China HITACHI EX FH100 120-1 TRAVEL DEVICE FINAL DRIVE BEARING (OEM HI 4697840 HI 4178201) | Tonkee®

The final drive bearing is an essential component in the travel system of hydraulic excavators like the Hitachi EX FH100 120-1.

It plays a pivotal role in supporting the rotational movement of the track drive, ensuring the smooth and efficient operation of the machine. This bearing is crucial for maintaining the stability, maneuverability, and overall performance of the excavator during its various applications, including digging, loading, and transportation of materials.

OEM Specifications

The HITACHI EX FH100 120-1 Travel Device Final Drive Bearing is an OEM (Original Equipment Manufacturer) component. This means it is specifically designed and manufactured by Hitachi to meet the exacting standards and specifications required for their excavators. The part numbers HI 4697840 and HI 4178201 are unique identifiers for this bearing, ensuring compatibility and reliability when used in Hitachi equipment.

Construction and Materials

This bearing is engineered with precision and durability in mind. It is typically constructed using high-quality materials, such as specialized alloys and heat-treated steel, to withstand the heavy loads, extreme pressures, and harsh working conditions encountered in construction and excavation operations. These materials are chosen for their resistance to wear and tear, corrosion, and fatigue, ensuring a long service life for the bearing.

Lubrication and Sealing

Proper lubrication is essential to reduce friction and wear within the bearing, and it helps to dissipate heat generated during operation.

Many OEM bearings, including the HITACHI EX FH100 120-1 Travel Device Final Drive Bearing, feature advanced sealing mechanisms that prevent contaminants like dirt, dust, and moisture from entering the bearing assembly. This protection extends the life of the bearing and reduces maintenance requirements.

Precision Manufacturing

The manufacturing process of this bearing involves precision machining and quality control measures. The components are machined to exact tolerances, ensuring a proper fit within the final drive assembly. Quality control inspections are conducted at various stages of production to identify any defects or deviations from specifications, guaranteeing the reliability and performance of the final product.

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