CATBearing & Bushing

7N2581 Bearing — Cat D346 D348

This is a high-performance bearing engineered to ensure reliable operation and support critical loads within CAT D346, D348, and D349 series engines. It is manufactured to meet stringent OEM specifications, offering superior durability and friction reduction compared to a worn bearing. Operators may observe increased engine noise, oil pressure fluctuations, or a general decrease in engine performance when this bearing begins to fail.

Bearing – Part No 7N2581 – 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
MaterialHigh-strength steel alloy
ApplicationEngine internal rotating components (e.g., crankshaft, camshaft)
Service LifeReplace during engine overhaul or based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing bearing may be a subtle increase in engine noise or a slight drop in oil pressure. As the condition worsens, the noise will become more pronounced, potentially accompanied by noticeable vibrations and a reduction in engine power output. Continued operation risks severe engine damage, including crankshaft or connecting rod failure.

Installation Tip

Ensure the bearing journals and the bearing itself are meticulously clean and lightly oiled before installation. Never force the bearing into place; it should seat smoothly with minimal pressure.

Service Note

When replacing this bearing, inspect the crankshaft and connecting rod journals for any signs of scoring, wear, or out-of-roundness.