MISUMI Top
Automation Components
Springs, Shock Absorbers
Springs
Compression Springs
Irregular Cross Section Wire Springs
Flat Wire Coil Springs / Deflection 50% / O.D. Referenced

Configure

Stock
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Allowable Load (Configurable Range)(N)

Max. Load(N)

78.5
88.3
127.5
196.1
294.2
392.3
490.3
588.4
833.6
1079
1324

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

Free Length L(mm)

Outer Dia. D (or D1)(mm)

10.5
12.5
14.5
17
21
26
31
37
43
46
50

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

6
7
8.5
10.5
13.5
16.5
21
26
31
33
36

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

Type

CAD

MISUMI

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

CatalogP.2-363

Part number:

Still undefined. 221 possible part numbers found.

Outline drawing and specifications table
Part number list
More Information
Catalog

Outline drawing and specifications table

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

Part number list

Number of items

Part number

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)

RoHS?

Minimum order quantity

73.01 to 107.00	78.5	7.5	15	10.5	6	10.46	10	1 pieces
73.01 to 107.00	78.5	10	20	10.5	6	7.85	10	1 pieces
73.01 to 107.00	78.5	12.5	25	10.5	6	6.28	10	1 pieces
73.01 to 107.00	78.5	15	30	10.5	6	5.23	10	1 pieces
73.01 to 107.00	78.5	17.5	35	10.5	6	4.48	10	1 pieces
73.01 to 107.00	78.5	20	40	10.5	6	3.92	10	1 pieces
73.01 to 107.00	78.5	22.5	45	10.5	6	3.49	10	1 pieces
73.01 to 107.00	78.5	25	50	10.5	6	3.14	10	1 pieces
73.01 to 107.00	78.5	27.5	55	10.5	6	2.85	10	1 pieces
73.01 to 107.00	78.5	30	60	10.5	6	2.62	10	1 pieces
73.01 to 107.00	78.5	32.5	65	10.5	6	2.41	10	1 pieces
73.01 to 107.00	78.5	35	70	10.5	6	2.24	10	1 pieces
73.01 to 107.00	78.5	37.5	75	10.5	6	2.09	10	1 pieces
73.01 to 107.00	78.5	40	80	10.5	6	1.96	10	1 pieces
73.01 to 107.00	88.3	7.5	15	12.5	7	11.77	10	1 pieces
73.01 to 107.00	88.3	10	20	12.5	7	8.83	10	1 pieces
73.01 to 107.00	88.3	12.5	25	12.5	7	7.06	10	1 pieces
73.01 to 107.00	88.3	15	30	12.5	7	5.88	10	1 pieces
73.01 to 107.00	88.3	17.5	35	12.5	7	5.04	10	1 pieces
73.01 to 107.00	88.3	20	40	12.5	7	4.41	10	1 pieces
73.01 to 107.00	88.3	22.5	45	12.5	7	3.92	10	1 pieces
73.01 to 107.00	88.3	25	50	12.5	7	3.53	10	1 pieces
73.01 to 107.00	88.3	27.5	55	12.5	7	3.21	10	1 pieces
73.01 to 107.00	88.3	30	60	12.5	7	2.94	10	1 pieces
73.01 to 107.00	88.3	32.5	65	12.5	7	2.72	10	1 pieces
73.01 to 107.00	88.3	35	70	12.5	7	2.52	10	1 pieces
73.01 to 107.00	88.3	37.5	75	12.5	7	2.35	10	1 pieces
73.01 to 107.00	88.3	40	80	12.5	7	2.21	10	1 pieces
73.01 to 107.00	88.3	45	90	12.5	7	1.96	10	1 pieces
73.01 to 107.00	88.3	50	100	12.5	7	1.77	10	1 pieces
107.01 to 150.00	127.5	7.5	15	14.5	8.5	17	10	1 pieces
107.01 to 150.00	127.5	10	20	14.5	8.5	12.75	10	1 pieces
107.01 to 150.00	127.5	12.5	25	14.5	8.5	10.2	10	1 pieces
107.01 to 150.00	127.5	15	30	14.5	8.5	8.5	10	1 pieces
107.01 to 150.00	127.5	17.5	35	14.5	8.5	7.28	10	1 pieces
107.01 to 150.00	127.5	20	40	14.5	8.5	6.37	10	1 pieces
107.01 to 150.00	127.5	22.5	45	14.5	8.5	5.67	10	1 pieces
107.01 to 150.00	127.5	25	50	14.5	8.5	5.1	10	1 pieces
107.01 to 150.00	127.5	27.5	55	14.5	8.5	4.64	10	1 pieces
107.01 to 150.00	127.5	30	60	14.5	8.5	4.25	10	1 pieces
107.01 to 150.00	127.5	32.5	65	14.5	8.5	3.92	10	1 pieces
107.01 to 150.00	127.5	35	70	14.5	8.5	3.64	10	1 pieces
107.01 to 150.00	127.5	37.5	75	14.5	8.5	3.4	10	1 pieces
107.01 to 150.00	127.5	40	80	14.5	8.5	3.19	10	1 pieces
107.01 to 150.00	127.5	45	90	14.5	8.5	2.83	10	1 pieces
107.01 to 150.00	127.5	50	100	14.5	8.5	2.55	10	1 pieces
107.01 to 150.00	127.5	62.5	125	14.5	8.5	2.04	10	1 pieces
107.01 to 150.00	127.5	75	150	14.5	8.5	1.7	10	1 pieces
150.01 to 230.00	196.1	10	20	17	10.5	19.61	10	1 pieces
150.01 to 230.00	196.1	12.5	25	17	10.5	15.69	10	1 pieces
150.01 to 230.00	196.1	15	30	17	10.5	13.08	10	1 pieces
150.01 to 230.00	196.1	17.5	35	17	10.5	11.21	10	1 pieces
150.01 to 230.00	196.1	20	40	17	10.5	9.81	10	1 pieces
150.01 to 230.00	196.1	22.5	45	17	10.5	8.72	10	1 pieces
150.01 to 230.00	196.1	25	50	17	10.5	7.85	10	1 pieces
150.01 to 230.00	196.1	27.5	55	17	10.5	7.13	10	1 pieces
150.01 to 230.00	196.1	30	60	17	10.5	6.54	10	1 pieces
150.01 to 230.00	196.1	32.5	65	17	10.5	6.03	10	1 pieces
150.01 to 230.00	196.1	35	70	17	10.5	5.6	10	1 pieces
150.01 to 230.00	196.1	37.5	75	17	10.5	5.23	10	1 pieces

Unit price (excluding VAT)(Unit price including VAT)	Standard shipping days

1.13 € ( 1.34 € )	Quote
1.05 € ( 1.25 € )	Quote
1.05 € ( 1.25 € )	Quote
1.33 € ( 1.58 € )	Quote
1.48 € ( 1.76 € )	Quote
1.59 € ( 1.89 € )	Quote
1.61 € ( 1.92 € )	Quote
1.72 € ( 2.05 € )	Quote
1.84 € ( 2.19 € )	Quote
1.90 € ( 2.26 € )	Quote
2.13 € ( 2.53 € )	Quote
2.23 € ( 2.65 € )	Quote
2.35 € ( 2.80 € )	Quote
2.48 € ( 2.95 € )	Quote
1.33 € ( 1.58 € )	Quote
1.23 € ( 1.46 € )	Quote
1.26 € ( 1.50 € )	Quote
1.76 € ( 2.09 € )	Quote
1.63 € ( 1.94 € )	Quote
1.62 € ( 1.93 € )	Quote
1.89 € ( 2.25 € )	Quote
2.02 € ( 2.40 € )	Quote
2.20 € ( 2.62 € )	Quote
2.30 € ( 2.74 € )	Quote
2.41 € ( 2.87 € )	Quote
2.54 € ( 3.02 € )	Quote
2.62 € ( 3.12 € )	Quote
2.84 € ( 3.38 € )	Quote
3.43 € ( 4.08 € )	Quote
3.69 € ( 4.39 € )	Quote
1.55 € ( 1.84 € )	Quote
1.60 € ( 1.90 € )	Quote
1.87 € ( 2.23 € )	Quote
2.04 € ( 2.43 € )	Quote
2.13 € ( 2.53 € )	Quote
2.30 € ( 2.74 € )	Quote
2.50 € ( 2.98 € )	Quote
2.63 € ( 3.13 € )	Quote
2.76 € ( 3.28 € )	Quote
2.91 € ( 3.46 € )	Quote
2.96 € ( 3.52 € )	Quote
3.20 € ( 3.81 € )	Quote
3.35 € ( 3.99 € )	Quote
3.50 € ( 4.17 € )	Quote
3.15 €1.29 € ( 1.54 € )	Quote
3.61 € ( 4.30 € )	Quote
4.19 € ( 4.99 € )	Quote
4.95 € ( 5.89 € )	Quote
2.46 € ( 2.93 € )	Quote
2.07 € ( 2.46 € )	Quote
2.23 € ( 2.65 € )	Quote
2.35 € ( 2.80 € )	Quote
2.38 € ( 2.83 € )	Quote
2.69 € ( 3.20 € )	Quote
2.33 €0.96 € ( 1.14 € )	Quote
3.00 € ( 3.57 € )	Quote
3.10 € ( 3.69 € )	Quote
3.30 € ( 3.93 € )	Quote
3.45 € ( 4.11 € )	Quote
3.58 € ( 4.26 € )	Quote

Basic information
Outline and specifications

Basic information

Technical information

Outline and specifications

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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