CATBearing & Bushing

3173911 Bearing — Cat 772

This is a heavy-duty bearing designed to support significant loads within the powertrain or suspension systems of large mining trucks. Manufactured to meet rigorous OEM specifications, it provides exceptional durability and smooth operation, outperforming a worn or damaged bearing. Operators might observe increased noise, vibration, or a reduction in the machine's responsiveness when this bearing begins to fail.

Bearing – Part No 3173911 – 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 TypeHeavy Duty Bearing
MaterialHardened Steel
ApplicationPowertrain / Suspension
Service LifeReplace every 5,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing 3173911 bearing might be an unusual noise or vibration emanating from the affected system. As the failure progresses, this can lead to increased resistance in operation, potential binding, and overheating of the component. Neglecting these symptoms risks significant damage to surrounding drivetrain or suspension parts, leading to costly repairs and extended downtime.

Installation Tip

Ensure the bearing housing and mating surfaces are meticulously cleaned and free of any contaminants before installing the new bearing. Never apply heat directly to the bearing itself; use appropriate induction heaters or press methods.

Service Note

When replacing this bearing, thoroughly inspect the associated seals, shafts, and mounting hardware for any signs of wear or damage.