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All Product Types > INDUSTRIAL MOTION PRODUCTS > RunRight® Rubber Suspension Parts Catalog > RunRight® Tensioner Devices > RunRight® Metric Tensioners - Type RT B (Double Arm) > Part Number 68514463730  
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Part Number 68514463730, RunRight® Metric Tensioners - Type RT B (Double Arm)


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: Imperial Metric Both

Specifications  · Dimensional Data  · Notes

Specifications

Description 
RT-B-27-TENSNR MM

Series
RT B

Type
Chain/Belt Tensioner

Element Material
Natural Rubber

Application
Belt/Chain Tensioner

Contents
One Complete Unit

Tensioner Size
RT B27


Dimensional Data

Mounting Bolt Size (Dimension H)
M12

Max. Distance (Dimension S)
2.560 in

Dimension D
78 mm
3.07 in

Dimension E
108 mm
4.250 in

Dimension G
8 mm
0.310 in

Dimension J1
130 mm
5.120 in

Dimension J2
100 mm
3.940 in

Dimension K
50 mm
1.970 in

Dimension L
155 mm
6.100 in

Dimension M
40 mm
1.570 in

Dimension O
52 mm
2.050 in

Dimension P
10.5 mm
0.41 in

Dimension T
12.5 mm
0.49 in


Notes

Notes 
  • 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).



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