CATBearing & Bushing

1140751 Bearing — Cat 325D

This bearing is designed to reduce friction and support loads in the hydraulic systems or undercarriage of compact and mid-size excavators. Manufactured to exact dimensional and hardness specifications, it provides reliable performance and longevity, unlike a worn bearing that may show signs of spalling or brinelling. Operators might observe a decrease in hydraulic system efficiency, increased noise from the affected component, or premature wear on related parts when this bearing fails.

Bearing – Part No 1140751 – 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
ApplicationHydraulic System/Undercarriage
Service LifeInspect during scheduled maintenance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 1140751 bearing might first present as a subtle whine or increased noise from the hydraulic pump or swing mechanism. If the wear progresses, this noise will become more pronounced, and reduced hydraulic performance or sluggish movement may be observed. Continued operation can lead to damage of the hydraulic pump or other rotating components, resulting in costly repairs.

Installation Tip

Ensure the bearing housing and shaft are perfectly clean and free of any debris or burrs before installation. Use a proper bearing installer tool to apply force evenly to the correct race, avoiding damage to the bearing elements.

Service Note

Inspect the hydraulic fluid for contamination and check the condition of seals and any adjacent rotating components when replacing this bearing.