CATBearing & Bushing

1450164 Main Bearing — Cat 120H 120H ES

This is a CAT 1450164 main bearing, crucial for supporting the crankshaft and ensuring proper engine rotation with minimal friction. Manufactured to meet stringent OEM quality standards, it provides superior durability and load-bearing capacity compared to a worn or damaged bearing. Operators may notice a drop in oil pressure, knocking sounds from the engine, or increased engine temperature as signs of a failing main bearing.

Main Bearing – Part No 1450164 – 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 Bearing
MaterialSteel with overlay
ApplicationEngine crankshaft support
Service LifeReplace during engine overhaul or as needed
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing 1450164 main bearing may first be indicated by a persistent knocking or rumbling noise originating from the engine's lower end, especially under load. If ignored, the bearing can disintegrate, leading to severe crankshaft and block damage, resulting in catastrophic engine failure. This necessitates a complete engine rebuild or replacement.

Installation Tip

Thoroughly clean the crankshaft journals and bearing saddles, ensuring no debris remains that could cause premature wear. Apply clean engine oil liberally to the bearing surfaces and the crankshaft journal before installation.

Service Note

Inspect the crankshaft journals for scoring, wear, or out-of-roundness, and check the oil pump and oil filter for any signs of metal debris.