CATBearing & Bushing

3g5521 Bearing — Cat D8L

This is a heavy-duty bearing designed to support rotational loads and reduce friction in critical drivetrain or undercarriage components. Manufactured to precise tolerances, it ensures smooth operation and longevity, unlike a worn bearing that can cause increased resistance and noise. Operators may notice increased vibration, grinding sounds, or a loss of power when this bearing begins to fail.

Bearing – Part No 3g5521 – 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
ApplicationDrivetrain or undercarriage component
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing bearing often first presents as an audible grinding or humming noise that changes with speed or load. As the wear progresses, increased vibration and heat generation will become noticeable at the component. If left unaddressed, the bearing can seize, leading to component seizure and potential drivetrain damage.

Installation Tip

Ensure the bearing housing is thoroughly cleaned and free of any old lubricant or debris. Press the bearing in squarely to prevent cocking and damaging the races.

Service Note

Inspect the shaft or bore for scoring and check adjacent seals for damage when replacing this bearing.