 | MC Mud-Proof Combination Oil Seal – Self-Rotating NBR Seal for Rotary Tiller, Anti-Grass & Anti-Leak, No Shaft Damage | Material: Nitrile Butadiene Rubber (NBR) with steel skeleton Color: Black (standard) / Custom colors available Hardness: 70±5 Shore A Temperature Range: -30°C to +120°C Seal Type: MC combined type, inner rotating, double lip with garter spring Key Feature: Self-rotation prevents shaft wear; dual-seal blocks mud, water, grass and oil Application: Rotary tiller blade shaft, agricultural PTO shafts, farm machinery axles Sales Mode: Factory direct wholesale, OEM/ODM, sample orders accepted MOQ: 100 pieces for standard sizes | Rotary | Inner Rotating | NBR FKM PTFE TPEE | View detail » |