CATBearing & Bushing

4450280 Bearing — Cat 907H 907H2

This bearing serves as a crucial element in supporting rotational motion and reducing friction within the machine's operational systems, such as the drive train or implement hydraulics. It is manufactured to meet exacting CAT standards for durability and performance, offering superior resistance to wear and contamination compared to a degraded bearing. Operators may observe increased noise, vibration, or a loss of smooth operation in the affected system when this bearing begins to fail.

Bearing – Part No 4450280 – 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 TypeSealed Ball Bearing
MaterialHigh-Carbon Chromium Steel
ApplicationDrive train/Hydraulic system
Service LifeReplace as needed based on inspection
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 4450280 bearing might first manifest as a subtle humming or grinding noise that becomes more apparent under load. If ignored, the noise will escalate, accompanied by increased vibration and potentially erratic operation of the affected system. Continued use risks damage to the shaft or housing, leading to significant repair costs and operational downtime.

Installation Tip

Ensure the bearing seat is meticulously clean and free of any debris or burrs that could interfere with proper seating. Never apply force to the outer race when pressing the bearing; ensure force is applied evenly to the inner race or the component it fits into.

Service Note

Inspect the seals and the shaft or housing for any signs of wear or damage that could affect the new bearing's performance.