Idlers and rollers
Belt tracking idlers
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Idlers and rollers Prime Tracker belt tracking idler Prime Tracker is a belt tracking idler for the return strand. It stays passive while the belt runs true and corrects it with little force when it drifts. Product details
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Idlers and rollers Three-roll tracking frame The three-roll tracking frame consists of three rubber-ringed rollers, side mounting brackets and a carrier body that is adjustable in length. Product details
Selection guide
The products differ by their place on the line and their role.
| Product | Place on the line | Role |
|---|---|---|
| Return strand | Tracking that acts when the belt moves off centre | |
![]() | Return strand | Three-roll frame with rubber rings |
Place on the line: Return strand
Mistracking (the belt running off to one side) damages the belt edges; material that falls onto the inner face of the return belt can get into the tail pulley and idlers.
Supporting services
Frequently asked questions
For questions specific to your line, you can contact our technical team.
Which products are in the idlers and rollers range?
- Prime Tracker belt tracking idler: Tracking that acts when the belt moves off centre
- Three-roll tracking frame: Three-roll frame with rubber rings
Where on a conveyor line are belt tracking products used?
They work at these sections of the line:
- Return strand: Mistracking (the belt running off to one side) damages the belt edges; material that falls onto the inner face of the return belt can get into the tail pulley and idlers.
Which problems do belt tracking products address?
- Material spillage: Material leaving the belt at the loading point
- Belt mistracking: A belt off centre with damaged edges
How do I choose between the belt tracking products?
The products differ by their place on the line and their role:
- Prime Tracker belt tracking idler (Return strand): Tracking that acts when the belt moves off centre
- Three-roll tracking frame (Return strand): Three-roll frame with rubber rings
You can request a site survey to determine the right product for your line together.
Which industries use belt tracking products?
They are recommended for cement plants, mines and quarries, iron and steel plants, thermal power plants, ports, chemical and fertiliser plants, recycling plants, the construction industry, the logistics industry and the agriculture industry.
How do I get a quote for belt tracking products?
Choose the product group and the product in the quote form or call 444 32 74. Your belt width, belt speed and the material carried help determine the suitable model.
How do I get the datasheet of a belt tracking product?
Fill in the short form in the Technical information section of each product page with your name, company and email to request the datasheet. The datasheet and the suitable model are sent by email.
Can Prime Tracker be used on lines running in reverse?
Yes. Prime Tracker can also be used on lines running in reverse.

















