CATBearing & Bushing

1391378 Bearing — Cat 834g 950g

This is a robust bearing designed to handle significant loads and provide smooth rotational movement within the powertrain or undercarriage systems of large CAT equipment. Manufactured to meet stringent OEM specifications, it ensures reliable performance and extended service life, unlike a worn bearing that might exhibit increased friction or noise. Operators may observe reduced machine performance, unusual noises from the drivetrain, or excessive heat buildup in the affected area when this bearing fails.

Bearing – Part No 1391378 – 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
MaterialSteel alloy
ApplicationPowertrain or undercarriage
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of bearing failure may include audible grinding or knocking sounds, increased vibration, and a noticeable decrease in machine responsiveness. If left unaddressed, the bearing can seize, leading to severe damage to shafts, gears, or other drivetrain components, and potentially immobilizing the equipment. Continued operation risks extensive mechanical failure and significant repair costs.

Installation Tip

Thoroughly clean the bearing housing and the shaft to remove all traces of old lubricant and debris before installation. Avoid applying any impact force to the bearing itself; use a proper press or driver to seat it evenly on its designated surface.

Service Note

Inspect the shaft and housing for any signs of wear, scoring, or damage, and check associated seals or lubrication systems for leaks or deterioration.