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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Product SKUs information
Essentra Part Number	Price range	Availability	Initial Tension	Overall Length	Material	Load at Load Length
	R 29,8883 - R 36,1648	Request the lead time here	6.23 N 6.23 N	2 in 50.8 mm	Carbon Steel	70.28 N 70.28 N

	R 50,0223 - R 60,527	Request the lead time here	27.89 N 27.89 N	2.5 in 63.5 mm	Carbon Steel	309.98 N 309.98 N

	R 67,5231 - R 81,703	Request the lead time here	27.89 N 27.89 N	6 in 152.4 mm	Carbon Steel	309.98 N 309.98 N

	R 34,2015 - R 41,3838	Request the lead time here	0.71 N 0.71 N	1.5 in 38.1 mm	Stainless Steel	7.67 N 7.67 N

	R 34,2015 - R 41,3838	Request the lead time here	1.85 N 1.85 N	2 in 50.8 mm	Stainless Steel	19.64 N 19.64 N

	R 41,341 - R 50,0226	Request the lead time here	1.85 N 1.85 N	5 in 127.0 mm	Stainless Steel	19.64 N 19.64 N

	R 30,1785 - R 36,516	Request the lead time here	6.23 N 6.23 N	1.5 in 38.1 mm	Carbon Steel	70.28 N 70.28 N

	R 30,0302 - R 36,3366	Request the lead time here	1.78 N 1.78 N	1.37 in 34.8 mm	Carbon Steel	19.57 N 19.57 N

	R 33,3631 - R 40,3694	Request the lead time here	1.78 N 1.78 N	3.5 in 88.9 mm	Carbon Steel	19.57 N 19.57 N

	R 34,2015 - R 41,3838	Request the lead time here	0.71 N 0.71 N	1.37 in 34.8 mm	Stainless Steel	7.67 N 7.67 N

	R 34,2015 - R 41,3838	Request the lead time here	1.85 N 1.85 N	0.752 in 19.1 mm	Stainless Steel	19.64 N 19.64 N

10422403	R 30,1785 - R 36,516	Request the lead time here	6.23 N 6.23 N	1.752 in 44.5 mm	Carbon Steel	70.28 N 70.28 N

	R 34,2015 - R 41,3838	Request the lead time here	1.85 N 1.85 N	0.882 in 22.4 mm	Stainless Steel	19.64 N 19.64 N

	R 33,8726 - R 40,9859	Request the lead time here	1.85 N 1.85 N	2.252 in 57.2 mm	Stainless Steel	19.64 N 19.64 N

	R 58,0799 - R 70,2767	Request the lead time here	27.89 N 27.89 N	4 in 101.6 mm	Carbon Steel	309.98 N 309.98 N

	R 53,1029 - R 64,2545	Request the lead time here	12.32 N 12.32 N	2.752 in 69.9 mm	Carbon Steel	137.09 N 137.09 N

	R 67,5231 - R 81,703	Request the lead time here	27.89 N 27.89 N	5.5 in 139.7 mm	Carbon Steel	309.98 N 309.98 N

	R 31,9498 - R 38,6593	Request the lead time here	7.56 N 7.56 N	2 in 50.8 mm	Carbon Steel	83.63 N 83.63 N

	R 36,5649 - R 44,2435	Request the lead time here	7.56 N 7.56 N	5 in 127.0 mm	Carbon Steel	83.63 N 83.63 N

	R 28,712 - R 34,7416	Request the lead time here	0.85 N 0.85 N	1 in 25.4 mm	Carbon Steel	9.21 N 9.21 N