Hot sale HITACHI EX100 120-5 TRAVEL DEVICE FINAL DRIVE NEEDLE ROLLER BEARING PLANETARY 2 (OEM HI 4354289) | Tonkee®

Role in Final Drive Assembly: The final drive assembly in construction machinery is responsible for transmitting power from the hydraulic motor to the tracks or wheels, enabling the machine to move.

The needle roller bearing planetary 2 is an essential component within this assembly.

Needle Roller Bearings: Needle roller bearings are specialized roller bearings that use long, thin cylindrical rollers instead of balls. They are designed to handle high radial loads with minimal space requirements. In the context of the final drive assembly, these needle rollers help distribute and support the load generated during the operation of the machine.

Planetary Gear System: The term "planetary" in the component's name refers to the fact that it is part of a planetary gear system. This system consists of multiple gears, or "planets," that revolve around a central gear, or "sun." The planetary gear system allows for controlled power distribution and torque multiplication, making it crucial for controlling the movement of heavy construction equipment.

OEM Specification: The term "OEM" stands for Original Equipment Manufacturer. OEM parts like the HI 4354289 bearing are designed and manufactured by Hitachi, ensuring compatibility and reliability with their specific machinery models. OEM components are known for their high-quality standards and are trusted by equipment manufacturers and operators alike.

Compatibility: The HI 4354289 bearing is designed to fit perfectly within the final drive assembly of the Hitachi EX100-5 and EX120-5 series excavators.

This compatibility ensures that the component seamlessly integrates with the machine's existing components, maintaining the equipment's performance and reliability.

Materials and Construction: To withstand the rigorous demands of construction equipment, this bearing is constructed from durable materials, often including high-quality steel. The precise machining of the needle rollers and the housing ensures smooth and efficient operation, even under heavy loads and continuous use.

Lubrication: Proper lubrication is essential for the longevity and performance of needle roller bearings. The HI 4354289 bearing is designed to work with the lubrication system of the final drive assembly, ensuring that the rollers and other moving parts are adequately lubricated to minimize friction and wear.

Maintenance and Replacement: Like all components in heavy machinery, the needle roller bearing planetary 2 may eventually require maintenance or replacement due to wear and tear. Regular inspections and adherence to maintenance schedules are essential to prevent unexpected breakdowns and costly repairs.

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