Top Side Bearer Liner. Drawing No: Wd-85079 /S-1, Alt-16, Item No. 12. To Ensure The Qualit Y Of The Liners, It Shall Be Ensured That The Top Side Bearer Liner Supplied By The Firm Shall Confirm The Foll Owing Requirements: 1. Dimensional Accuracy. 2. Material Properties W.R.T Is:3885 Pt-I, Gr.-Iv. 3. Hardness 380-420 Bhn. [ Warranty Period: 30 Months After The Date Of Delivery ] ]