Tender For "guide roller assembly as per wap drg.no.711091610390 for m2&m 10 bucket elevator of sand plant.special condition:-1)material test certificate should be enclose d along with supply for roller tube to is:3601 (item no 3)and for shaft material (item n o 1) 2)the bearing fitted shall be procured from authorized agents and the supply shal l accompany inspection certificate from the bearing manufacturers or their authorize d testing agent preferably incorporating the details of trace abllity of the bearing. ]