CATBearing & Bushing

8N7933-040 Bearing — Cat D6600 D7700

This bearing serves as a critical component within the engine's rotating assembly, typically supporting the crankshaft or camshaft. It is manufactured to precise tolerances and material specifications to ensure smooth operation and longevity under high stress. Symptoms of a failing bearing include increased engine noise, such as knocking or rattling, and a potential decrease in oil pressure.

Bearing – Part No 8N7933-040 – 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

3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

7K9686
Bearing
0965625
Bearing
9s3037
Plate-Thrust
7Y6607
Bearing
2493505
Bearing
2P3847
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 Bearing
MaterialSteel-backed babbitt
ApplicationEngine crankshaft/camshaft support
Service LifeReplace based on engine overhaul schedule
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An audible increase in engine noise, such as a distinct knocking or rattling sound, often indicates bearing wear. If left unaddressed, this noise will intensify, and oil pressure may begin to drop, potentially leading to accelerated wear on other engine components. Continued operation risks significant internal engine damage.

Installation Tip

Carefully clean all oil passages leading to the bearing surfaces to prevent contamination during installation. Ensure the bearing shells are properly seated in their respective housings without any rocking motion.

Service Note

When replacing engine bearings, it is crucial to inspect the corresponding journals on the crankshaft or camshaft for any signs of wear or damage.