CATEngine Parts

2295155 Main Bearing (Thrust) — Cat 120H 120H ES

This main thrust bearing is essential for managing axial loads within the engine, ensuring the crankshaft maintains proper alignment and reduces friction. Manufactured to precise specifications, it provides superior durability and performance over worn bearings that can lead to excessive crankshaft movement. Operators may notice increased engine noise, oil pressure fluctuations, or a loss of power when this bearing begins to fail.

Main Bearing (Thrust) – Part No 2295155 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeMain Bearing (Thrust)
MaterialSteel alloy with bearing surface
ApplicationEngine crankshaft
Service LifeReplace as needed based on inspection
CompatibilityCTP aftermarket replacement
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial signs of main thrust bearing failure include a knocking sound from the engine, particularly noticeable at idle or under load, and potential fluctuations in oil pressure. If ignored, this can lead to crankshaft damage and severe internal engine issues. Continued operation risks catastrophic engine failure due to loss of crankshaft stability.

Installation Tip

Ensure the crankshaft journals and bearing surfaces are perfectly clean and lubricated with assembly lube before installing the bearings. Never mix and match old and new bearings; replace all main thrust bearings as a set.

Service Note

Inspect the crankshaft journals for scoring or wear and check main bearing clearances during replacement.