Carrier rollers are cylindrical components in track systems that support and guide the upper track section, reducing friction and wear.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Width | 70-120 mm | |
| Weight | 15-45 kg | |
| Diameter | 150-300 mm | |
| Seal Type | Multi-labyrinth with grease purging | |
| Bearing Type | Double-row tapered roller bearings | |
| Load Capacity | 5-20 tons per roller | |
| Operating Temperature | -40°C to +80°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
The track-based propulsion system of a bulldozer that provides mobility, traction, and weight distribution across terrain.
The mobile base system of a crawler crane that provides stability and mobility through tracked locomotion.
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Carrier rollers support the upper section of tracks on tracked vehicles, reducing friction between the track and frame while maintaining proper track alignment and tension.
Carrier rollers should be inspected every 250-500 operating hours for wear, seal damage, and bearing play, with replacement typically needed after 3,000-5,000 hours depending on operating conditions.
Yes, excessively worn carrier rollers can cause uneven track wear, increased track tension fluctuations, and accelerated wear on sprockets and idlers due to improper track alignment.
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