CATBearing & Bushing

5M6126 Bearing Needle — Cat 120g 12g

This is a needle bearing designed for applications requiring high load capacity in a compact space, typically found in transmissions, gearboxes, or linkage systems. It consists of a ring of small, cylindrical rollers that minimize friction and wear between rotating or sliding surfaces, offering precise movement unlike a worn bearing that can lead to play and imprecise operation. Operators might notice increased noise, stiffness in operation, or a loss of smooth engagement when this needle bearing begins to fail.

Bearing Needle – Part No 5M6126 – 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
MaterialSteel alloy
ApplicationTransmission/Linkage
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial signs of a failing needle bearing include increased stiffness or resistance when operating the associated control or gear mechanism, often accompanied by faint scraping noises. As wear progresses, the rollers can become damaged, leading to increased play, imprecise control, and potential binding within the mechanism. Continued operation risks damage to the shaft or housing, leading to component malfunction.

Installation Tip

Thoroughly clean the bore where the needle bearing will be installed, ensuring no debris remains that could interfere with proper seating. Avoid using excessive force or a hammer to drive the bearing; use a properly sized press or driver tool to install it evenly.

Service Note

Inspect the shaft or pin that the needle bearing supports for any signs of wear or damage, and clean the bore meticulously before installation.