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Hebei Hankai hydraulic cylinder repair kits
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In addition to material, oil seals are also categorized based on their design and construction. The most common types include lip seals, mechanical seals, and hydraulic seals, each designed for specific applications and conditions. Lip seals are the most basic type and consist of a flexible lip that contacts the shaft to prevent leakage. Mechanical seals, on the other hand, utilize a rotary or stationary face to create a seal, while hydraulic seals are used in hydraulic systems to prevent fluid from leaking

20 35 7 oil seal.

20 35 7 oil seal.
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In addition to keeping oil inside the hub, the rear hub oil seal also prevents debris from entering the hub. Dirt, dust, and other contaminants can cause damage to the hub bearings and other components if they are allowed inside. The oil seal creates a tight seal around the hub, keeping these harmful particles out and preserving the integrity of the hub assembly.