CATBearing & Bushing

3K2144 Bearing — Cat 320C 320D

This is a robust bearing engineered to withstand the demanding conditions of excavator and loader applications, crucial for maintaining the integrity of rotating assemblies. It is manufactured to meet Caterpillar's rigorous standards, offering superior load capacity and longevity over a worn-out component. Operators might observe abnormal noises, excessive heat, or a noticeable decrease in machine responsiveness as this bearing fails.

Bearing – Part No 3K2144 – 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 TypeBall Bearing
MaterialHardened Steel
ApplicationExcavator and Loader drive systems
Service LifeReplace based on inspection or 4,000-6,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 3K2144 bearing may first present as a distinct humming or grinding noise during operation. As wear progresses, this noise will intensify, accompanied by increased vibration and potential overheating of the affected component. Ignoring these symptoms can lead to severe damage to the shaft and housing, resulting in costly repairs and extended equipment downtime.

Installation Tip

Before installing, ensure the bearing seat is perfectly clean and free from any burrs or foreign material. Do not apply heat to the bearing itself unless specifically instructed by service documentation; heat the housing instead.

Service Note

When replacing the 3K2144 bearing, it is advisable to inspect the adjacent shaft surfaces and any associated seals for wear or damage.