CATBearing & Bushing

6D3886 Bearing-Needle — Cat 12F 12g

This needle bearing is designed to accommodate high radial loads in a compact space, allowing for smooth rotational movement between components. It is manufactured to meet stringent OEM quality standards, offering superior load-carrying capacity and wear resistance over a compromised bearing. Operators may notice increased noise, vibration, or binding in the affected mechanism when this bearing begins to fail.

Bearing-Needle – Part No 6D3886 – 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 TypeNeedle Bearing
MaterialHardened steel
ApplicationHigh-load rotational interfaces
Service LifeReplace based on inspection or 3,000 hrs
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing needle bearing may first manifest as a high-pitched whine or grinding noise, especially under load. If ignored, the needle rollers can spall or seize, leading to restricted movement or complete jamming of the affected assembly. This can result in damage to the shaft and housing, requiring more extensive repairs.

Installation Tip

Carefully inspect the shaft and housing for any imperfections that could damage the needle rollers during installation. Ensure the bearing is pressed in squarely to avoid cocking and premature failure.

Service Note

Check the lubrication system feeding this bearing and inspect the shaft for wear or damage that could compromise the new bearing's function.