CATEngine Parts

126-0587-6v-8281 Tapered Roller Bearing — Cat 3412 C27

This is a robust tapered roller bearing designed to support heavy axial and radial loads in CAT engine and drive train applications. Manufactured to high precision standards, it ensures smooth rotation and minimal friction, unlike a worn bearing that can generate excessive heat, noise, and play. Operators may observe grinding noises, vibration, or premature wear on shafts and gears when this bearing begins to fail.

Tapered Roller Bearing – Part No 126-0587-6v-8281 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

const P = { partNo:'126-0587-6v-8281', name:'Tapered Roller Bearing', brand:'CAT', brandSlug:'cat', category:'Engine Parts', catSlug:'engine-parts', condition:'OEM Aftermarket', description:'This is a robust tapered roller bearing designed to support heavy axial and radial loads in CAT engine and drive train applications. Manufactured to high precision standards, it ensures smooth rotation and minimal friction, unlike a worn bearing that can generate excessive heat, noise, and play. Operators may observe grinding noises, vibration, or premature wear on shafts and gears when this bearing begins to fail.', xref:['126-0587-6v-8281'], models:["3412", "C27"], specs:[{key:'Part No',val:'126-0587-6v-8281'},{key:'Brand',val:'CAT'},{key:'Category',val:'Engine Parts'},{key:'Condition',val:'Aftermarket — OEM Specification'},{key:'Dispatch',val:'Same-day from Mumbai (before 3 PM IST)'},{key:'GST Invoice',val:'Available — all orders'},{key:'Export Docs',val:'Commercial invoice, packing list, COO'}], relatedParts:[{"partNo": "3398176PK", "name": "Piston Kit", "slug": "3398176PK"}, {"partNo": "1335044lK", "name": "Crown As- Piston", "slug": "1335044lK"}, {"partNo": "161-9927", "name": "Pressure Sensor", "slug": "161-9927"}, {"partNo": "228-1801", "name": "Wiring Harness", "slug": "228-1801"}, {"partNo": "3492568", "name": "Engine Parts Component", "slug": "3492568"}, {"partNo": "2W7980", "name": "Camshaft As", "slug": "2w7980"}], reviews:[{name:'Vikram Singh',loc:'Delhi, India',rating:5,text:'CAT part arrived fast. OEM specification, fits perfectly in my 320D. Highly recommend PTC.'},{name:'Ibrahim Al Rashid',loc:'Dubai, UAE',rating:5,text:'Great service and fast shipping to UAE. The CAT part was exactly as described. Very reliable supplier.'},{name:'Pradeep Sharma',loc:'Nagpur, Maharashtra, India',rating:4,text:'Quick response, good quality. Team confirmed compatibility before dispatch which I appreciated.'}], faq:[{q:'What is the primary advantage of a tapered roller bearing?',a:'Tapered roller bearings are designed to handle combined radial and axial loads efficiently, providing high stiffness and durability.'},{q:'How can I confirm that 126-0587-6v-8281 is the correct bearing for my CAT D10N tractor?',a:'Consult your equipment\'s parts manual for the specific bearing number used in your D10N\'s application or verify against the original bearing\'s markings.'},{q:'What quality assurance is provided for this bearing?',a:'This bearing is manufactured to meet stringent OEM quality and performance standards, ensuring reliable operation.'},{q:'What lubrication is recommended for this bearing during installation?',a:'Apply a thin, even coat of the specified grease to the rollers and raceways before installation to ensure immediate lubrication upon startup.'}], categoryDesc:'CAT Engine Parts from Parts Trading Company cover the full range of CAT equipment. We supply OEM-specification aftermarket engine parts sourced from certified manufacturers. PTC has supplied CAT engine parts to customers across India, UAE, Russia, Indonesia, and Africa since 1956. Our Mumbai warehouse stocks high-turnover CAT engine parts for same-day dispatch before 3 PM IST.', aiSpecs:[{"key": "Part Type", "val": "Tapered Roller Bearing"}, {"key": "Material", "val": "Case-hardened steel"}, {"key": "Application", "val": "Transmission, final drive, or axle assemblies"}, {"key": "Service Life", "val": "Replace during major component rebuilds or as indicated by wear"}, {"key": "Compatibility", "val": "OEM specification"}, {"key": "Condition", "val": "New \u2014 OEM specification aftermarket"}],};script src="/assets/js/product-page.js">

Related CAT Parts

From the same category — may also be needed

3398176PK
Piston Kit
1335044lK
Crown As- Piston
161-9927
Pressure Sensor
228-1801
Wiring Harness
3492568
Engine Parts Component
2W7980
Camshaft As

Browse all CAT Engine Parts →

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeTapered Roller Bearing
MaterialCase-hardened steel
ApplicationTransmission, final drive, or axle assemblies
Service LifeReplace during major component rebuilds or as indicated by wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of bearing failure include unusual noises like humming or grinding, especially under load. If left unaddressed, the bearing can overheat, leading to component damage and potential seizure. The consequence of continued operation is severe damage to surrounding drivetrain components.

Installation Tip

Ensure the bearing housing and shaft are meticulously clean before pressing the bearing into place. Avoid hammering directly on the bearing's outer or inner race; use a proper press and appropriate driver.

Service Note

When replacing a tapered roller bearing, inspect the bearing housing, shaft, and seals for any signs of wear or damage.