Shop HITACHI ZX120 130 HYDRAULIC PUMP OIL SEAL 55 X 35 X 11MM | Tonkee®

The dimensions of the oil seal, 55 x 35 x 11mm, specify its outer diameter, inner diameter, and thickness.

These dimensions are essential to ensure a proper fit and seal within the hydraulic pump assembly. An accurate fit is crucial to prevent any leakage of hydraulic fluid and maintain the hydraulic system's efficiency.

The primary function of the hydraulic pump oil seal is to create a tight barrier between the high-pressure hydraulic fluid and the external environment. Hydraulic pumps generate significant pressure to power various hydraulic components on the excavator, such as the boom, bucket, and arm. Without an effective oil seal, this pressurized hydraulic fluid can escape, leading to a loss of power and responsiveness in the equipment.

The 55 x 35 x 11mm oil seal is designed to withstand the demanding conditions often encountered in construction and excavation applications. It is typically constructed from high-quality materials that are resistant to wear, heat, and hydraulic fluid. This robust construction ensures the oil seal's durability and longevity, reducing the need for frequent replacements and associated maintenance costs.

Proper installation of the oil seal is essential for its effectiveness. The seal is typically installed within the hydraulic pump housing, where it forms a barrier between the rotating shaft of the pump and the stationary housing. This prevents hydraulic fluid from escaping along the pump's shaft and maintains the required pressure within the hydraulic system.

Regular maintenance and inspection of the hydraulic pump oil seal are crucial to detect signs of wear or damage.

Over time, the seal may deteriorate due to exposure to hydraulic fluid, temperature fluctuations, and continuous movement. Any signs of leakage or reduced sealing effectiveness should prompt immediate replacement to prevent further damage to the hydraulic system and maintain equipment performance.

The compatibility of this oil seal with the Hitachi ZX120 and ZX130 series excavators ensures that it meets the manufacturer's specifications and standards. Equipment manufacturers like Hitachi have stringent requirements for components to ensure optimal performance and reliability, and using genuine or compatible parts is essential to maintain warranty coverage and equipment longevity.

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