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Hebei Hankai rotary shaft oil seals
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In addition to protecting the bearing from external contaminants, dust seals also help to retain lubricants within the bearing housing. This is important because lubricants help to reduce friction and heat generation within the bearing, which can lead to wear and eventual failure. By keeping the lubricant in place, dust seals help to ensure that the bearing operates smoothly and efficiently

bearing dust seal.

bearing dust seal.
Polyurethane is another popular material used in hydraulic cylinder seal kits. Polyurethane seals are known for their exceptional wear resistance, high flexibility, and excellent sealing properties. These seals are ideal for applications where there is a need for high pressure and high-speed operation. Polyurethane seals are also resistant to abrasion, making them suitable for heavy-duty applications.