Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 mm / 180°

Scaled prices - Extension Spring Z-121KI

Quantity	Single price [EUR]
1	6.4000 EUR
2	4.0300 EUR
3	2.8200 EUR
7	2.3500 EUR
17	1.1600 EUR
37	0.8500 EUR
75	0.6900 EUR
125	0.6356 EUR
175	0.6220 EUR
250	0.6172 EUR
350	0.5899 EUR
450	0.5461 EUR

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Product image Extension Spring Z-121KI

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Technical Data - Extension Spring Z-121KI

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	1.6	mm	Wire diameter
D		mm	mean coil diameter
De	15.5	mm	outer coil diameter
Dh	18.3	mm	minimum bush diameter
L0	96	mm	length of unstressed spring, measured from inner edge of loop to inner edge of loop
Lk	76	mm	length of unstressed spring body
Ln	255.58	mm	maximum spring length, inner loop to inner loop
sn	159.58	mm	Maximum spring deflection
Fn	92.71	N	Maximum spring force
n		pc.	Number of aktive coils
nt		pc.	total number of coils
Lh	10	mm	distance of inner edge of loop from the spring body
R	0.535	N/mm	Spring rate
F0	7.331	N	initial tension
Fntol	4.77	N	(+/-) tolerance of maximum spring force
L0tol	1.8	mm	(+/-) tolerance of unstressed length
Detol	0.35	mm	(+/-) tolerance of outer coil diameter
Oesttol	41	degree	(+/-) tolerance of loop position
Weight	33.48	g	weight of one spring
Price group	ZJ	-	price group

Technical drawing Extension Spring

Datasheet Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 mm / 180°

Datasheet download pdf file

Metal spring characteristic Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 mm / 180°

Metal spring characteristic download pdf file

CAD data Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 mm / 180°

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

force-path-calculation Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 mm / 180°

force-path-calculation Extension Spring Z-121KI

Inquiry formular Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 mm / 180°

Inquiry formular Extension Spring Z-121KI

Similar extension springs to Extension Spring Z-121KI Spring steel Ø 1.6 x 15.5 x 96 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-121KI	EN 10270-1	1.6	15.5	96	92.71	255.58	159.58	0.535	100.0 \| 100.0 \| 100.0 \| 100.0
RZ-121KI	1.4310	1.6	15.5	96	78.31	253.89	157.89	0.459	92.4 \| 100.0 \| 91.7 \| 85.4

Number of similar metal springs: 2

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-103AI	17.2	91.9	0.117	EN 10270-1	42.35	430.18	338.28	52.0 \| 88.0 \| 46.4 \| 21.5
Z-100E-14I	14	86.4	0.117	EN 10270-1	34.48	361.45	275.05	50.7 \| 83.0 \| 47.6 \| 21.6
Z-106CI	13.7	98.7	0.203	EN 10270-1	52.74	339.44	240.74	62.4 \| 87.9 \| 61.6 \| 37.7
Z-106BI	13.7	88.7	0.232	EN 10270-1	52.74	299.11	210.41	65.3 \| 86.3 \| 66.4 \| 43.1
Z-115LI	15	105	0.261	EN 10270-1	66.08	336.91	231.91	70.3 \| 91.9 \| 70.0 \| 49.0
Z-106GI	12.7	96.3	0.265	EN 10270-1	56.71	292.63	196.33	69.2 \| 86.6 \| 71.2 \| 49.7
Z-115V-26I	15	113.5	0.341	EN 10270-1	79.83	328.82	215.32	78.5 \| 91.7 \| 80.1 \| 63.8
Z-121AI	17.6	99.8	0.351	EN 10270-1	82.12	316.3	216.5	80.4 \| 94.8 \| 81.1 \| 65.3
Z-115V-25I	15	101.5	0.392	EN 10270-1	79.83	288.81	187.31	84.7 \| 95.0 \| 85.7 \| 73.4
Z-115KI	15	76.9	0.394	EN 10270-1	66.08	230.86	153.96	82.0 \| 88.1 \| 83.9 \| 73.9
Z-121I	17.6	88.6	0.413	EN 10270-1	82.12	272.37	183.77	86.0 \| 93.5 \| 87.7 \| 76.9
Z-115V-24I	15	91	0.451	EN 10270-1	79.83	253.8	162.8	90.5 \| 95.1 \| 92.1 \| 84.4
Z-121LI	15.5	107.5	0.465	EN 10270-1	92.71	291.11	183.61	92.3 \| 96.4 \| 93.5 \| 86.9
Z-115V-23I	15	82	0.518	EN 10270-1	79.83	223.8	141.8	92.1 \| 92.0 \| 87.5 \| 96.9
Z-121KI	15.5	96	0.535	EN 10270-1	92.71	255.58	159.58	100.0 \| 100.0 \| 100.0 \| 100.0
Z-121JI	15.5	86.5	0.614	EN 10270-1	92.71	225.55	139.05	92.5 \| 96.7 \| 93.6 \| 87.1
Z-124BI	14.1	105	0.639	EN 10270-1	101.3	251.19	146.19	89.8 \| 94.1 \| 91.6 \| 83.8
Z-124AI	14.1	94.2	0.735	EN 10270-1	101.3	221.3	127.1	84.9 \| 96.4 \| 85.6 \| 72.9
Z-121HI	15.5	75.5	0.742	EN 10270-1	92.71	190.56	115.06	83.7 \| 92.9 \| 86.1 \| 72.1
Z-130K-04I	16	109	0.77	EN 10270-1	124.8	258.25	149.25	81.6 \| 91.3 \| 83.9 \| 69.5
Z-115V-35I	12	96.5	0.833	EN 10270-1	98.5	206.07	109.57	78.7 \| 90.2 \| 81.4 \| 64.6
Z-124I	14.1	83	0.865	EN 10270-1	101.3	190.99	107.99	78.0 \| 92.5 \| 79.6 \| 61.9
Z-137AI	18.6	95	1.033	EN 10270-1	144.7	224.6	129.6	70.7 \| 87.4 \| 72.6 \| 52.0
Z-124GI	12.7	92	1.05	EN 10270-1	111.8	190.57	98.57	72.1 \| 92.6 \| 72.3 \| 51.2
Z-130K-03I	16	84.6	1.083	EN 10270-1	124.8	190.77	106.17	70.4 \| 91.3 \| 70.4 \| 49.4
Z-144AI	14.5	112	1.795	EN 10270-1	182.5	204.42	92.42	56.7 \| 86.4 \| 54.4 \| 29.4
Z-141GI	16	87	1.828	EN 10270-1	166.7	170.28	83.28	57.4 \| 89.2 \| 53.9 \| 29.0
Z-144I	14.5	98.8	2.113	EN 10270-1	182.5	177.31	78.51	55.1 \| 90.2 \| 50.0 \| 25.0
Z-147OI	15	107	2.881	EN 10270-1	229.9	179.6	72.6	49.2 \| 86.4 \| 42.9 \| 18.3
Z-161I	15	81	8.316	EN 10270-1	324.5	116.49	35.49	37.8 \| 81.7 \| 25.4 \| 6.4

Number of similar metal springs: 29

Customs tariff number: 73202085; Extension Spring Z-121KI

Country of origin: DE, German; Extension Spring Z-121KI

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