CATBearing & Bushing

1450162 Main Bearing — Cat 120H 120H ES

This is a main engine bearing designed to support the crankshaft within the engine block, reducing friction and wear in the rotating assembly. It is manufactured to meet stringent OEM standards, offering superior durability and performance compared to a worn bearing that has lost its precise clearance and lubrication film. Operators may notice increased engine noise, oil pressure drops, or a general loss of engine power when these bearings begin to fail.

Main Bearing – Part No 1450162 – 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 TypeMain Engine Bearing
MaterialSteel-backed babbitt
ApplicationEngine crankshaft support
Service LifeReplace based on engine overhaul schedule
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of main bearing failure may include a persistent knocking or rumbling noise from the engine, particularly under load. If ignored, this can progress to a significant drop in oil pressure and increased engine vibration. Continued operation risks severe crankshaft and engine block damage.

Installation Tip

Ensure the crankshaft journals and bearing bores are meticulously cleaned before installation to prevent premature wear. Avoid mixing up the upper and lower bearing shells, as they are designed for specific positions.

Service Note

Inspect the crankshaft journals for scoring or wear, and check the connecting rod bearings for signs of damage.