CATBearing & Bushing

1175553 Bearing — Cat 320B 320C

This bearing is a critical component designed to support loads and facilitate smooth, low-friction rotation within the excavator's powertrain or undercarriage systems. Manufactured to meet stringent CAT specifications, it offers superior wear resistance and operational longevity compared to a worn or damaged bearing. Operators may notice increased noise, vibration, or a degradation in the machine's smooth movement when this bearing begins to fail.

Bearing – Part No 1175553 – 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
ApplicationPowertrain/Undercarriage
Service LifeReplace as needed based on inspection
CompatibilityCAT specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing 1175553 bearing may initially produce a subtle grinding or humming noise that becomes more pronounced under load. If ignored, the noise will escalate, accompanied by increased vibration and potentially erratic operation of the affected system. Continued use risks severe 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 before installation. 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 and lifespan.