Crankshaft Oil Seal (ID 0.984", FMC BEAN Series, SKU 1219669) Fabricated from HNBR rubber with spring steel skeleton via compression molding vulcanization, temperature resistance -40°C to 150°C, Shore hardness 80A±3. API 7K certified for FMC BEAN mud pump crankshaft sealing grooves, compressive strength ≥60MPa, 25% enhanced leakage prevention performance.
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