... , trains, and so on.Differential Oil Seals, also called Axle Bearing, which is in the bottom of the Underpan. It ... 's used to close the split drive axle and wheel reducer. The output torque is transmitted to ... week5. Products Pictures: 6. Specifications:Item NameDifferential Oil Seals Or Axle SealsSizeCustomized/standard and nonstandardMaterialNBR, EPDM, SILICONE, FFPM, PTFE, etc ...