CATEngine Parts

2276087 Gear Gr - Swing Bearing — Cat 325C 225D

This is a gear ring for the swing bearing system, crucial for enabling smooth and controlled rotation of the upper structure on excavators. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged components. Operators may notice increased play, jerky swing movements, or audible grinding noises when this gear ring begins to fail.

Gear Gr - Swing Bearing – Part No 2276087 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSwing Bearing Gear Ring
MaterialHardened Steel
ApplicationSwing Bearing System
Service LifeReplace based on inspection for wear or damage
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a slight increase in swing resistance or minor play in the upper structure rotation. If ignored, the issue can progress to noticeable jerking during swings and increased noise, potentially leading to premature wear of the swing motor and drive components.

Installation Tip

Ensure the mating surfaces of the swing bearing and the gear ring are thoroughly cleaned and free of debris before installation. Avoid overtightening mounting bolts, as this can distort the gear ring and cause premature wear.

Service Note

Inspect the swing motor pinion gear and the swing bearing raceways for signs of wear or damage during replacement.