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Product Advantage
In track/walking systems, support rollers typically play the following roles:
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Support and Bearing The support roller allows the part of the track or chain on it to have rolling contact with the bottom plate or guide rail, thereby dispersing the load and reducing the suspended span and tension of the track or chain. | Guiding/Guiding Ensure that the track/chain travels along the predetermined path without easily deviating or running off track. | Shock absorption and buffering In rough terrain, obstacles, and bumpy roads, the support rollers can share some of the impact force and protect the track and chassis structure. | As a structural connection point If the support roller is installed on a bracket/frame, its "welded" part plays a role in structural connection, fixation, and positioning“ |

Technical Parameters
The Support Roller Weld is a specialized component designed for FM World Combine Harvester units, featuring a precision-engineered welded connection structure that ensures strong structural integrity and stable performance. Constructed with high-grade materials, the roller body boasts excellent wear resistance, while its welded joints are crafted to withstand mechanical stress and fatigue, making it ideal for long-term use in agricultural settings. The assembly is equipped with high-performance bearings that facilitate smooth rolling motion, paired with protective seals to shield internal parts from dust, moisture, and debris. Compatible with the chassis walking mechanism of FM World 102 Hp models, the welded support roller offers seamless integration, with dimensions tailored to match the harvester’s track and frame specifications for reliable load-bearing and guidance.
| ITEMS | DESCRIPTION |
| Code | W2.5DX-03C-06-01-00 |
| Size(mm) | Φ:185 φ:65 H:80 |
| Weight(kg) | 2.7 |
Product Uses
The Support Roller Weld shines in challenging agricultural environments, providing consistent support and stability for FM World Combine Harvester operations on rough, uneven, or debris-strewn fields. Its robust welded structure and impact-resistant design allow it to handle the rigors of off-road movement, ensuring the harvester maintains traction and control even in harsh conditions.
Serving as a critical guide for the harvester’s track or chain, the component ensures precise movement along predetermined paths, preventing derailment and reducing wear on both the track and chassis. By enabling rolling contact between the track and the roller, it minimizes friction, disperses load evenly, and extends the service life of key walking system components.
Beyond its guiding and supporting functions, the welded support roller acts as a structural connection point, securing the roller to the harvester’s bracket or frame with its durable welded joints. This design not only enhances the overall stability of the chassis but also effectively disperses the machine’s weight, reducing stress on individual components and improving overall operational efficiency.

Product Operate Guide
Regularly lubricate the bearings of the Support Roller Weld to ensure smooth rotation and prevent seizing. Choose lubricants specifically formulated for agricultural machinery, applying the appropriate amount at recommended intervals to reduce friction between moving parts and protect against corrosion.
Perform visual and non-destructive inspections of the welded connection structure to detect cracks, peeling, or deformation. Early identification of weld issues is crucial, as compromised joints can lead to component failure and safety hazards during operation. Address any defects promptly through professional repair or replacement.
Keep the Support Roller Weld and surrounding areas free from soil, sand, straw, and other debris that can accumulate and hinder performance. Use appropriate tools to clean the roller body, seals, and welded joints regularly, as debris buildup can cause jamming, increase wear, or damage the sealing structure.
Operate the FM World Combine Harvester within recommended load limits to prevent excessive stress on the Support Roller Weld. Avoid abrupt impacts or driving over large obstacles whenever possible, as overload and sudden forces can deform the welded structure, damage bearings, or shorten the component’s lifespan.





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