ItemOil seal.ModelTC, TB, TA, DC, SC, SB &others.MaterialNBR, FPM,SIR, ... .Designing and manufacturing all of Oil Seals, Rubber Gaskets, O-Rings, O-Ring Kits,Rubber Cord and so on.Company Information ... housing to prevent leakage or ingress of fluid and dirt. Seal selection is based on shaft diameter, housing bore diameter and ...