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20 30 7 oil seal

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    The sealing lip is designed to conform to the shaft, creating a tight barrier that minimizes fluid escape. Depending on the application, rotary shaft seals can be designed for various shaft diameters and operating conditions, including temperature extremes and high pressures.


    3. Heat Resistance During operation, wheel bearings can generate significant heat. Quality grease seals are designed to withstand these high temperatures, ensuring that they do not deform or fail, which can lead to grease leakage or contamination.