CATBearing & Bushing

8H8819 Bearing-Inner — Cat 231D 235D

This is an inner bearing, crucial for supporting rotational components and maintaining precise alignment within heavy machinery. Manufactured to meet rigorous OEM quality standards, it offers superior load capacity and longevity over a worn part. Operators might observe increased friction, unusual noises, or a loss of rotational smoothness when this bearing starts to degrade.

Bearing-Inner – Part No 8H8819 – 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 TypeInner Bearing
MaterialHardened Steel
ApplicationWheel hub or axle assembly
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing inner bearing may first present as a humming or grinding sound that changes with vehicle speed. If ignored, this noise will escalate, and the wheel may develop excessive play or wobble. Continued operation risks bearing disintegration, potentially leading to wheel detachment or axle damage.

Installation Tip

Ensure the bearing seat on the axle shaft and in the hub is perfectly clean and free of burrs. Press the bearing onto the shaft carefully and squarely to avoid damaging the inner race.

Service Note

Replace the outer bearing and all associated seals whenever the inner bearing is serviced.