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Extension Springs

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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 71,1599 - R 86,1034 Request the lead time here
10.28 N
63.5 mm
Stainless Steel
114.19 N
R 81,3092 - R 98,3841 Request the lead time here
10.28 N
101.6 mm
Stainless Steel
114.19 N
R 79,0902 - R 95,6991 Request the lead time here
23.22 N
57.2 mm
Stainless Steel
258.22 N
R 77,2402 - R 93,4606 Request the lead time here
23.22 N
88.9 mm
Stainless Steel
258.22 N
R 118,0081 - R 142,7898 Request the lead time here
23.22 N
139.7 mm
Stainless Steel
258.22 N
R 28,712 - R 34,7416 Request the lead time here
0.85 N
63.5 mm
Carbon Steel
9.21 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
22.4 mm
Carbon Steel
23.58 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
34.8 mm
Carbon Steel
23.58 N
R 28,712 - R 34,7416 Request the lead time here
2.22 N
57.2 mm
Carbon Steel
23.58 N
10439241 R 37,5671 - R 45,4561 Request the lead time here
2.22 N
88.9 mm
Carbon Steel
23.58 N
R 30,1785 - R 36,516 Request the lead time here
3.65 N
25.4 mm
Carbon Steel
40.30 N
R 30,1785 - R 36,516 Request the lead time here
3.65 N
38.1 mm
Carbon Steel
40.30 N
R 30,1785 - R 36,516 Request the lead time here
3.65 N
63.5 mm
Carbon Steel
40.30 N
R 30,1785 - R 36,516 Request the lead time here
6.23 N
28.5 mm
Carbon Steel
70.28 N
10422403 R 30,1785 - R 36,516 Request the lead time here
6.23 N
44.5 mm
Carbon Steel
70.28 N
R 30,1785 - R 36,516 Request the lead time here
6.23 N
69.9 mm
Carbon Steel
70.28 N
R 30,3218 - R 36,6894 Request the lead time here
1.78 N
38.1 mm
Carbon Steel
19.57 N
R 30,3218 - R 36,6894 Request the lead time here
1.78 N
63.5 mm
Carbon Steel
19.57 N
R 33,3631 - R 40,3694 Request the lead time here
1.78 N
101.6 mm
Carbon Steel
19.57 N
R 31,9498 - R 38,6593 Request the lead time here
7.56 N
34.8 mm
Carbon Steel
83.63 N
  • of 10
Extension Spring 19.1 mm 2.77 Nmm Stainless Steel

10638132

Price Range
R 86,1034 - R 71,1599

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
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 1.20 Nmm Stainless Steel

10633793

Price Range
R 98,3841 - R 81,3092

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
    101.6 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 16.85 Nmm Stainless Steel

10638125

Price Range
R 95,6991 - R 79,0902

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
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 7.35 Nmm Stainless Steel

10641781

Price Range
R 93,4606 - R 77,2402

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
    88.9 mm
  • Material
    Stainless Steel
Extension Spring 19.1 mm 3.87 Nmm Stainless Steel

10638170

Price Range
R 142,7898 - R 118,0081

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
    139.7 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.05 Nmm Carbon Steel

10439142

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
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 1.73 Nmm Carbon Steel

10439173

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    22.4 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.84 Nmm Carbon Steel

10424568

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    34.8 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.44 Nmm Carbon Steel

10439203

Price Range
R 34,7416 - R 28,712

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.26 Nmm Carbon Steel

10439241

Price Range
R 45,4561 - R 37,5671

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    2.22 N
  • Load at Load Length
    23.58 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    88.9 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 3.85 Nmm Carbon Steel

10439289

Price Range
R 36,516 - R 30,1785

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    25.4 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.21 Nmm Carbon Steel

10424148

Price Range
R 36,516 - R 30,1785

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 0.51 Nmm Carbon Steel

10439319

Price Range
R 36,516 - R 30,1785

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.65 N
  • Load at Load Length
    40.30 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 6.79 Nmm Carbon Steel

10424797

Price Range
R 36,516 - R 30,1785

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
    28.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 2.57 Nmm Carbon Steel

10422403

Price Range
R 36,516 - R 30,1785

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
    44.5 mm
  • Material
    Carbon Steel
Extension Spring 10.6 mm 1.30 Nmm Carbon Steel

10439364

Price Range
R 36,516 - R 30,1785

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
    69.9 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.30 Nmm Carbon Steel

10439395

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
    38.1 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.12 Nmm Carbon Steel

10439425

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
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.05 Nmm Carbon Steel

10420898

Price Range
R 40,3694 - R 33,3631

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
    101.6 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 5.46 Nmm Carbon Steel

10439470

Price Range
R 38,6593 - R 31,9498

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