CATBearing & Bushing

2H3803 Bearing-Roller — Cat 561C 571g

This is a high-performance roller bearing designed to withstand heavy loads and provide smooth rotational movement within the power train or undercarriage of Caterpillar equipment. Manufactured with premium materials and precision engineering, it offers superior longevity and performance compared to a worn bearing showing signs of brinelling or spalling. Operators might experience increased friction, reduced power output, or unusual noises when this bearing begins to fail.

Bearing-Roller – Part No 2H3803 – 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
MaterialHardened Steel Alloy
ApplicationPower Train/Undercarriage
Service LifeReplace as needed based on inspection
CompatibilityCTP aftermarket replacement
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing roller bearing may initially produce a humming or rumbling sound that intensifies with speed and load. If neglected, the rollers or races can fracture, leading to binding and potential damage to surrounding components. Continued operation risks severe drivetrain or undercarriage component failure.

Installation Tip

Ensure the bearing bore and shaft are meticulously cleaned and free of any contaminants before installation. Avoid cocking the bearing during installation, as this can damage the rollers and races.

Service Note

Inspect the adjacent shaft, seals, and housing for any signs of wear or damage during replacement.