CATBearing & Bushing

8J9926 Bearing — Cat 631D 631e

This is a replacement bearing, a vital component engineered to minimize friction and support loads in rotating assemblies. It is manufactured to meet exacting standards, providing consistent performance and longevity, unlike a worn bearing which will generate excessive heat and noise. Operators may experience increased vibration, audible grinding, or a noticeable decrease in the efficiency of the affected system.

Bearing – Part No 8J9926 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

dispatch before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

6P7625
Bearing
2s0669
Bearing Needle
3K5595
Bearing-Outer
4F1999
1B3909
9J1676
Bearing
7P3454
Bearing

Browse all CAT Bearing Bushing →

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
ApplicationShaft and rotating components
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing bearing often begins with subtle signs like increased operational noise, such as a humming or grinding sound, and potentially localized heat. If not addressed, the bearing's internal friction will escalate, leading to reduced system efficiency and possible seizure of the rotating part. This can cause significant operational disruptions and potential damage to related components.

Installation Tip

Ensure the shaft and the bearing bore are perfectly clean and free of any debris before attempting installation. Avoid using excessive force or hammering, as this can damage the bearing's delicate internal structure.

Service Note

Inspect the shaft for any scoring or wear, and check the condition of the bearing housing for deformation or damage.