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Rosta R
Tensioning roller for belt tensioner
- Tensioning roller with ball bearings
- Permanently lubricated
- Temperature -35°C to +100°C

The Rosta R tensioning roller is made of high-quality industrial plastic material with two self-lubricating ball bearings 2 Z.
The Rosta R tensioning roller can be used with all SE chain tensioners.
Type R tensioning roller in several sizes available
- Tensioning roller width 35 mm
- Tensioning roller width 45 mm
- Tensioning roller width 60 mm
- Tensioning roller width 90 mm
- Tensioning roller width 135 mm
Locomotive with Rosta belt tensioner
The belt drive transmission of the miniature locomotive is equipped with a Rosta SE 27 belt tensioner. The customer required an installation as small as possible, and yet the different forces should be transmitted at different speeds with a constant belt tension. A Rosta SE belt tensioner offered the right solution, meeting all the requirements. The belt tensioner prevents clapping of belt and realizes an efficient and reduced noise power transmission.
A classic application of the Rosta belt tensioner, yet in a special, not everyday surrounding.
Cooling system trucks with Rosta
Automatic belt tensioning systems with Rosta rubber suspension elements for a longer service life of the belt in a truck cooling system.
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Support with selection of tensioning roller
ATB Automation supports you for the right choice of your tensioning roller
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Tensioning rollers directly from stock
Rosta tensioning rollers can be delivered from stock



Tensioner devices
ATB Automation supplies tensioning elements of Rosta, based on the unique rubber suspension units, for maintenance-free tensioning of chain drives and belt drives.
More information about tensioner devices.