Products Description

Product Details

Roller tread that matches the wear state of the chain

Each carrier roller is produced to the same tread profile specification as the original, so when a roller is replaced, the new tread matches the remaining undercarriage components and maintains consistent contact with the existing chain pitch. This prevents uneven load distribution between the new roller and adjacent components, which would otherwise accelerate wear on the new roller.

Tread profile that remains functional throughout the chain wear cycle

As the chain pitch gradually elongates with use, the tread profile maintains effective contact with the chain links over a wider range of pitch change. This allows the carrier roller to continue supporting the upper chain run without the chain riding up on the tread or losing contact prematurely. The support stays functional from the time the chain is new to when it reaches the recommended replacement point.

Rollers that do not require selective matching during installation

Each carrier roller is manufactured within a consistent dimensional tolerance band, so any roller from the same production batch fits any mounting position on the track frame without requiring selective sorting or trial fitting. Installation time is reduced because no time is spent matching rollers to specific positions.

Rollers that allow individual replacement without disturbing adjacent components

When only one or two carrier rollers are worn, they can be replaced individually. The remaining rollers and track frame stay in place, and the new rollers match the existing undercarriage without requiring a full set change. This avoids the cost of discarding rollers that still have service life remaining.

About STONE

Stone is a leading supplier of engineering machinery parts, focusing on providing high-quality parts for mining companies. Since its establishment in 2004, we have been based in Shanghai, China, and have built our own brand STONE, becoming a trusted choice in the industry. We are committed to providing a variety of parts including bulldozers, excavators and wheel loaders for well-known brands such as Caterpillar and Komatsu. Our product line covers a full range of OEM parts, such as Track Chain, Track Rollers, Sprocket, Excavator Buckets, Blades, Excavator Cylinders, Swing Circles, and various electrical and hydraulic components to ensure that our customers' stringent requirements for quality and performance are met.