supply of set of step size racer for axle boxesset of step size racer for axle boxes,set of step size racer for axle boxes of wap7 locos. set consisting of 4 items as gi ven below: 1) plain inner race step size rb 5088d to nei drg no pesd-6179 rev-nil or latest, qty - 01 no./set 2) lipped inner race step size rb 5088d to nei drg no pesd-6179 rev-nil or latest, qty - 01 no./set 3) angle ring step size to nei drg no pesd- 6179 rev-nil or latest, qty - 01 no./ set 4) e nd cap step size to nei drg no x-202 rev- nil or latest, part no. 5, qty - 01 no./set. of nei make [ w arranty period: 30 months after the date of delivery ] ]