Excavator Bearings for Different Excavator Brands
YNF Machinery has the rolling needle bearings used on the swing gearbox, travel gearbox, and hydraulic pumps for different excavator brands like JCB, HYUNDAI, KOMATSU, SUMITOMO, CATERPILLAR, HITACHI, etc.
Needle bearings are a type of roller bearing that uses cylindrical rollers that are much thinner than their diameter. These rollers have a length that is typically more than four times their diameter. Needle bearings are used in a wide range of applications, including automotive, aerospace, and industrial machinery.
One of the key advantages of needle bearings is their high load-carrying capacity. Due to the large number of rollers in the bearing, they can distribute loads evenly across a large surface area, which helps to reduce wear and tear on the bearing. Additionally, the thin rollers also allow needle bearings to operate at high speeds with minimal friction.

Full Product Range of the Bearings That are Used on the Excavators
Needle bearings come in a variety of designs, including drawn cup needle bearings, radial needle bearings, and thrust needle bearings. Drawn cup needle bearings are typically used in applications where space is limited, such as in automotive transmissions. Radial needle bearings are used in applications where high radial loads are present, such as in industrial machinery. Thrust needle bearings are used in applications where axial loads are present, such as in automotive steering systems.
Overall, needle bearings offer a number of advantages over other types of bearings, including high load-carrying capacity and the ability to operate at high speeds with minimal friction.

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- – Precision manufacturing
- – High-grade materials
- – Smooth and quiet operation
- – Longevity and durabilityYou can consult with a YNF bearing expert or engineer for more specific recommendations based on your application requirements.

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YNF Machinery provides the bearings which are used on the excavator systems. We can confirm the bearings by the dimensions and part numbers. If you are not sure which bearing models your machine needs, just contact YNF.
Bearings are mechanical components that reduce friction between two moving parts. They are used in excavators to support rotating shafts and ensure smooth operation.
There are several types of bearings available for excavators, including ball bearings, roller bearings, and plain bearings.
The best type of bearing for your excavator will depend on factors such as load capacity, speed, and environmental conditions.
To choose the right size of bearing for your excavator, you will need to consider factors such as the diameter and width of the shaft, as well as the load capacity and speed requirements.
Common causes of bearing failure include inadequate lubrication, contamination, and misalignment. Proper maintenance and installation can help prevent these issues.
The frequency of bearing replacement will depend on factors such as usage and environmental conditions. Regular inspections can help identify when replacement is necessary.
Replacing bearings on an excavator can be a complex process that requires specialized knowledge and tools. It is recommended to hire a professional for this task.
The lifespan of bearings on an excavator can vary depending on usage and environmental conditions. However, with proper maintenance and care, they can last for many years.
Proper maintenance and lubrication are key to ensuring the longevity of excavator bearings. Regular inspections, cleaning, and lubrication can help prevent premature wear and failure.