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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 34,8855 - R 42,2114 Request the lead time here
0.71 N
63.5 mm
Stainless Steel
7.67 N
R 34,8855 - R 42,2114 Request the lead time here
1.85 N
22.4 mm
Stainless Steel
19.64 N
R 34,8855 - R 42,2114 Request the lead time here
1.85 N
34.8 mm
Stainless Steel
19.64 N
R 34,5501 - R 41,8056 Request the lead time here
1.85 N
57.2 mm
Stainless Steel
19.64 N
R 42,1679 - R 51,0231 Request the lead time here
1.85 N
88.9 mm
Stainless Steel
19.64 N
R 40,4102 - R 48,8963 Request the lead time here
3.04 N
25.4 mm
Stainless Steel
33.57 N
R 30,782 - R 37,2463 Request the lead time here
6.23 N
28.5 mm
Carbon Steel
70.28 N
10422403 R 30,782 - R 37,2463 Request the lead time here
6.23 N
44.5 mm
Carbon Steel
70.28 N
R 47,3866 - R 57,3378 Request the lead time here
1.48 N
114.3 mm
Stainless Steel
16.30 N
R 47,0937 - R 56,9834 Request the lead time here
6.30 N
38.1 mm
Stainless Steel
69.66 N
R 120,3682 - R 145,6455 Request the lead time here
23.22 N
139.7 mm
Stainless Steel
258.22 N
R 47,6728 - R 57,6841 Request the lead time here
6.30 N
63.5 mm
Stainless Steel
69.66 N
R 50,2032 - R 60,7458 Request the lead time here
6.30 N
101.6 mm
Stainless Steel
69.66 N
R 72,583 - R 87,8255 Request the lead time here
10.26 N
57.2 mm
Stainless Steel
114.20 N
R 40,4486 - R 48,9428 Request the lead time here
1.48 N
44.5 mm
Stainless Steel
16.30 N
R 40,4486 - R 48,9428 Request the lead time here
1.48 N
69.9 mm
Stainless Steel
16.30 N
R 79,0561 - R 85,976 Request the lead time here
23.22 N
50.8 mm
Stainless Steel
258.22 N
R 79,1367 - R 95,7554 Request the lead time here
10.28 N
88.9 mm
Stainless Steel
114.19 N
  • of 10
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 6.1 mm 1.44 Nmm Stainless Steel

10439708

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
    22.4 mm
  • Material
    Stainless Steel
Extension Spring 6.1 mm 0.70 Nmm Stainless Steel

10234594

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
    34.8 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 0.22 Nmm Stainless Steel

10439784

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
    88.9 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 3.21 Nmm Stainless Steel

10417485

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
    25.4 mm
  • Material
    Stainless Steel
Extension Spring 10.6 mm 6.79 Nmm Carbon Steel

10424797

Price Range
R 37,2463 - R 30,782

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 37,2463 - R 30,782

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 12.7 mm 0.04 Nmm Stainless Steel

10440018

Price Range
R 57,3378 - R 47,3866

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 56,9834 - R 47,0937

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 19.1 mm 3.87 Nmm Stainless Steel

10638170

Price Range
R 145,6455 - R 120,3682

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 12.7 mm 1.52 Nmm Stainless Steel

10440087

Price Range
R 57,6841 - R 47,6728

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 60,7458 - R 50,2032

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 87,8255 - R 72,583

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 12.7 mm 0.18 Nmm Stainless Steel

10439951

Price Range
R 48,9428 - R 40,4486

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
    44.5 mm
  • Material
    Stainless Steel
Extension Spring 12.7 mm 0.09 Nmm Stainless Steel

10439999

Price Range
R 48,9428 - R 40,4486

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 19.1 mm 22.04 Nmm Stainless Steel

10641910

Price Range
R 85,976 - R 79,0561

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 1.47 Nmm Stainless Steel

10633885

Price Range
R 95,7554 - R 79,1367

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