CATBearing & Bushing

3T7494 Bearing — Cat D11N D11R

This bearing is a critical component designed to reduce friction and support loads within rotating machinery, typically found in the final drive or transmission systems. Manufactured to meet rigorous quality standards, it ensures smooth operation and longevity, unlike a worn bearing which would generate excessive heat and noise. Operators might observe increased noise levels, reduced power output, or excessive heat emanating from the affected component.

Bearing – Part No 3T7494 – 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
MaterialSteel alloy
ApplicationFinal drive/Transmission
Service LifeReplace every 4,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A worn bearing will initially produce a faint grinding or whining noise that intensifies with speed and load. If left unaddressed, this can lead to increased friction, overheating, and potential seizure of the rotating component. Continued operation risks severe damage to the shaft and housing.

Installation Tip

Ensure the bearing bore and shaft are perfectly clean and free of any debris before installation. Avoid using excessive force or hammering on the bearing during installation, as this can damage the races.

Service Note

When replacing this bearing, inspect the associated shaft, seals, and housing for any signs of wear, scoring, or contamination.