CATBearing & Bushing

3T4307 Bearing — Cat 30/30 434e

This is a robust bearing engineered to handle significant loads and reduce friction in critical drivetrain and undercarriage systems of Caterpillar equipment. Manufactured to meet rigorous OEM specifications, it offers superior longevity and operational integrity over a worn bearing that would exhibit increased play and noise. Operators might observe unusual heat buildup, audible grinding sounds, or a noticeable wobble in the affected component when this bearing is compromised.

Bearing – Part No 3T4307 – 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 TypeTapered Roller Bearing
MaterialHardened Steel
ApplicationUndercarriage, Power Train
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 3T4307 bearing will typically first manifest as a distinct whining or grinding noise that changes with load or speed. Continued operation will lead to increased vibration and potential binding of the component, which could compromise the integrity of the entire drive system. This can result in significant operational disruption and costly repairs.

Installation Tip

Properly clean and inspect the shaft and housing for any imperfections or wear before attempting to install the new bearing. Ensure the bearing is seated squarely and avoid cocking it during the installation process.

Service Note

When replacing the 3T4307 bearing, it is essential to inspect the associated seals, shaft, and housing for any signs of wear or contamination.