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All Categories > RunRight® Rubber Suspension Parts Catalog > RunRight® Tensioner Devices > RunRight™ Inch (Imperial) Tensioners - Type SE-F (Front Mount) > Item # 68514453277  
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Item # 68514453277, RunRight™ Inch (Imperial) Tensioners - Type SE-F (Front Mount)



RunRight™ SE-F tensioners are designed for front mounting applications where access to back side or rear mounting surfaces is not possible. A single threaded hole is required to mount these tensioners. These tensioners include a special mounting screw and spacer bushing. They are manufactured with powder metal or cast iron housings, cast iron arms and inner square, 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.






Specifications  · Dimensional Data  · Performance Data  · Notes

Specifications

Description 

SE-F27 FRONT MOUNT TENSIONER

Type

Chain/Belt Tensioner

Element Material

Natural Rubber

Style

Elastomeric

Color

Blue

UPC Number

53277


Dimensional Data

Tensioner

SE-F27

Mounting Bolt Size

M10

Outside Diameter (Dim D)

3.07 in
78
mm

Overall Length (Dim E)

4.25 in
108
mm

Idler Bolt Size

1/2 - 13 x 3-1/2

Dimension L

6.1 in
155
mm

Dimension J-1

5.12 in
130
mm

Dimension J-2

3.94 in
100
mm

Dimension M

0.67 in
17
mm

Dimension R

0.59 in
15
mm

Dimension G

0.31 in
8
mm

Dimension O

0.59 in
15
mm

Dimension P

0.41 in
10.5
mm

Dimension K

1.97 in
50
mm

Cubic inches

79.58975 in³


Performance Data

Normal Temperature Range

-40 to 180 ºF
-40 to 80
ºC

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

85.4 lb
380
N

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

1.7 in
44
mm


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.
  • Inch (imperial) standard tensioner units all come with both the mounting screw and a zinc-plated idler bolt with nuts.


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