The RunRight® tensioning roller is primarily used as a back-side belt tensioner. The rollers are available in either plastic or aluminum. The bearings are self-lubricating for longer life. The rollers can be used for applications operating within a -31° to 212°F (-35° to 100°C) temperature range.

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Item #

Description 

Idler Bolt Size

Max RPM

Use with Tensioner Size

Roller Idler Number

N/A RPR 11 PLASTIC ROLLER IDLER, SE11-M N/A M8 N/A 8000 rpm N/A SE11-M N/A R11
N/A RPR 15/18 PLASTIC ROLLER IDLER, SE15/18-M N/A M10 N/A 8000 rpm N/A SE15/18-M N/A R15/18
N/A RPR 27 PLASTIC ROLLER IDLER, SE27-M N/A M12 N/A 6000 rpm N/A SE27-M N/A R27
N/A RPR 38 PLASTIC ROLLER IDLER, SE38-M N/A M16 N/A 5000 rpm N/A SE38-M N/A R38
N/A RPR 45/50 PLASTIC ROLLER IDLER, SE45-M N/A M20 N/A 4500 rpm N/A SE45-M N/A R45
N/A RPR 11-AL ALUMINUM ROLLER IDLER, SE11-M N/A M8 N/A 15000 rpm N/A SE11-M N/A R11
N/A RPR 15/18-AL ALUMINUM ROLLER IDLER, SE15/18-M N/A M10 N/A 15000 rpm N/A SE15/18-M N/A R15/18
N/A RPR 27-AL ALUMINUM ROLLER IDLER, SE27-M N/A M12 N/A 12000 rpm N/A SE27-M N/A R27
N/A RPR 38-AL ALUMINUM ROLLER IDLER, SE38-M N/A M16 N/A 10000 rpm N/A SE38-M N/A R38
N/A RPR 45/50-AL ALUMINUM ROLLER IDLER, SE45-M N/A M20 N/A 8000 rpm N/A SE45-M N/A R45
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