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Extension Springs

In production

Extension springs are helical coil springs designed to absorb energy while resisting pulling forces. The further they are stretched, the more force is generate, making them ideal for bringing two components together.

Common applications include Throttle Turn Mechanisms in Automotive, Trampolines, Fitness Equipment and Vibration Dampening Systems.

It is available in both Music Wire material, which is ideal for temperatures between -30 C and +120 C and for use in dry environments, and stainless Steel material, which is ideal for temperatures between -200 C and +250 C and for use in both dry and humid or wet environments. Key Factors to consider when choosing a spring for an application include Spring Material and the Working Environment, Spring Dimensions in both extended and non-extended states. Material: Stainless Steel, Carbon Steel Series Code:

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198 results
Product SKUs information
Essentra Part Number Price range Availability Loaded Length Spring Rate Initial Tension Overall Length Material Load at Load Length Outside Diameter View
R 29,8883 - R 36,1648 Request the lead time here
6.23 N
50.8 mm
Carbon Steel
70.28 N
R 116,8734 - R 141,4168 Request the lead time here
23.22 N
152.4 mm
Stainless Steel
258.22 N
R 30,3218 - R 36,6894 Request the lead time here
1.78 N
44.5 mm
Carbon Steel
19.57 N
R 30,0302 - R 36,3366 Request the lead time here
1.78 N
69.9 mm
Carbon Steel
19.57 N
10335147 Request the lead time here
1.78 N
114.3 mm
Carbon Steel
19.57 N
R 39,6555 - R 47,9831 Request the lead time here
1.48 N
69.9 mm
Stainless Steel
16.30 N
R 46,4574 - R 56,2135 Request the lead time here
1.48 N
114.3 mm
Stainless Steel
16.30 N
R 46,1703 - R 55,866 Request the lead time here
6.30 N
38.1 mm
Stainless Steel
69.66 N
R 46,738 - R 56,553 Request the lead time here
6.30 N
63.5 mm
Stainless Steel
69.66 N
R 49,2188 - R 59,5547 Request the lead time here
6.30 N
101.6 mm
Stainless Steel
69.66 N
R 71,1599 - R 86,1034 Request the lead time here
10.26 N
57.2 mm
Stainless Steel
114.20 N
R 77,585 - R 93,8779 Request the lead time here
10.28 N
88.9 mm
Stainless Steel
114.19 N
R 77,506 - R 84,2902 Request the lead time here
23.22 N
50.8 mm
Stainless Steel
258.22 N
R 77,9901 - R 94,368 Request the lead time here
23.22 N
76.2 mm
Stainless Steel
258.22 N
R 85,553 - R 103,5191 Request the lead time here
23.22 N
127.0 mm
Stainless Steel
258.22 N
R 34,2015 - R 41,3838 Request the lead time here
1.85 N
15.8 mm
Stainless Steel
19.64 N
R 34,2015 - R 41,3838 Request the lead time here
1.85 N
28.5 mm
Stainless Steel
19.64 N
R 39,6555 - R 47,9831 Request the lead time here
1.48 N
34.8 mm
Stainless Steel
16.30 N
R 77,9901 - R 94,368 Request the lead time here
23.22 N
69.9 mm
Stainless Steel
258.22 N
R 28,712 - R 34,7416 Request the lead time here
0.85 N
69.9 mm
Carbon Steel
9.21 N
  • of 10
Extension Spring 10.6 mm 2.07 Nmm Carbon Steel

10439340

Price Range
R 36,1648 - R 29,8883

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.23 N
  • Load at Load Length
    70.28 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    50.8 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 3.49 Nmm Stainless Steel

10635094

Price Range
R 141,4168 - R 116,8734

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    152.4 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.21 Nmm Carbon Steel

10439401

Price Range
R 36,6894 - R 30,3218

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.11 Nmm Carbon Steel

10439432

Price Range
R 36,3366 - R 30,0302

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.05 Nmm Carbon Steel

10335147


Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.78 N
  • Load at Load Length
    19.57 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    114.3 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.09 Nmm Stainless Steel

10439999

Price Range
R 47,9831 - R 39,6555

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.04 Nmm Stainless Steel

10440018

Price Range
R 56,2135 - R 46,4574

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    114.3 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 3.72 Nmm Stainless Steel

10440056

Price Range
R 55,866 - R 46,1703

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    38.1 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 1.52 Nmm Stainless Steel

10440087

Price Range
R 56,553 - R 46,738

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.80 Nmm Stainless Steel

10440117

Price Range
R 59,5547 - R 49,2188

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    6.30 N
  • Load at Load Length
    69.66 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    101.6 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 3.56 Nmm Stainless Steel

10635117

Price Range
R 86,1034 - R 71,1599

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    10.26 N
  • Load at Load Length
    114.20 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 1.47 Nmm Stainless Steel

10633885

Price Range
R 93,8779 - R 77,585

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    10.28 N
  • Load at Load Length
    114.19 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    88.9 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 22.04 Nmm Stainless Steel

10641910

Price Range
R 84,2902 - R 77,506

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    50.8 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 9.56 Nmm Stainless Steel

10641835

Price Range
R 94,368 - R 77,9901

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 4.41 Nmm Stainless Steel

10642016

Price Range
R 103,5191 - R 85,553

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    127.0 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 3.32 Nmm Stainless Steel

10439692

Price Range
R 41,3838 - R 34,2015

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    15.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.95 Nmm Stainless Steel

10234587

Price Range
R 41,3838 - R 34,2015

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.85 N
  • Load at Load Length
    19.64 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    28.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.31 Nmm Stainless Steel

10439937

Price Range
R 47,9831 - R 39,6555

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    1.48 N
  • Load at Load Length
    16.30 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 11.01 Nmm Stainless Steel

10641828

Price Range
R 94,368 - R 77,9901

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    23.22 N
  • Load at Load Length
    258.22 N
  • Maximum Application Temperature
    230 °C
  • Overall Length
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.05 Nmm Carbon Steel

10636695

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.85 N
  • Load at Load Length
    9.21 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    69.9 mm
  • Material
    Carbon Steel