CATBearing & Bushing

1450168 Main Bearing — Cat Engine: 3114 3116

This is a precision-engineered main bearing set designed to support the crankshaft within the engine block, ensuring proper alignment and minimal friction. Manufactured to meet stringent CTP aftermarket standards, it provides superior wear resistance and durability compared to worn or damaged bearings. Operators may notice increased engine noise, oil pressure fluctuations, or a loss of engine power when these main bearings begin to fail.

Main Bearing – Part No 1450168 – 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 TypeEngine Main Bearing Set
MaterialTri-metal overlay on steel backing
ApplicationEngine crankshaft support
Service LifeReplace during engine overhaul or 8,000-10,000 hrs
CompatibilityCAT 3114, 3116, 3126, 3126B, 3126E
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial failure signs can include a deep knocking sound from the engine, especially under load, and a drop in oil pressure. If ignored, bearing material can break away, causing severe crankshaft and block damage. Continued operation risks catastrophic engine internal failure.

Installation Tip

Ensure all crankshaft journals and bearing bores are meticulously cleaned and inspected for any imperfections before installing the new bearings. Never reuse old bearing bolts; always use new ones with the correct torque specifications.

Service Note

When replacing main bearings, it is essential to inspect the crankshaft for straightness and wear, and also replace rod bearings and oil pump components.