CATEngine Parts

333-8027 Roller Bearing — Cat M313D M315D2

This roller bearing is a critical component within engine assemblies, designed to reduce friction and support radial loads between rotating parts. Manufactured to precise OEM standards, it ensures smooth operation and longevity, unlike a worn bearing which exhibits increased play and heat. Symptoms of a failing roller bearing include abnormal noise, excessive vibration, and a noticeable decrease in engine performance.

Roller Bearing – Part No 333-8027 – 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 TypeRoller Bearing
MaterialHardened Steel
ApplicationEngine rotating assembly support
Service LifeReplace every 4,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing roller bearing is often a distinct grinding or humming noise emanating from the engine. As the bearing degrades, this noise will intensify, accompanied by increased vibration and potential overheating of the affected area. Continued operation risks bearing seizure, which can cause severe damage to the shaft and surrounding engine components.

Installation Tip

Ensure the bearing housing and shaft surfaces are perfectly clean and free from any burrs or contaminants before attempting installation. Never use excessive force to press the bearing into its seat, as this can damage the rollers or races.

Service Note

Inspect the shaft for any signs of scoring or wear, and check the lubricant system for proper flow and cleanliness.