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All Categories > RunRight® Rubber Suspension Parts Catalog > RunRight® Tensioner Devices > RunRight™ Inch (Imperial) Tensioners - Type SE-F (Front Mount) > Item # 68514453281  
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Item # 68514453281, 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-F45 FRONT MOUNT TENSIONER

Type

Chain/Belt Tensioner

Element Material

Natural Rubber

Style

Elastomeric

Color

Blue

UPC Number

53281


Dimensional Data

Tensioner

SE-F45

Mounting Bolt Size

M20

Outside Diameter (Dim D)

4.53 in
115
mm

Overall Length (Dim E)

7.870 in
200
mm

Idler Bolt Size

3/4 - 10 x 6

Dimension L

10.24 in
260
mm

Dimension J-1

8.86 in
225
mm

Dimension J-2

7.09 in
180
mm

Dimension M

1.26 in
32
mm

Dimension R

0.94 in
24
mm

Dimension G

0.47 in
12
mm

Dimension O

0.71 in
18
mm

Dimension P

0.49 in
12.5
mm

Dimension K

2.76 in
70
mm

Cubic inches

365.06726 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)

292.5 lb
1300
N

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

3.1 in
78
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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