CATBearing & Bushing

4D0918 Bearing — Cat 140 140b

This is a high-performance bearing designed to ensure smooth operation and support loads in critical drive axle or transmission components. Manufactured to meet Caterpillar's rigorous standards, it offers superior wear resistance and longevity compared to a failing bearing that would exhibit increased play and noise. Operators may observe increased vibration, audible grinding, or a loss of drive efficiency when this bearing begins to wear out.

Bearing – Part No 4D0918 – 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 TypeWheel Bearing
MaterialHardened Steel
ApplicationDrive Axle/Transmission
Service LifeReplace based on inspection or 2,000-4,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms may include increased noise from the drive axle or transmission, or a slight increase in operating temperature. If ignored, the bearing can fail completely, leading to shaft damage and potential loss of drive. Continued operation risks severe mechanical damage and significant equipment downtime.

Installation Tip

Ensure the bearing housing and shaft are perfectly clean and free of any imperfections before installing the new bearing. Avoid applying any uneven pressure or hammering on the bearing during installation, as this can damage the races.

Service Note

Inspect the shaft for wear and ensure the bearing bore is clean and free of contaminants before installing the new bearing.