Hebei Hankai double lip oil seal

Wheel bearing grease seals, often referred to simply as grease seals, are fitted between the stationary and rotating parts of a wheel bearing assembly. They create a barrier that prevents grease from leaking out while simultaneously keeping dirt, dust, moisture, and other contaminants at bay. Typically made from durable materials such as rubber or synthetic compounds, these seals are engineered to withstand high temperatures and pressures, which can occur during operation.

Hub oil seals are specifically designed to prevent the escape of oil from the wheel hub of vehicles. They are typically made from durable materials such as rubber, polyurethane, or composite materials, engineered to withstand the harsh conditions of the automotive environment. These seals fit snugly around the axle or hub, creating a barrier that retains lubricants while keeping dirt, debris, and moisture from entering.