CATBearing & Bushing

3332917 Bearing — Cat 320D

This is a high-performance bearing engineered to withstand the demanding conditions of excavator swing or travel systems. It is manufactured to meet Caterpillar's rigorous material and dimensional tolerances, providing exceptional durability and smooth rotational movement. Operators may detect increased noise, vibration, or sluggishness in the swing or travel function when this bearing is compromised.

Bearing – Part No 3332917 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeExcavator Swing/Travel Bearing
MaterialHardened steel alloy
ApplicationExcavator Swing/Travel System
Service LifeReplace based on inspection or 3,000-5,000 hrs
CompatibilityCAT 3332917
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early failure signs can include a distinct grinding or squealing noise during swing or travel operations. If not addressed, this can progress to jerky movements or a complete loss of function in the affected system. Ignoring these symptoms risks damage to the swing gear or final drive components.

Installation Tip

Thoroughly clean the mounting surfaces and ensure the bearing's lubrication passages are clear before installation. Avoid hammering or forcing the bearing into place, as this can damage the bearing's internal structure.

Service Note

Inspect the swing gear teeth or travel drive sprockets and gears for wear or damage when replacing this bearing.