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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 40,4102 - R 48,8963 Request the lead time here
3.04 N
63.5 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
28.5 mm
Stainless Steel
58.54 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
44.5 mm
Stainless Steel
58.54 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
50.8 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
76.2 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
5.19 N
34.8 mm
Stainless Steel
58.54 N
R 34,8855 - R 42,2114 Request the lead time here
0.71 N
63.5 mm
Stainless Steel
7.67 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
44.5 mm
Stainless Steel
33.57 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
69.9 mm
Stainless Steel
33.57 N
R 40,0216 - R 48,4262 Request the lead time here
5.19 N
31.8 mm
Stainless Steel
58.54 N
R 34,5501 - R 41,8056 Request the lead time here
1.85 N
57.2 mm
Stainless Steel
19.64 N
R 34,8855 - R 42,2114 Request the lead time here
1.85 N
15.8 mm
Stainless Steel
19.64 N
R 34,8855 - R 42,2114 Request the lead time here
1.85 N
28.5 mm
Stainless Steel
19.64 N
R 34,5501 - R 41,8056 Request the lead time here
1.85 N
44.5 mm
Stainless Steel
19.64 N
R 34,8855 - R 42,2114 Request the lead time here
1.85 N
69.9 mm
Stainless Steel
19.64 N
R 42,1679 - R 51,0231 Request the lead time here
1.85 N
114.3 mm
Stainless Steel
19.64 N
R 35,4172 - R 42,8548 Request the lead time here
7.56 N
63.5 mm
Carbon Steel
83.63 N
R 36,9376 - R 44,6945 Request the lead time here
7.56 N
101.6 mm
Carbon Steel
83.63 N
R 50,2415 - R 60,7923 Request the lead time here
12.32 N
57.2 mm
Carbon Steel
137.09 N
R 34,8855 - R 42,2114 Request the lead time here
0.71 N
25.4 mm
Stainless Steel
7.67 N
  • of 10
Extension Spring 10.6 mm 0.42 Nmm Stainless Steel

10439845

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 5.66 Nmm Stainless Steel

10439869

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    28.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 2.14 Nmm Stainless Steel

10439906

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.60 Nmm Stainless Steel

10420287

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    50.8 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.34 Nmm Stainless Steel

10413043

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    76.2 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 3.43 Nmm Stainless Steel

10439883

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    34.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.04 Nmm Stainless Steel

10439685

Price Range
R 42,2114 - R 34,8855

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.71 N
  • Load at Load Length
    7.67 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    63.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.74 Nmm Stainless Steel

10416211

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 0.37 Nmm Stainless Steel

10439852

Price Range
R 48,8963 - R 40,4102

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    3.04 N
  • Load at Load Length
    33.57 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 4.23 Nmm Stainless Steel

10439876

Price Range
R 48,4262 - R 40,0216

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    5.19 N
  • Load at Load Length
    58.54 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    31.8 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.37 Nmm Stainless Steel

10418093

Price Range
R 41,8056 - R 34,5501

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
    57.2 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 3.32 Nmm Stainless Steel

10439692

Price Range
R 42,2114 - R 34,8855

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 42,2114 - R 34,8855

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 6.1 mm 0.50 Nmm Stainless Steel

10439739

Price Range
R 41,8056 - R 34,5501

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
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.28 Nmm Stainless Steel

10439760

Price Range
R 42,2114 - R 34,8855

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
    69.9 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.16 Nmm Stainless Steel

10439807

Price Range
R 51,0231 - R 42,1679

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
    114.3 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 1.82 Nmm Carbon Steel

10234549

Price Range
R 42,8548 - R 35,4172

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
    63.5 mm
  • Material
    Carbon Steel
Extension Spring 12.7 mm 0.96 Nmm Carbon Steel

10439548

Price Range
R 44,6945 - R 36,9376

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
    101.6 mm
  • Material
    Carbon Steel
Extension Spring 19.1 mm 4.27 Nmm Carbon Steel

10439579

Price Range
R 60,7923 - R 50,2415

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    12.32 N
  • Load at Load Length
    137.09 N
  • Maximum Application Temperature
    121 °C
  • Overall Length
    57.2 mm
  • Material
    Carbon Steel
Extension Spring 6.1 mm 0.19 Nmm Stainless Steel

10234556

Price Range
R 42,2114 - R 34,8855

Stock Levels
Request the lead time here
Attributes
  • Initial Tension
    0.71 N
  • Load at Load Length
    7.67 N
  • Maximum Application Temperature
    260 °C
  • Overall Length
    25.4 mm
  • Material
    Stainless Steel