CATBearing & Bushing

3g1587 Bearing — Cat 320C 320D

This is a high-quality bearing engineered to reduce friction and support loads in critical rotating assemblies of Caterpillar excavators and loaders. Manufactured to precise specifications, it offers superior durability and performance over a worn bearing, which can exhibit increased play or noise. Operators might observe unusual sounds, excessive heat, or reduced component efficiency if this bearing begins to fail.

Bearing – Part No 3g1587 – 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 TypeBearing
MaterialHardened Steel
ApplicationUndercarriage/Powertrain
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 3g1587 bearing may initially present as a distinct grinding or humming noise during operation. If ignored, the wear will accelerate, leading to increased vibration and potential component damage. The ultimate consequence of a failed bearing is the immobilization of the affected track or drive system.

Installation Tip

Before installing, carefully clean the bearing seat in the housing to ensure a precise fit and prevent contamination. Avoid hammering or forcing the bearing into place, as this can damage the delicate internal components.

Service Note

When replacing this bearing, it is advisable to inspect the adjacent shaft or housing for any signs of scoring or wear.