procurement of spare parts of rotary breakers, apron feeders and travelling trippers of chp-iv, stps, sarni. procurement of spare parts of rotary breakers, apron feeders and travelling trippers of chp-iv, stps, sarni. , driven sprocket–double strand, 2” pitch, 50 teeth, suitable for chain#160 for rotary breakers , driven sprocket–double strand, 2” pitch, 21 teeth, suitable for chain#160 for rotary breakers , fabricated sprocket–single strand, 4.063” pitch, 100 teeth, suitable for chain#1240 for rotary breakers , drive sprocket–single strand, 4.063” pitch, 15 teeth, suitable for chain#1240 for rotary breakers , idler sprocket – single strand, 4.063” pitch, 21 teeth, suitable for chain#1240 for rotary breakers , sprocket segment– single strand, 215.9 mm ( 8.5” ) pitch, 5 teeth, ( moc: 4140 steel, flame hardened surface ) suitable for crawler type chain for apron feeders. , traction wheel – single flange, dia. 740 mm, width 210 mm ( moc:is:2707 gr-1, ( flame hardened surface ) , suitable for 215.9 mm ( 8.5” ) pitch crawler type chain of apron feeders. , c.s track wheel – double flange dia. 500 mm, moc: is:1030 gr: 280-520 w ( non-drive ) for travelling trippers , c.s track wheel – double flange dia. 500 mm moc: is:1030 gr: 280-520 w ( drive ) for travelling trippers , track wheel shaft assembly ( non-drive ) consist of shaft ( 2455 mm length x 110 mm dia., moc:en-19 / 709m40 bs:970 ) , 2 nos. double flange wheel of dia. 500mm ( moc: is:1030 gr: 280-520 w ) , 2 nos. bearings 22222k fitted in plummer block snh-522 , track wheel shaft assembly ( drive ) consist of shaft ( 2770 mm length x 110 mm dia., moc:en-19 / 709m40 bs:970 ) , 2 nos. double flange wheel of dia. 500mm ( moc: is:1030 gr: 280-520 w ) , 2 nos. bearings 22222k fitted in plummer block snh-522