chuck nut for clinker grinder with lock washer, material: ms , collar ring for c.g. with grub screw (as per sample) , coller ring for ca -50 hydraulic motor mat-ss-304 , locking collar of return idler shaft & snub shaft roller with grub screw , size: 140x100x25 mm, hole dia-6.0 mm,# mat: m.s. as per sample. , locking collar of tail end shaft roller with grub screw ,#size:150x110x20 mm, hole dia-6.0 mm, #material: m.s, as per sample