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2459951
CAT
2459951
This Track Roller is a core load-bearing component designed for the undercarriage travel systems of heavy-duty tracked machinery, including excavators, bulldozers, and tracked loaders. As the primary support for the machine's total weight, it is responsible for supporting the equipment and guiding the track to move stably along the travel path, ensuring reliable operation under heavy-duty and harsh working conditions such as mining and construction sites.
High-Strength Forged/Cast Body:
The roller body is manufactured from high-strength alloy steel or cast steel using an integral forging or precision casting process. The internal structure is dense and defect-free, with strength and toughness far superior to ordinary carbon steel parts. This provides exceptional impact resistance, effectively preventing cracking caused by drops or rough terrain.
Hardened & Polished Raceway:
The raceway surface undergoes high-frequency quenching followed by precision polishing. This process achieves extremely high surface hardness and excellent wear resistance, effectively resisting the crushing force of track links and the cutting action of sand and gravel, significantly extending service life.
Tough Alloy Steel Shaft:
The shaft body is forged from high-quality alloy steel and quenched & tempered. It offers strong fatigue and impact resistance, ensuring it does not easily deform or crack under long-term, high-intensity operational stress.
Sealed Lubrication Structure:
The internal structure utilizes a sealed lubrication system with high-quality oil seals and grease. This design effectively prevents the intrusion of sediment and water while retaining internal lubricant, ensuring the bearings remain well-lubricated even in dusty and wet environments, thus reducing maintenance frequency.
Yellow Anti-Corrosion Coating:
The surface is treated with yellow anti-corrosion spray paint, offering strong adhesion, weather resistance, and corrosion resistance. This effectively protects against moisture, dust, and corrosive media, preventing performance degradation due to rust.
Standard Fit – Direct Replacement:
The product dimensions conform to industry-standard specifications, allowing for direct replacement without additional modification. This simplifies the repair process, drastically reducing equipment downtime.
Parameter | Specification |
|---|---|
Product Type | Track Roller / Bottom Roller |
Roller Material | High-Strength Alloy Steel / Cast Steel |
Shaft Material | High-Quality Alloy Steel (Q&T) |
Surface Treatment | Induction Hardened Raceway + Yellow Paint |
Lubrication System | Sealed Lubrication (High-Quality Seals & Grease) |
Key Properties | High Load Capacity, Impact Resistant, Wear Resistant |
Mining: Chassis support for large mining excavators and bulldozers.
Construction: Tracked equipment in earthmoving and infrastructure projects.
Water Conservancy: Walking systems for dredgers and dam reinforcement machinery.
Forestry/Agriculture: Heavy-duty tracked harvesters and transporters.
We strictly adhere to heavy-duty undercarriage manufacturing standards. Every track roller undergoes pressure testing and rotational flexibility checks before dispatch to ensure zero leakage and smooth operation. We maintain a comprehensive inventory covering various standard specifications to meet diverse equipment needs.
Installation Recommendation:
Clean the axle seat of oil and debris before installation. Tighten the fixing bolts to the specified torque. During the initial test run, monitor the roller for abnormal heat or noise to ensure the sealing system is functioning correctly.
