CATBearing & Bushing

6W8583 Bearing — Cat 966g 966K

This is a high-quality bearing designed to support radial and axial loads, reducing friction in rotating components of Caterpillar wheel loaders and motor graders. Manufactured to meet stringent OEM standards, it offers superior wear resistance and smooth operation compared to a worn bearing that exhibits increased play, noise, and heat. Operators may notice abnormal noises, excessive vibration, or a loss of rotational efficiency when this bearing begins to fail.

Bearing – Part No 6W8583 – 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 TypeBearing
MaterialHardened Steel
ApplicationDrive train or implement system
Service LifeReplace based on inspection or 2,500 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing 6W8583 bearing is often an audible noise, such as a hum, growl, or grinding sound, emanating from the affected component. As the bearing deteriorates, this noise will become louder and more consistent, accompanied by increased vibration and potential heat buildup. Continued operation risks severe damage to the shaft and housing, potentially leading to component seizure and costly repairs.

Installation Tip

Ensure the bearing housing and shaft are perfectly clean and free of any burrs or debris before installation. Press the bearing into its seat or onto the shaft squarely to prevent cocking and potential damage to the races.

Service Note

Inspect the shaft and housing for any signs of wear or damage, and check associated seals for integrity during replacement.