supply of backing ring for ctrb.backing ring for ctrb.,backing ring for ctrb, class e 6x 11 (narrow jaw) . drawing no:- wd - 92089 - s - 0 1, alt. 1, item no. 9 to m/s timken part no. k150050. spec. no.:- ab / rb - 40 - 2016 (rev. 2) (as per d y. cme/p, judw letter no. 197-s/207/prod./judw dt: 28.05.2024). guarantee: shall be guaranteed for satisfactory performance for a period of 48 months after supply or 36 months after putting in to servi ce, whichever is earlier. (for details please see specn. no. ab / rb - 40 - 2016, rev. 2) [ warranty pe riod: 48 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]