// Q&A · General
What are the types of industrial rollers used on conveyors and tracked machinery?
Expert Answer
Industrial rollers are commonly grouped by application: conveyor carrying rollers, return rollers, guide rollers, impact rollers, and drive rollers; on tracked machinery, the main undercarriage rollers are track rollers and carrier rollers. The right type depends on load, speed, alignment, material, and the environment they work in.
For conveyors, carrying rollers support the load side of the belt, return rollers support the empty belt, and impact rollers are used where material drops onto the belt. Guide rollers help keep the belt centered, while drive rollers transmit motion. On excavators and dozers, track rollers carry the machine weight on the track chain, and carrier rollers support the upper track run.
When choosing a roller, look at sealing, bearing protection, shaft size, surface coating, and whether the duty is light, standard, or heavy. Wear patterns, noise, heat, and misalignment usually point to the wrong roller type or a maintenance issue. VANROCK supplies rollers and other undercarriage parts for tracked machines through its dealer network, with quotes provided on request. For OEM-branded machines such as Caterpillar or Komatsu, VANROCK is an independent manufacturer and is not affiliated with the OEM.
Answered by VANROCK specialists · Published 10/8/2026
Need This Part?
VANROCK manufactures premium undercarriage parts for 9,000+ machine models
Related Questions
- What is a wheelset on a train or a bogie? →
- What are crawler excavators, and how do they differ from wheeled backhoe loaders? →
- What is the HS code for an excavator sprocket? →
- Why do excavators use tracks instead of wheels? →
- What is an excavator or dozer undercarriage? →
- How deep should you excavate for a foundation footing? →

