CATBearing & Bushing

4D7995 2D6513 — Cat 621 623

This bearing serves a critical function in supporting rotating components within heavy machinery, ensuring smooth operation and load distribution. Manufactured to meet stringent Caterpillar standards, it offers superior wear resistance and longevity compared to a compromised bearing. Operators may experience increased noise, vibration, or a noticeable drag if this bearing is nearing the end of its service life.

2D6513 – Part No 4D7995 – 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
MaterialSteel alloy
ApplicationPower train or drive axle
Service LifeReplace as needed based on inspection
CompatibilityOEM cross-reference 2D6513
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing bearing might initially manifest as a low-frequency rumble or whine that changes with speed. If ignored, this noise will escalate, and excessive play can develop, potentially leading to misalignment and damage to shafts or gears. Continued operation risks component seizure and unplanned downtime.

Installation Tip

Ensure the bearing bore is perfectly clean and free of any debris or old lubricant before installation. Press the bearing in using a proper bearing installer to ensure it seats evenly.

Service Note

Inspect the shaft and seal surfaces for wear or damage that could lead to premature bearing failure.