Undercarriage swing instability and abnormal metal noise are often early indicators of excessive wear in sleeve-type support interfaces, where load transfer becomes uneven and creates localized friction damage. 197-8766 sleeve bearing is designed for CAT 320D, 320DL, and 330D excavators, providing a stable intermediate support layer for swing and structural movement components.
Item NO.:
197-8766Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYSThis bushing functions as a controlled wear interface between moving metallic parts, maintaining alignment accuracy while absorbing micro-shock during rotation and load transition. It is widely used in swing system refurbishment, chassis rebuild work, and structural maintenance of excavators operating in continuous heavy-duty cycles.
| Part Number | 197-8766 |
|---|---|
| Part Name | Sleeve Bearing Bushing |
| Compatible Brand | Caterpillar |
| Applicable Models | CAT 320D / 320DL / 330D |
| Application | Excavator |
| Material | Hardened Alloy Steel / Bronze Composite |
| Product Color | Industrial Bronze / Metallic Finish |
| Working Temperature | -40°C to 150°C |
| Key Function | Wear interface support and rotational alignment stabilization |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Acts as a regulated contact layer to reduce direct metal-to-metal wear in swing movement systems.
Helps distribute localized pressure across a wider surface to minimize deformation risk.
Improves service life under continuous rotation and high-load oscillation conditions.
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