Packing Ring 254 Od X 120 Id X 13 Mm Thick For Wheel Tread Wear To Rdso Dr G.No. Sk-97072, Alt.Nil, Material Confirming To Rdso Specn. No. C-9703 (Uhmwpe Or Nftc) F Or Axle Box Guide Arrangement. [ Warranty Period: 30 Months After The Date Of Delivery ] ]