Flat Wire Coil Springs / Deflection 50% / O.D. Referenced

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Flat Wire Coil Springs/Deflection 50%/O.D. Referenced:Related Image

Material: Oil tempered wires for springs

Specifications

Part Number

SWR37-40

D	d	L	N/mm {kgf/mm} (Spring Constant)	F=Lx50%		Part Number		Unit Price
D	d	L	N/mm {kgf/mm} (Spring Constant)	Fmm	N{kgf} Load	Type D-L		Unit Price
10.5	6.0	15	10.46{1.07}	7.5	78.5 {8.0}	SWR10.5-	15
		20	7.85{0.80}	10.0			20
		25	6.28{0.64}	12.5			25
		30	5.23{0.53}	15.0			30
		35	4.48{0.46}	17.5			35
		40	3.92{0.40}	20.0			40
		45	3.49{0.36}	22.5			45
		50	3.14{0.32}	25.0			50
		55	2.85{0.29}	27.5			55
		60	2.62{0.27}	30.0			60
		65	2.41{0.25}	32.5			65
		70	2.24{0.23}	35.0			70
		75	2.09{0.21}	37.5			75
		80	1.96{0.20}	40.0			80
12.5	7.0	15	11.77{1.20}	7.5	88.3 {9.0}	SWR12.5-	15
		20	8.83{0.90}	10.0			20
		25	7.06{0.72}	12.5			25
		30	5.88{0.60}	15.0			30
		35	5.04{0.51}	17.5			35
		40	4.41{0.45}	20.0			40
		45	3.92{0.40}	22.5			45
		50	3.53{0.36}	25.0			50
		55	3.21{0.33}	27.5			55
		60	2.94{0.30}	30.0			60
		65	2.72{0.28}	32.5			65
		70	2.52{0.26}	35.0			70
		75	2.35{0.24}	37.5			75
		80	2.21{0.23}	40.0			80
		90	1.96{0.20}	45.0			90
		100	1.77{0.18}	50.0			100
14.5	8.5	15	17.00{1.73}	7.5	127.5 {13.0}	SWR14.5-	15
		20	12.75{1.30}	10.0			20
		25	10.20{1.04}	12.5			25
		30	8.50{0.87}	15.0			30
		35	7.28{0.74}	17.5			35
		40	6.37{0.65}	20.0			40
		45	5.67{0.58}	22.5			45
		50	5.10{0.52}	25.0			50
		55	4.64{0.47}	27.5			55
		60	4.25{0.43}	30.0			60
		65	3.92{0.40}	32.5			65
		70	3.64{0.37}	35.0			70
		75	3.40{0.35}	37.5			75
		80	3.19{0.33}	40.0			80
		90	2.83{0.29}	45.0			90
		100	2.55{0.26}	50.0			100
		125	2.04{0.21}	62.5			125
		150	1.70{0.17}	75.0			150
17	10.5	20	19.61{2.00}	10.0	196.1 {20.0}	SWR17-	20
		25	15.69{1.60}	12.5			25
		30	13.08{1.33}	15.0			30
		35	11.21{1.14}	17.5			35
		40	9.81{1.00}	20.0			40
		45	8.72{0.89}	22.5			45
		50	7.85{0.80}	25.0			50
		55	7.13{0.73}	27.5			55
		60	6.54{0.67}	30.0			60
		65	6.03{0.62}	32.5			65
		70	5.60{0.57}	35.0			70
		75	5.23{0.53}	37.5			75
		80	4.90{0.50}	40.0			80
		90	4.36{0.44}	45.0			90
		100	3.92{0.40}	50.0			100
		125	3.14{0.32}	62.5			125
		150	2.62{0.27}	75.0			150
		175	2.24{0.23}	87.5			175

D	d	L	N/mm {kgf/mm} (Spring Constant)	F=Lx50%		Part Number		Unit Price
D	d	L	N/mm {kgf/mm} (Spring Constant)	Fmm	N{kgf} Load	Type D-L		Unit Price
21	13.5	25	23.54{2.40}	12.5	294.2 {30.0}	SWR21-	25
		30	19.61{2.00}	15.0			30
		35	16.81{1.71}	17.5			35
		40	14.71{1.50}	20.0			40
		45	13.08{1.33}	22.5			45
		50	11.77{1.20}	25.0			50
		55	10.07{1.09}	27.5			55
		60	9.81{1.00}	30.0			60
		65	9.05{0.92}	32.5			65
		70	8.41{0.86}	35.0			70
		75	7.85{0.80}	37.5			75
		80	7.35{0.75}	40.0			80
		90	6.54{0.67}	45.0			90
		100	5.88{0.60}	50.0			100
		110	5.35{0.55}	55.0			110
		120	4.90{0.50}	60.0			120
		125	4.71{0.48}	62.5			125
		130	4.53{0.46}	65.0			130
		140	4.20{0.43}	70.0			140
		150	3.92{0.40}	75.0			150
		175	3.36{0.34}	87.5			175
		200	2.94{0.30}	100.0			200
26	16.5	25	31.38{3.20}	12.5	392.3 {40.0}	SWR26-	25
		30	26.15{2.67}	15.0			30
		35	22.42{2.29}	17.5			35
		40	19.61{2.00}	20.0			40
		45	17.43{1.78}	22.5			45
		50	15.69{1.60}	25.0			50
		55	14.26{1.45}	27.5			55
		60	13.08{1.33}	30.0			60
		65	12.07{1.23}	32.5			65
		70	11.21{1.14}	35.0			70
		75	10.46{1.07}	37.5			75
		80	9.81{1.00}	40.0			80
		90	8.72{0.89}	45.0			90
		100	7.85{0.80}	50.0			100
		110	7.13{0.73}	55.0			110
		120	6.54{0.67}	60.0			120
		125	6.28{0.64}	62.5			125
		130	6.03{0.62}	65.0			130
		140	5.60{0.57}	70.0			140
		150	5.23{0.53}	75.0			150
		175	4.48{0.46}	87.5			175
		200	3.92{0.40}	100.0			200
		225	3.49{0.36}	112.5			225
		250	3.14{0.32}	125.0			250
31	21	35	28.02{2.86}	17.5	490.3 {50.0}	SWR31-	35
		40	24.52{2.50}	20.0			40
		45	21.79{2.22}	22.5			45
		50	19.61{2.00}	25.0			50
		55	17.83{1.82}	27.5			55
		60	16.34{1.67}	30.0			60
		65	15.09{1.54}	32.5			65
		70	14.01{1.43}	35.0			70
		75	13.08{1.33}	37.5			75
		80	12.26{1.25}	40.0			80
		90	10.90{1.11}	45.0			90
		100	9.81{1.00}	50.0			100
		110	8.92{0.91}	55.0			110
		120	8.17{0.83}	60.0			120
		125	7.85{0.80}	62.5			125
		130	7.54{0.77}	66.0			130
		140	7.00{0.71}	70.0			140
		150	6.54{0.67}	75.0			150
		160	6.13{0.63}	80.0			160
		170	5.77{0.59}	85.0			170
		175	5.60{0.57}	87.5			175
		180	5.45{0.56}	90.0			180
		190	5.16{0.53}	95.0			190
		200	4.90{0.50}	100.0			200
		250	3.92{0.40}	125.0			250
		300	3.27{0.33}	150.0			300

D	d	L	N/mm {kgf/mm} (Spring Constant)	F=Lx50%		Part Number		Unit Price
D	d	L	N/mm {kgf/mm} (Spring Constant)	Fmm	N{kgf} Load	Type D-L		Unit Price
37	26	35	33.62{3.43}	17.5	588.4 {60.0}	SWR37-	35
		40	29.42{3.00}	20.0			40
		45	26.15{2.67}	22.5			45
		50	23.54{2.40}	25.0			50
		55	21.40{2.18}	27.5			55
		60	19.61{2.00}	30.0			60
		65	18.10{1.85}	32.5			65
		70	16.81{1.71}	35.0			70
		75	15.69{1.60}	37.5			75
		80	14.71{1.50}	40.0			80
		90	13.08{1.33}	45.0			90
		100	11.77{1.20}	50.0			100
		110	10.70{1.09}	55.0			110
		120	9.81{1.00}	60.0			120
		125	9.41{0.96}	62.5			125
		130	9.05{0.92}	65.0			130
		140	8.41{0.86}	70.0			140
		150	7.85{0.80}	75.0			150
		160	7.35{0.75}	80.0			160
		170	6.92{0.71}	85.0			170
		175	6.72{0.69}	87.5			175
		180	6.54{0.67}	90.0			180
		190	6.19{0.63}	95.0			190
		200	5.88{0.60}	100.0			200
		250	4.71{0.48}	125.0			250
		300	3.92{0.40}	150.0			300
43	31	50	33.34{3.40}	25.0	833.6 {85.0}	SWR43-	50
		60	27.79{2.83}	30.0			60
		70	23.82{2.43}	35.0			70
		80	20.84{2.13}	40.0			80
		90	18.52{1.89}	45.0			90
		100	16.67{1.70}	50.0			100
		110	15.16{1.55}	55.0			110
		120	13.89{1.42}	60.0			120
		130	12.82{1.31}	65.0			130
		140	11.91{1.21}	70.0			140
		150	11.11{1.13}	75.0			150
		160	10.42{1.06}	80.0			160
		170	9.81{1.00}	85.0			170
		180	9.26{0.94}	90.0			180
		190	8.77{0.89}	95.0			190
		200	8.34{0.85}	100.0			200
		225	7.41{0.76}	112.5			225
		250	6.67{0.68}	125.0			250
		275	6.06{0.62}	137.5			275
		300	5.56{0.57}	150.0			300
46	33	50	43.15{4.40}	25.0	1079 {110.0}	SWR46-	50
		60	35.96{3.67}	30.0			60
		70	30.82{3.14}	35.0			70
		80	26.97{2.75}	40.0			80
		90	23.97{2.44}	45.0			90
		100	21.57{2.20}	50.0			100
		110	19.61{2.00}	55.0			110
		120	17.98{1.83}	60.0			120
		125	17.26{1.76}	62.5			125
		130	16.60{1.69}	65.0			130
		140	15.41{1.57}	70.0			140
		150	14.38{1.47}	75.0			150
		175	12.33{1.26}	87.5			175
		200	10.79{1.10}	100.0			200
		225	9.59{0.98}	112.5			225
		250	8.63{0.88}	125.0			250
		275	7.85{0.80}	137.5			275
		300	7.19{0.73}	150.0			300
50	36	50	52.96{5.40}	25.0	1324 {135.0}	SWR50-	50
		60	44.13{4.50}	30.0			60
		70	37.83{3.86}	35.0			70
		80	33.10{3.38}	40.0			80
		90	29.42{3.00}	45.0			90
		100	26.48{2.70}	50.0			100
		110	24.07{2.45}	55.0			110
		120	22.06{2.25}	60.0			120
		130	20.37{2.08}	65.0			130
		140	18.91{1.93}	70.0			140
		150	17.65{1.80}	75.0			150
		175	15.13{1.54}	87.5			175
		200	13.24{1.35}	100.0			200
		225	11.77{1.20}	112.5			225
		250	10.59{1.08}	125.0			250
		275	9.63{0.98}	137.5			275
		300	8.83{0.90}	150.0			300
		350	7.57{0.77}	175.0			350
		400	6.62{0.68}	200.0			400

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Data to be displayed: 30; 45; 60

Part Number
SWR21-25
SWR21-30
SWR21-35
SWR21-40
SWR21-45
SWR21-50
SWR21-55
SWR21-60
SWR21-65
SWR21-70
SWR21-75
SWR21-80
SWR21-90
SWR21-100
SWR21-110
SWR21-120
SWR21-125
SWR21-130
SWR21-140
SWR21-150
SWR21-175
SWR21-200
SWR26-25
SWR26-30
SWR26-35
SWR26-40
SWR26-45
SWR26-50
SWR26-55
SWR26-60
SWR26-65
SWR26-70
SWR26-75
SWR26-80
SWR26-90
SWR26-100
SWR26-110
SWR26-120
SWR26-125
SWR26-130
SWR26-140
SWR26-150
SWR26-175
SWR26-200
SWR26-225
SWR26-250
SWR31-35
SWR31-40
SWR31-45
SWR31-50
SWR31-55
SWR31-60
SWR31-65
SWR31-70
SWR31-75
SWR31-80
SWR31-90
SWR31-100
SWR31-110
SWR31-120

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Load (Configurable Range) (N)	Max. Load (N)	Height upon Max. Load applied L-F (mm)	Free Length L (mm)	Outer Dia. D (or D1) (mm)	Inner Dia. D-2d (or D) (mm)	Spring Constant (N/mm)	Allowable Deflection (mm)
2.48 €	1	Quote	10	230.01 to 580.00	294.2	12.5	25	21	13.5	23.54	12.5
2.58 €	1	Quote	10	230.01 to 580.00	294.2	15	30	21	13.5	19.61	15
2.76 €	1	Quote	10	230.01 to 580.00	294.2	17.5	35	21	13.5	16.81	17.5
2.43 €	1	Quote	10	230.01 to 580.00	294.2	20	40	21	13.5	14.71	20
3.10 €	1	Quote	10	230.01 to 580.00	294.2	22.5	45	21	13.5	13.08	22.5
3.25 €	1	Quote	10	230.01 to 580.00	294.2	25	50	21	13.5	11.77	25
3.43 €	1	Quote	10	230.01 to 580.00	294.2	27.5	55	21	13.5	10.7	27.5
3.61 €	1	Quote	10	230.01 to 580.00	294.2	30	60	21	13.5	9.81	30
3.78 €	1	Quote	10	230.01 to 580.00	294.2	32.5	65	21	13.5	9.05	32.5
3.95 €	1	Quote	10	230.01 to 580.00	294.2	35	70	21	13.5	8.41	35
4.10 €	1	Quote	10	230.01 to 580.00	294.2	37.5	75	21	13.5	7.85	37.5
4.22 €	1	Quote	10	230.01 to 580.00	294.2	40	80	21	13.5	7.35	40
3.64 €	1	Quote Stock	10	230.01 to 580.00	294.2	45	90	21	13.5	6.54	45
3.54 €	1	Quote Stock	10	230.01 to 580.00	294.2	50	100	21	13.5	5.88	50.0
5.53 €	1	Quote	10	230.01 to 580.00	294.2	55	110	21	13.5	5.35	55.0
5.78 €	1	Quote	10	230.01 to 580.00	294.2	60	120	21	13.5	4.9	60
4.97 €	1	Quote	10	230.01 to 580.00	294.2	62.5	125	21	13.5	4.71	62.5
6.01 €	1	Quote	10	230.01 to 580.00	294.2	65	130	21	13.5	4.53	65.0
6.40 €	1	Quote	10	230.01 to 580.00	294.2	70	140	21	13.5	4.2	70.0
4.12 €	1	Quote	10	230.01 to 580.00	294.2	75	150	21	13.5	3.92	75.0
6.56 €	1	Quote	10	230.01 to 580.00	294.2	87.5	175	21	13.5	3.36	87.5
7.01 €	1	Quote	10	230.01 to 580.00	294.2	100	200	21	13.5	2.94	100.0
3.10 €	1	Quote	10	230.01 to 580.00	392.3	12.5	25	26	16.5	31.38	12.5
3.25 €	1	Quote	10	230.01 to 580.00	392.3	15	30	26	16.5	26.15	15
3.45 €	1	Quote	10	230.01 to 580.00	392.3	17.5	35	26	16.5	22.42	17.5
3.66 €	1	Quote	10	230.01 to 580.00	392.3	20	40	26	16.5	19.61	20
3.84 €	1	Quote	10	230.01 to 580.00	392.3	22.5	45	26	16.5	17.43	22.5
4.02 €	1	Quote	10	230.01 to 580.00	392.3	25	50	26	16.5	15.69	25
4.09 €	1	Quote	10	230.01 to 580.00	392.3	27.5	55	26	16.5	14.26	27.5
4.48 €	1	Quote	10	230.01 to 580.00	392.3	30	60	26	16.5	13.08	30
4.63 €	1	Quote	10	230.01 to 580.00	392.3	32.5	65	26	16.5	12.07	32.5
4.82 €	1	Quote	10	230.01 to 580.00	392.3	35	70	26	16.5	11.21	35
4.83 €	1	Quote	10	230.01 to 580.00	392.3	37.5	75	26	16.5	10.46	37.5
5.17 €	1	Quote	10	230.01 to 580.00	392.3	40	80	26	16.5	9.81	40
4.40 €	1	Quote	10	230.01 to 580.00	392.3	45	90	26	16.5	8.72	45
5.76 €	1	Quote	10	230.01 to 580.00	392.3	50	100	26	16.5	7.85	50.0
6.71 €	1	Quote	10	230.01 to 580.00	392.3	55	110	26	16.5	7.13	55.0
7.27 €	1	Quote	10	230.01 to 580.00	392.3	60	120	26	16.5	6.54	60
6.32 €	1	Quote	10	230.01 to 580.00	392.3	62.5	125	26	16.5	6.28	62.5
7.21 €	1	Quote	10	230.01 to 580.00	392.3	65	130	26	16.5	6.03	65.0
7.50 €	1	Quote	10	230.01 to 580.00	392.3	70	140	26	16.5	5.6	70.0
6.88 €	1	Quote	10	230.01 to 580.00	392.3	75	150	26	16.5	5.23	75.0
8.40 €	1	Quote	10	230.01 to 580.00	392.3	87.5	175	26	16.5	4.48	87.5
9.12 €	1	Quote	10	230.01 to 580.00	392.3	100	200	26	16.5	3.92	100.0
9.65 €	1	Quote	10	230.01 to 580.00	392.3	112.5	225	26	16.5	3.49	112.5
10.04 €	1	Quote	10	230.01 to 580.00	392.3	125	250	26	16.5	3.14	125.0
3.84 €	1	Quote	10	230.01 to 580.00	490.3	17.5	35	31	21	28.02	17.5
3.99 €	1	Quote	10	230.01 to 580.00	490.3	20	40	31	21	24.52	20
4.25 €	1	Quote	10	230.01 to 580.00	490.3	22.5	45	31	21	21.79	22.5
4.38 €	1	Quote	10	230.01 to 580.00	490.3	25	50	31	21	19.61	25
4.30 €	1	Quote	10	230.01 to 580.00	490.3	27.5	55	31	21	17.83	27.5
4.78 €	1	Quote	10	230.01 to 580.00	490.3	30	60	31	21	16.34	30
4.65 €	1	Quote	10	230.01 to 580.00	490.3	32.5	65	31	21	15.09	32.5
5.19 €	1	Quote	10	230.01 to 580.00	490.3	35	70	31	21	14.01	35
5.04 €	1	Quote	10	230.01 to 580.00	490.3	37.5	75	31	21	13.08	37.5
5.63 €	1	Quote	10	230.01 to 580.00	490.3	40	80	31	21	12.26	40
5.85 €	1	Quote	10	230.01 to 580.00	490.3	45	90	31	21	10.9	45
6.45 €	1	Quote	10	230.01 to 580.00	490.3	50	100	31	21	9.81	50.0
7.65 €	1	Quote	10	230.01 to 580.00	490.3	55	110	31	21	8.92	55.0
5.56 €	1	Quote	10	230.01 to 580.00	490.3	60	120	31	21	8.17	60

More Information

•Load calculation method = Spring constant x Deflection
(Int'l Unit) N=N/mmxFmm
kgf=kgf/mmxFmm
(kgf=Nx0.101972)
Usage count: 1 Million Times (Lx55 is 300,000 Times)
How to use coil springs, and precautions >>P.328
About D dimension and back facing hole, and D dimension and shaft, see >>P.1881.

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Basic information

Material	Oil Tempered Wire

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72Suggestion of an applicable part number.

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Stock

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Basic Attributes

Max. Load(N)
78.5

88.3

127.5

196.1

294.2

392.3

490.3

588.4

833.6

1079

1324
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Height upon Max. Load applied L-F(mm)
7.5

10

12.5

15

17.5

20

22.5

25

27.5

30

32.5

35

37.5

40

45

50

55

60

62.5

65

70

75

80

85

87.5

90

95

100

112.5

125

137.5

150

175

200
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Free Length L(mm)
15

20

25

30

35

40

45

50

55

60

65

70

75

80

90

100

110

120

125

130

140

150

160

170

175

180

190

200

225

250

275

300

350

400
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Outer Dia. D (or D1)(mm)
10.5

12.5

14.5

17

21

26

31

37

43

46

50
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Inner Dia. D-2d (or D)(mm)
6

7

8.5

10.5

13.5

16.5

21

26

31

33

36
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Spring Constant(N/mm)
1.7

1.77

1.96

2.04

2.09

2.21

2.24

2.35

2.41

2.52

2.55

2.62

2.72

2.83

2.85

2.94

3.14

3.19

3.21

3.27

3.36

3.4

3.49

3.53

3.64

3.92

4.2

4.25

4.36

4.41

4.48

4.53

4.64

4.71

4.9

5.04

5.1

5.16

5.23

5.35

5.45

5.56

5.6

5.67

5.77

5.88

6.03

6.06

6.13

6.19

6.28

6.37

6.54

6.62

6.67

6.72

6.92

7

7.06

7.13

7.19

7.28

7.35

7.41

7.54

7.57

7.85

8.17

8.34

8.41

8.5

8.63

8.72

8.77

8.83

8.92

9.05

9.26

9.41

9.59

9.63

9.81

10.2

10.42

10.46

10.59

10.7

10.79

10.9

11.11

11.21

11.77

11.91

12.07

12.26

12.33

12.75

12.82

13.08

13.24

13.89

14.01

14.26

14.38

14.71

15.09

15.13

15.16

15.41

15.69

16.34

16.6

16.67

16.81

17

17.26

17.43

17.65

17.83

17.98

18.1

18.52

18.91

19.61

20.37

20.84

21.4

21.57

21.79

22.06

22.42

23.54

23.82

23.97

24.07

24.52

26.15

26.48

26.97

27.79

28.02

29.42

30.82

31.38

33.1

33.34

33.62

35.96

37.83

43.15

44.13

52.96
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Type
- SWR
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Allowable Load (Configurable Range)(N)
- 73.01 to 107.00
- 107.01 to 150.00
- 150.01 to 230.00
- 230.01 to 580.00
- 580.01 or More
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Filter by CAD data type
- 2D
- 3D
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