CATBearing & Bushing

8N8227-060 Main Bearing — Cat 3306

This is a main bearing, a critical component within an engine's crankshaft system that reduces friction and supports the rotating shaft. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged bearings. Symptoms of a failing main bearing include a persistent knocking or rumbling noise from the engine, especially under load, and potentially a drop in oil pressure.

Main Bearing – Part No 8N8227-060 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

;

Related CAT Parts

From the same category — may also be needed

7W5844
Bearing
1194213
Kit-Gasket
9s3037
Plate-Thrust
6P5173
Guard Group (L.H.)
9F9920
Bushing
8M9315
Bearing

Browse all CAT Bearing Bushing →

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
MaterialTri-metal alloy on steel backing
ApplicationEngine crankshaft support
Service LifeReplace as part of engine overhaul or upon failure detection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A persistent knocking sound originating from the engine block is the first sign of main bearing failure. If ignored, this noise will intensify, potentially leading to increased engine vibration and a noticeable decrease in oil pressure. Continued operation risks severe crankshaft and block damage.

Installation Tip

Ensure the crankshaft and bearing bores are meticulously cleaned before installation to prevent premature wear. Avoid mixing bearing shells from different sets, as they are precision-matched.

Service Note

Always inspect the crankshaft journals for scoring or wear and replace the oil pump if oil pressure issues were present.