Tenders for Supply of Backing Ring For Ctrb Class E 6 X 11 Narrow Jaw As Per Drg.No. - Wd-92089-S-01 Alt-1, I Tem No- 9 Specn: Drg. No:- Wd-92089-S-01 Alt-1, Item No-9 Spec. No: Ab/Rb-39-2002 Rev-4 With A Mendment No.3.Timken Part Nos. K150050.Backing Ring Without Vent Hole For Ctrb 6X11.Timken Part No. K150050. Warranty Period: 48 Months After The Date Of Delivery