supply of nitrile rubber o ring for nut to bearing face.....nitrile rubber o ring for nut to bearing face.....,nitrile rubber o ring for nut to bearing face, size 130 x 5.1 x 4.9 mm having hardness ra nge: 90 shore a. cut type o ring (cut size: 4 mm width and 1.5 mm depth on inner opposite face at 90 degree of o ring) for hydraulic bearing extractor using oil injection method for dismounting of bearing t o with stand the working pressure of 800 - 1000 bars (kg/cm square). item should be suitable to autom atic hydraulic bearing extractor of sumanglam make. make- sumanglam, siloman, elastomech, li ba or equvalent. warranty period : as per ireps terms and conditions. [ warranty period: 30 months after the date of delivery ] ] => limited