supply of purchase of set of roller bearing etc.purchase of set of roller bearing etc.,set of roller bearing [nei make] for wag7 loco. each set consists of roller beari ng rb 5020 - 02 nos, inner distance piece - 01 no.,outer dist piece - 01 no. and thrower - 01 no. as p er rdsos drg.no.sk.vl-603 [alt-07]. manufacturers drg.no. x - 207 rev-nil. each set consists of [a] r oller bearing rb 5020 nei drg.no. x-207 rev-nil [sl-21] - 02 nos. [b] outer dist piece nei drg.no. x-2 07 rev-nil - 01 no. [c] inner distance piece nei drg.no. x-207 rev-nil [sl-4] - 01 no. [d] thrower nei drg.no.x-207 rev-nil, [sl-3] - 01 no. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]