CATBearing & Bushing

8e5488 Bearing — Cat D8N D8R

This is a high-performance bearing designed to manage significant rotational forces and reduce friction within the drivetrain of heavy machinery. It is manufactured to meet rigorous OEM quality standards, providing superior durability and operational life compared to worn or damaged bearings. Operators may experience increased vibration, noise, or a reduction in power transmission efficiency when this bearing begins to fail.

Bearing – Part No 8e5488 – 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 TypeTapered Roller Bearing
MaterialHardened Steel Alloy
ApplicationFinal Drive or Transmission Output Shaft
Service LifeReplace based on inspection or 3,000-5,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first noticeable symptom is often a humming or grinding noise that intensifies with speed or load. If ignored, the bearing can fail completely, leading to a loss of drive and potential damage to gears or shafts. The ultimate risk is a complete drivetrain failure, resulting in significant downtime.

Installation Tip

Ensure the bearing races and the shaft surfaces are perfectly clean and free of any lubricant or debris before seating the bearing. Never use a hammer to drive the bearing into place; use a proper press or driver tool to apply force evenly to the race.

Service Note

Inspect the final drive gears and seals for wear or damage when replacing this bearing.