procurement of different bearing for running maintenance at ahp, stg-i & stg-ii, sgtpp. , bearing no. 22220e , bearing no 6413 c3 , bearing, deep groove ball, 6308 c3 # , bearing spherical roller 22317 ek , bearing no. nu313 ecj / ecm , bearing, cylindrical roller, nu 312 # , bearing, deep groove ball, 6308 , bearing no:6311zz , bearing, deep groove ball, 6306 , bearing cup 6580 usa, cone 6535 ( k26 ) usa , bearing no, 7216b , bearing, spherical roller, 22217ccw33 # for ash handling plant sgtpp1# for ash handling plant sgtpp1 , bearing no 22212e , bearing, 3307 , bearing no. 22220e , bearing, cylindrical roller nu214 ecp / c3 # , bearing no. 22216e , bearing no 22212e , bearing no. 3309 , bearing 30306 , bearing no 22213 , bearing, cylindrical roller, nu 309 # , bearing, deep groove ball, 6003 2z => limited