Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

Scaled prices - Extension Spring Z-221I

Quantity	Single price [EUR]
1	14.9000 EUR
2	11.8700 EUR
3	7.7300 EUR
7	5.7700 EUR
17	5.7700 EUR
37	5.7700 EUR
75	5.7700 EUR
125	5.7700 EUR
175	5.7700 EUR
250	5.7700 EUR
350	5.7700 EUR

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Product image Extension Spring Z-221I

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Technical Data - Extension Spring Z-221I

Formula symbols	Value	Unit	Description
Material	EN 10270-1	-	type of material
Eylet shape	1/1 deutsche	-	Eylet shape
F1		N	prestressed spring force
L1		mm	Prestressed spring length
s1		mm	prestressed spring deflection
F2		N	loaded spring force
L2		mm	loaded spring length
s2		mm	loaded spring deflection
Eyelet position	180	°	Eyelet position
d	4.5	mm	Wire diameter
D		mm	mean coil diameter
De	40	mm	outer coil diameter
Dh	48.8	mm	minimum bush diameter
L0	295	mm	length of unstressed spring, measured from inner edge of loop to inner edge of loop
Lk	245.25	mm	length of unstressed spring body
Ln	639.78	mm	maximum spring length, inner loop to inner loop
sn	344.78	mm	Maximum spring deflection
Fn	658.2	N	Maximum spring force
n		pc.	Number of aktive coils
nt		pc.	total number of coils
Lh	24.87	mm	distance of inner edge of loop from the spring body
R	1.745	N/mm	Spring rate
F0	56.5	N	initial tension
Fntol	31.62	N	(+/-) tolerance of maximum spring force
L0tol	3	mm	(+/-) tolerance of unstressed length
Detol	0.5	mm	(+/-) tolerance of outer coil diameter
Oesttol	42	degree	(+/-) tolerance of loop position
Weight	774.897	g	weight of one spring
Price group	###AM	-	price group

Technical drawing Extension Spring

Datasheet Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

Datasheet download pdf file

Metal spring characteristic Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

Metal spring characteristic download pdf file

CAD data Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

CAD models download: step, stl, iges ...

force-path-calculation Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

force-path-calculation Extension Spring Z-221I

Inquiry formular Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

Inquiry formular Extension Spring Z-221I

Similar extension springs to Extension Spring Z-221I Spring steel Ø 4.5 x 40 x 295 mm / 180°

Below you will find similar Extension Springs that differ from the current spring in terms of material, dimensions and spring force. The spring highlighted in green is the most similar.

A similar Extension Spring made from a different material

The Extension Spring shown below has the same dimensions but is made of a different material. Please check the spring forces.

article number	Material	d (mm)	De (mm)	L0 (mm)	Fn (N)	Ln (mm)	sn (mm)	R (N/mm)	Similarity in %: Overall \| Geometrie \| Load \| Stiffness
Z-221I	EN 10270-1	4.5	40	295	658.2	639.78	344.78	1.745	100.0 \| 100.0 \| 100.0 \| 100.0

Number of similar metal springs: 1

Similar Extension Springs with varying levels of spring force

To compare forces, enter the length of the loaded spring [L2] or the loaded spring deflection [s2] and click [Update]. Dimensions are subject to a tolerance of up to +/- 30 %.

Priority

article number	De (mm)	L0 (mm)	R (N/mm)	Material	Fn (N)	Ln (mm)	sn (mm)	Similarity in % Overall \| Geometrie \| Load \| Stiffness
Z-162U-06I	40	242	0.265	EN 10270-1	214.2	1007.28	765.28	45.5 \| 82.9 \| 38.8 \| 14.7
Z-162U-05I	40	218	0.305	EN 10270-1	214.2	883.73	665.73	46.4 \| 80.2 \| 42.2 \| 16.9
Z-168EI	35.2	298	0.421	EN 10270-1	290.5	944.19	646.19	52.8 \| 86.0 \| 48.7 \| 23.5
Z-168DI	35.2	273	0.469	EN 10270-1	290.5	852.48	579.48	54.0 \| 83.9 \| 51.8 \| 26.3
Z-184I	44	341	0.586	EN 10270-1	436.3	1043.37	702.37	59.7 \| 88.8 \| 57.7 \| 32.5
Z-177KI	40	272	0.596	EN 10270-1	357.1	838.06	566.06	60.5 \| 90.7 \| 57.6 \| 33.0
Z-183I	44	309	0.663	EN 10270-1	436.3	930.52	621.52	63.1 \| 91.8 \| 60.9 \| 36.8
Z-182I	44	277	0.762	EN 10270-1	436.3	817.67	540.67	66.2 \| 91.2 \| 65.0 \| 42.3
Z-181I	44	249	0.876	EN 10270-1	436.3	718.93	469.93	68.8 \| 88.1 \| 69.8 \| 48.6
Z-192I	36	328	1.145	EN 10270-1	528.1	759.22	431.22	78.0 \| 89.6 \| 80.1 \| 64.2
Z-191I	36	296	1.294	EN 10270-1	528.1	677.58	381.58	83.5 \| 92.9 \| 85.3 \| 72.5
Z-223I	40	366	1.344	EN 10270-1	658.2	813.89	447.89	86.3 \| 93.5 \| 88.5 \| 77.0
Z-190I	36	264	1.488	EN 10270-1	528.1	595.95	331.95	87.0 \| 89.5 \| 88.3 \| 83.3
Z-222I	40	330	1.518	EN 10270-1	658.2	726.34	396.34	92.3 \| 96.5 \| 93.5 \| 87.0
Z-221I	40	295	1.745	EN 10270-1	658.2	639.78	344.78	100.0 \| 100.0 \| 100.0 \| 100.0
Z-220I	40	264	2.008	EN 10270-1	658.2	563.67	299.67	92.3 \| 96.5 \| 93.5 \| 86.9
Z-219I	40	236	2.306	EN 10270-1	658.2	497	261	85.6 \| 93.3 \| 87.9 \| 75.7
Z-252I	40	361	2.415	EN 10270-1	873.5	691.69	330.69	82.8 \| 90.6 \| 85.6 \| 72.3
Z-251I	40	321	2.776	EN 10270-1	873.5	608.68	287.68	78.7 \| 94.0 \| 79.4 \| 62.9
Z-250I	40	286	3.194	EN 10270-1	873.5	536.04	250.04	74.7 \| 95.6 \| 73.9 \| 54.6
Z-249I	40	256	3.667	EN 10270-1	873.5	473.77	217.77	69.7 \| 92.3 \| 69.3 \| 47.6
Z-288I	40	346	4.243	EN 10270-1	1134	585.01	239.01	64.3 \| 89.0 \| 63.7 \| 40.2
Z-248I	40	221	4.433	EN 10270-1	873.5	401.13	180.13	63.8 \| 88.3 \| 63.8 \| 39.4
Z-287I	40	308	4.882	EN 10270-1	1134	515.74	207.74	62.2 \| 92.5 \| 59.1 \| 35.0
Z-286I	40	275	5.605	EN 10270-1	1134	455.93	180.93	59.1 \| 91.7 \| 55.3 \| 30.5
Z-285I	40	236	6.777	EN 10270-1	1134	385.66	149.66	54.4 \| 87.3 \| 50.7 \| 25.2
Z-324I	40	344	9.018	EN 10270-1	1632	502.86	158.86	49.2 \| 85.7 \| 43.2 \| 18.6
Z-323I	40	306	10.353	EN 10270-1	1632	444.36	138.36	48.6 \| 89.3 \| 40.2 \| 16.2
Z-322I	40	262	12.517	EN 10270-1	1632	376.45	114.45	45.6 \| 86.7 \| 36.8 \| 13.4
Z-321I	40	224	15.248	EN 10270-1	1632	317.95	93.95	42.4 \| 82.5 \| 33.8 \| 11.0

Number of similar metal springs: 29

Customs tariff number: 73202085; Extension Spring Z-221I

Country of origin: DE, German; Extension Spring Z-221I

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