CATBearing & Bushing

6J7166 Bearing — Cat D9H

This bearing is specifically designed to manage rotational loads and reduce friction within the heavy-duty systems of large crawler tractors, such as the final drive or track components. Manufactured with high-precision grinding and hardened steel, it offers exceptional durability and load-carrying capability, outperforming a worn bearing that exhibits surface damage or excessive play. Operators may observe increased track noise, sluggishness in turning, or overheating of the final drive housing when this bearing begins to degrade.

Bearing – Part No 6J7166 – 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

patch before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

8M9315
Bearing
1N4317
Bearing
1b3950
1B3955
5D6296
5D6298
2V4376
Universal Joint Gp
6J9764
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 TypeBearing
MaterialHardened Steel
ApplicationFinal Drive/Track System
Service LifeInspect during scheduled maintenance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing 6J7166 bearing might include a subtle increase in track noise or a slight stiffness when turning. If the issue progresses, these sounds will become more pronounced, and the final drive may generate noticeable heat. Continued operation risks severe damage to the final drive gears and housing, potentially immobilizing the tractor.

Installation Tip

Thoroughly clean the bearing seat in the housing and the shaft surface to ensure proper fit and prevent contamination. Use a hydraulic press or appropriate driver to install the bearing, ensuring it seats fully and squarely.

Service Note

Inspect the final drive oil for metal particles and check the condition of adjacent gears and seals when replacing this bearing.