supply of kit of normal size roller bearing as per item description.kit of normal size roller bearing as per item description.,kit of normal size roller bearing of nei make with thrust pad comprising of-- (i) thrower- ref.-3= 1 no. (ii) normal size inner racer of rb 5020= 2nos. (iii) normal size inner distances piece-ref.-4= 1 no.(iv) clamping plate-ref.23= 1 no. to neis drg. no.- x 171for wag7 locos. firms offer: each set wil l consist of:(1) thrower to nei drg. no.x-207 rev nil or latestpart no. 3= 1 no. (2) plain inner race rb5020 to neidrg. no.x-207 rev nil or latest= 2 nos. (3) innerdistance piece to nei drg. no. x-207 rev nil or latestpart no. 4= 1 no. (4) clamping plate to nei drg. no. x-207 rev nil or latest part no. 23= 1 no. ,make brand -nbc. [ warranty period: 30 months after the date of delivery ] ]