Montage of Timken Bearing Products
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RunRight® RT SS tensioners are for use in the food and pharmaceutical industries. They are manufactured with cast stainless steel housings, arms and inner square. They 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-SS-18-TENSNR MM

Type

 N/A Chain/Belt Tensioner

Element Material

 N/A Natural Rubber

Style

 N/A Elastomeric

Color

 N/A Black

Dimensional Data

Tensioner

 N/A RT SS18-M

Mounting Bolt Size

 N/A M10 x 30

Outside Diameter (Dim D)

 N/A 58 mm2.28 in

Overall Length (Dim E)

 N/A 79 mm3.11 in

Dimension T

 N/A 10.5 mm

Dimension L

 N/A 115 mm4.53 in

Dimension J-1

 N/A 100 mm3.94 in

Dimension J-2

 N/A 80 mm3.15 in

Dimension M

 N/A 30 mm

Dimension G

 N/A 7 mm0.24 in

Dimension O

 N/A 10.5 mm0.41 in

Dimension P

 N/A 8.5 mm0.33 in

Dimension K

 N/A 30 mm1.18 in

Performance Data

Normal Temperature Range

 N/A -40 to 180 ºC-40 to 80 ºF

Mounting Bolt Torque

 N/A 49 N·m434 in·lb

Force at 20° Angle of Pretension (Normal Force Level) (Dimension F)

 N/A 180 N40.5 lb

Distance at 20° Angle of Pretension (Normal Force Level) (Dimension S)

 N/A 34 mm1.3 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).