supply of supply & fitment of bearing, part no.ohe- 4-1-std/21 or equivalent, gasket unit, lube oil filter, part no.80000561 or equivalent, bearing with dismantling, commissioning by hydraulic and testing. , supply & fitment of bearing, part no.ohe- 4-1-std/21 or equivalent, gasket unit, lube oil filte r, part no.80000561 or equivalent, bearing with dismantling, commissioning by hydraulic and testing. [ wa rranty period: 30 months after the date of delivery ] ] , supply & fitment of helical gear assy.pt.no.ohe-4-1-3/09, with dismantling, commissioning b y hydraulic press & testing. [ warranty period: 30 months after the date of delivery ] ]