CATBearing & Bushing

3W2420 Bearing — Cat 561M 561n

This bearing is designed to support rotating shafts and reduce friction within various mechanical systems, such as transmissions or final drives. It is manufactured to meet stringent OEM quality standards, offering superior load-carrying capacity and durability compared to a worn bearing that may exhibit brinelling or surface degradation. Operators might notice increased noise, vibration, or a binding sensation during operation when this bearing begins to fail.

Bearing – Part No 3W2420 – 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 TypeBall Bearing
MaterialHardened Steel
ApplicationTransmission, final drive, or other rotating component
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing bearing may first manifest as an audible whining or grinding noise that changes with speed. If ignored, the bearing can seize, leading to shaft damage and potential loss of function in the affected drivetrain component. Continued operation with a damaged bearing risks severe damage to associated gears and shafts.

Installation Tip

Ensure the bearing housing and shaft are thoroughly cleaned before installation to prevent contamination. Avoid applying excessive heat or force during installation, as this can damage the bearing races or seals.

Service Note

Inspect the shaft and housing for any signs of wear, pitting, or scoring that may have contributed to the original bearing failure.