CATBearing & Bushing

3K6711 Bearing — Cat 769 772

This is a heavy-duty roller bearing designed to reduce friction and support loads within rotating components of Caterpillar equipment. It is manufactured to meet stringent OEM standards, ensuring superior durability and performance compared to worn or damaged bearings that exhibit increased play and noise. Operators may notice excessive heat generation around the component, audible grinding noises, or reduced rotational speed when this bearing begins to fail.

Bearing – Part No 3K6711 – 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

ispatch before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

7K3005
Guard-Track Guide
7K9533
Bearing
3S8736
Guard Assem. (L.H.)
8N7923- 010
Bearing
1950302
Bearing
5J1187
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 TypeRoller Bearing
MaterialHardened Steel
ApplicationPower train, suspension, or engine components
Service LifeReplace based on inspection or 2,000-4,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a faint grinding noise during operation or slight vibration. If left unaddressed, the bearing can seize, leading to component seizure and potential damage to surrounding parts. Continued operation risks significant downtime and costly repairs to the affected system.

Installation Tip

Ensure the bearing housing and shaft surfaces are meticulously clean before installation to prevent premature wear. Avoid using excessive force or hammering directly on the bearing races during seating, as this can cause internal damage.

Service Note

Inspect the associated seals and lubricant for contamination or degradation when replacing this bearing.