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RunRight® RT B tensioners are designed for longer length chain drive applications. They are manufactured with powder metal or cast iron housings, cast iron arms and inner squares, come with the standard Tensys™ 10 rubber inserts, and can be used for applications operating within a -40° to 180°F (-40° to 80°C) temperature range.

Unit of Measure

Specifications

Description 

 N/A RT-B-18-TENSNR MM

Series

 N/A RT B

Type

 N/A Chain/Belt Tensioner

Element Material

 N/A Natural Rubber

Application

 N/A Belt/Chain Tensioner

Contents

 N/A One Complete Unit

Tensioner Size

 N/A RT B18

Dimensional Data

Mounting Bolt Size (Dimension H)

 N/A M10

Max. Distance (Dimension S)

 N/A 1.970 in

Dimension D

 N/A 58 mm2.280 in

Dimension E

 N/A 78 mm3.110 in

Dimension G

 N/A 6 mm0.280 in

Dimension J1

 N/A 100 mm3.940 in

Dimension J2

 N/A 80 mm3.150 in

Dimension K

 N/A 30 mm1.180 in

Dimension L

 N/A 115 mm4.530 in

Dimension M

 N/A 30 mm1.180 in

Dimension O

 N/A 35 mm1.380 in

Dimension P

 N/A 10.5 mm0.41 in

Dimension T

 N/A 10.5 mm0.41 in

Notes

Notes 

 N/A
  • The recommended angle of pretension is 20°. This provides the tensioner a maximum capability to absorb vibrations and shock loads, while also maintaining a range of motion to address the system’s belt or chain stretch.
  • Mounting accessories into the “Hard” Position results in approximately 25% higher tensioning force over the “normal” position.
  • Metric standard tensioner units all come with a mounting screw, but do not come with the sprocket idler bolt (which is supplied instead with RunRight metric idler sprockets).