In heavy-duty excavators, abnormal vibration, hydraulic noise, or gradual efficiency loss in the travel or pump system often traces back to worn needle roller bearings. Once bearing clearance increases beyond tolerance, it triggers unstable shaft rotation, accelerated internal wear, and in severe cases, secondary damage to the hydraulic pump or travel motor, leading to costly downtime in mining and continuous earthmoving operations.
Item NO.:
4644913Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
| Part Number | 4644913 |
|---|---|
| Part Name | Excavator Bearing |
| Compatible Brand | Hitachi |
| Applicable Models | ZX450 / ZX460 / ZX470 / ZX500LC |
| Application | Excavator |
| Material | High-carbon chromium bearing steel |
| Product Color | Industrial metal finish (anti-corrosion treated) |
| Working Temperature | -30°C to 120°C |
| Key Function | Bearing support for travel motor and hydraulic pump rotation system |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Supports consistent shaft movement under heavy radial loads, reducing deformation risk during continuous excavation cycles.
Improved roller geometry ensures uniform stress distribution, minimizing internal friction and extending service life.
Helps absorb operational impact inside hydraulic systems, improving overall machine smoothness and control accuracy.
FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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