Description
What is a Cone Crusher Eccentric Drive Gear?
A cone crusher Eccentric Drive Gear is a critical power transmission component mounted directly onto the eccentric assembly. Its primary function is to mesh with the pinion gear, efficiently converting the high-speed horizontal rotation of the drive motor into the powerful, continuous gyratory motion of the crushing head. A premium Eccentric Drive Gear ensures flawless tooth contact, maximizes crushing torque, and prevents destructive internal transmission wear during high-tonnage aggregate reduction.
Equipment Compatibility & OEM Cross-Reference
Our aftermarket replacement Eccentric Drive Gear components are precision-engineered to be direct-fit upgrades for Metso crushers, significantly lowering your Total Cost of Ownership (TCO) while ensuring zero compatibility issues and maximum transmission efficiency.
| Supported Brands | Applicable Crusher Series | Common OEM Part Numbers |
| Racines | Nordberg HP Series: HP100, HP200, HP300, HP400, HP500, HP800, HP4, HP6 | 7035410600, 1036829652, 1036833869, 1036803301, 1036831535, 1036831560 (Matches standard OEM specifications) |
Core Engineering & Technical Advantages
Because the primary drive train handles continuous, extreme torque during mineral reduction, standard gears can suffer from severe tooth deformation. Our premium Eccentric Drive Gear replacements are proudly manufactured in China to deliver unmatched heavy-duty durability:
High-Alloy Forged Steel: Manufactured from premium forged alloy steel to deliver exceptional tensile strength, preventing tooth shearing under massive aggregate compression loads.
Precision CNC Gear Cutting: Every tooth profile is accurately machined and lapped to guarantee a perfect, zero-defect mesh with the drive pinion, eliminating localized heat buildup.
Advanced Heat Treatment: Undergoes specialized carburizing and quenching processes to create a highly wear-resistant outer tooth surface while maintaining a tough, ductile internal core to absorb heavy vibrations.
Factory-Direct Pricing: Supplied directly from our manufacturing facilities to eliminate middleman markups, offering a high-ROI solution for global mining and aggregate operations.
Maintenance Guidelines: When to Replace Your Eccentric Drive Gear
Operating with severely worn or mismatched drive gears will cause destructive vibration and rapidly destroy the surrounding bronze bearings. We recommend inspecting the Eccentric Drive Gear during routine drive train maintenance:
| Inspection Focus | Warning Signs (Replace Immediately) | Best Practice Solution |
| Gear Tooth Wear | Severe pitting, spalling, or thinned teeth observed on the drive profiles. | Always inspect both the gear and pinion. If tooth profiles are severely degraded, replace the set together to avoid damaging the new component. |
| Vibration & Noise | Heavy howling, mechanical knocking, or abnormal heat generation from the main drive housing. | Check bearing alignment and gear backlash. If teeth are warped from tramp iron impact, swap the gear immediately. |
| Keyway & Bore Integrity | Physical play between the gear bore and the shaft, or visible keyway wall deformation. | Replace the damaged gear to prevent catastrophic slipping and total loss of crushing power. |
Explore More Crusher Drive Train Components
To maintain peak crushing volumetric throughput (TPH), ensure your maintenance inventory is stocked with fully compatible, premium parts. Browse our specific component categories:
Find precision-machined Pinion Shafts and Main Shaft Assemblies for complete Metso HP series rebuilds.
Explore our robust aftermarket spares for Sandvik CH & CS Series Crushers.
View high-performance replacement Upper & Lower Head Bushings and Socket Liners for Metso HP Series Cone Crushers.
