CATBearing & Bushing

8J1620 Bearing — Cat 120g 130g

This is a robust bearing engineered to provide smooth rotational movement and support significant radial and axial loads in heavy machinery. Manufactured to meet Caterpillar's rigorous quality specifications, it offers superior longevity and reliability over worn parts that may exhibit play or noise. Operators might observe increased vibration, audible grinding, or a noticeable decrease in the efficiency of the affected system when this bearing is failing.

Bearing – Part No 8J1620 – 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 TypeRoller Bearing
MaterialSteel Alloy
ApplicationWheel hubs, drive shafts
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early failure symptoms can include humming or grinding noises during operation and localized heat buildup. If ignored, the bearing can seize, leading to restricted movement or complete immobilization of the component. This poses a risk of damage to the surrounding drivetrain components.

Installation Tip

Always ensure the bearing seat is meticulously clean and free from any burrs or debris before attempting installation. Never use a hammer or pry bar to force the bearing into its housing, as this can cause irreparable damage to the races.

Service Note

Inspect the shaft and housing for any signs of scoring or wear that may have contributed to the bearing's premature failure.