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Flat Spring (Part Numbers)

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Volume Discount

Flat wire coil spring.
[Features]
· Convenient identification display for handling.
* May not correspond to thin wire diameters.
[Applications]
· Optimal for springs for industrial machinery, press molds and plastic molds.
[Materials]
· Silicon chrome steel wire (SWOSC equivalent)
[Winding direction]
· Right
[Type]
· Yellow - For extra light loads
· Blue - For light loads
· Red - For medium loads
· Green - For heavy loads
· Brown - For extra heavy loads

Part Number

Configured Part Number is shown.

Product TOP

: 30; 60; 90

Part Number
50-70125
50-70150
50-70175
50-70200
50-70250
50-70300
51-1020
51-1025
51-1030
51-1040
51-1050
51-1060
51-1070
51-1220
51-1225
51-1230
51-1240
51-1250
51-1260
51-1270
51-1430
51-1435
51-1440
51-1450
51-1460
51-1470
51-1480
51-1630
51-1635
51-1640
51-1650
51-1660
51-1670
51-1680
51-18100
51-1840
51-1845
51-1850
51-1860
51-1870
51-1880
51-20100
51-2040
51-2050
51-2060
51-2070
51-2080
51-2090
51-22100
51-22125
51-2240
51-2250
51-2260
51-2270
51-2280
51-25100
51-25125
51-25150
51-2550
51-2560
51-2570
51-2580
51-30100
51-30125
51-30150
51-30200
51-3060
51-3070
51-3080
51-35100
51-35125
51-35150
51-35200
51-3560
51-3570
51-3580
51-40100
51-40125
51-40150
51-40175
51-40200
51-4070
51-4080
51-50100
51-50125
51-50150
51-50175
51-50200
51-50250
51-5080

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Free length (mm)	Coil I.D. ID (Ø)	O.D. (Ø)	Height H2 at Allowable Load (mm)	Spring Constant (N/mm)	Max. Load (Secified Range) (N)	Max. Load (N)	Overall Deflection (mm)
MYR 136.71	1 Piece(s)	Available	13 Day(s) or more	125	38.5	70	62.5	62.7	580.01～	3538	56.2
MYR 160.19	1 Piece(s)	Available	13 Day(s) or more	150	38.5	70	75	52.3	580.01～	3538	67.5
MYR 183.35	1 Piece(s)	Available	13 Day(s) or more	175	38.5	70	87.5	44.8	580.01～	3538	78.7
MYR 210.00	1 Piece(s)	Available	13 Day(s) or more	200	38.5	70	100	39.2	580.01～	3538	90
MYR 252.51	1 Piece(s)	Available	13 Day(s) or more	250	38.5	70	125	31.4	580.01～	3538	112.5
MYR 300.92	1 Piece(s)	Available	13 Day(s) or more	300	38.5	70	150	26.1	580.01～	3538	135
MYR 10.34	1 Piece(s)	Available	13 Day(s) or more	20	5	10	12	17.7	107.01 to 150.00	127	7.2
MYR 10.34	1 Piece(s)	Available	13 Day(s) or more	25	5	10	15	14.2	107.01 to 150.00	127	9
MYR 10.34	1 Piece(s)	Available	13 Day(s) or more	30	5	10	18	11.9	107.01 to 150.00	127	10.8
MYR 11.01	1 Piece(s)	Available	13 Day(s) or more	40	5	10	24	8.8	107.01 to 150.00	127	14.4
MYR 12.64	1 Piece(s)	Available	13 Day(s) or more	50	5	10	30	7.2	107.01 to 150.00	127	18
MYR 15.34	1 Piece(s)	Available	13 Day(s) or more	60	5	10	36	5.9	107.01 to 150.00	127	21.6
MYR 16.46	1 Piece(s)	Available	13 Day(s) or more	70	5	10	42	5	107.01 to 150.00	127	25.2
MYR 11.01	1 Piece(s)	Available	13 Day(s) or more	20	6	12	12	25.8	150.01 to 230.00	186	7.2
MYR 11.52	1 Piece(s)	Available	13 Day(s) or more	25	6	12	15	20.6	150.01 to 230.00	186	9
MYR 12.64	1 Piece(s)	Available	13 Day(s) or more	30	6	12	18	17.2	150.01 to 230.00	186	10.8
MYR 13.99	1 Piece(s)	Available	13 Day(s) or more	40	6	12	24	12.9	150.01 to 230.00	186	14.4
MYR 16.46	1 Piece(s)	Available	13 Day(s) or more	50	6	12	30	10.3	150.01 to 230.00	186	18
MYR 15.51	1 Piece(s)	Available	13 Day(s) or more	60	6	12	36	8.63	150.01 to 230.00	186	21.6
MYR 17.03	1 Piece(s)	Available	13 Day(s) or more	70	6	12	42	7.4	150.01 to 230.00	186	25.2
MYR 16.46	1 Piece(s)	Available	7 Day(s) or more	30	7	14	18	22.9	230.01 to 580.00	245	10.8
MYR 14.55	1 Piece(s)	Available	13 Day(s) or more	35	7	14	21	19.6	230.01 to 580.00	245	12.6
MYR 15.51	1 Piece(s)	Available	13 Day(s) or more	40	7	14	24	17.2	230.01 to 580.00	245	14.4
MYR 17.03	1 Piece(s)	Available	13 Day(s) or more	50	7	14	30	13.7	230.01 to 580.00	245	18
MYR 18.54	1 Piece(s)	Available	13 Day(s) or more	60	7	14	36	11.5	230.01 to 580.00	245	21.6
MYR 19.10	1 Piece(s)	Available	13 Day(s) or more	70	7	14	42	9.81	230.01 to 580.00	245	25.2
MYR 21.02	1 Piece(s)	Available	13 Day(s) or more	80	7	14	48	8.5	230.01 to 580.00	245	28.8
MYR 14.55	1 Piece(s)	Available	13 Day(s) or more	30	8	16	18	28.4	230.01 to 580.00	314	10.8
MYR 15.51	1 Piece(s)		13 Day(s) or more	35	8	16	21	24.5	230.01 to 580.00	314	12.6
MYR 15.91	1 Piece(s)	Available	13 Day(s) or more	40	8	16	24	21.5	230.01 to 580.00	314	14.4
MYR 18.09	1 Piece(s)	Available	13 Day(s) or more	50	8	16	30	17.2	230.01 to 580.00	314	18
MYR 20.06	1 Piece(s)	Available	13 Day(s) or more	60	8	16	36	14.3	230.01 to 580.00	314	21.6
MYR 21.97	1 Piece(s)	Available	13 Day(s) or more	70	8	16	42	12.3	230.01 to 580.00	314	25.2
MYR 24.95	1 Piece(s)	Available	13 Day(s) or more	80	8	16	48	10.8	230.01 to 580.00	314	28.8
MYR 25.57	1 Piece(s)	Available	13 Day(s) or more	100	9	18	60	10.5	230.01 to 580.00	382	36
MYR 15.91	1 Piece(s)	Available	13 Day(s) or more	40	9	18	24	26.4	230.01 to 580.00	382	14.4
MYR 17.03	1 Piece(s)	Available	13 Day(s) or more	45	9	18	27	23.4	230.01 to 580.00	382	16.2
MYR 18.54	1 Piece(s)	Available	13 Day(s) or more	50	9	18	30	21.1	230.01 to 580.00	382	18
MYR 20.06	1 Piece(s)	Available	13 Day(s) or more	60	9	18	36	17.6	230.01 to 580.00	382	21.6
MYR 21.97	1 Piece(s)	Available	13 Day(s) or more	70	9	18	42	15.1	230.01 to 580.00	382	25.2
MYR 24.95	1 Piece(s)	Available	13 Day(s) or more	80	9	18	48	13.2	230.01 to 580.00	382	28.8
MYR 24.72	1 Piece(s)	Available	13 Day(s) or more	100	10	20	60	13.2	230.01 to 580.00	481	36
MYR 17.03	1 Piece(s)	Available	13 Day(s) or more	40	10	20	24	33.1	230.01 to 580.00	481	14.4
MYR 19.10	1 Piece(s)	Available	13 Day(s) or more	50	10	20	30	26.5	230.01 to 580.00	481	18
MYR 21.02	1 Piece(s)	Available	13 Day(s) or more	60	10	20	36	22.1	230.01 to 580.00	481	21.6
MYR 23.03	1 Piece(s)	Available	13 Day(s) or more	70	10	20	42	18.9	230.01 to 580.00	481	25.2
MYR 24.95	1 Piece(s)	Available	13 Day(s) or more	80	10	20	48	16.6	230.01 to 580.00	481	28.8
MYR 23.48	1 Piece(s)	Available	13 Day(s) or more	90	10	20	54	14.7	230.01 to 580.00	481	32.4
MYR 25.57	1 Piece(s)	Available	7 Day(s) or more	100	11	22	60	16.5	580.01～	588	36
MYR 28.10	1 Piece(s)	Available	13 Day(s) or more	125	11	22	75	13.1	580.01～	588	45
MYR 18.09	1 Piece(s)	Available	13 Day(s) or more	40	11	22	24	41.2	580.01～	588	14.4
MYR 19.10	1 Piece(s)	Available	13 Day(s) or more	50	11	22	30	32.9	580.01～	588	18
MYR 21.02	1 Piece(s)	Available	13 Day(s) or more	60	11	22	36	27.5	580.01～	588	21.6
MYR 23.03	1 Piece(s)	Available	13 Day(s) or more	70	11	22	42	23.5	580.01～	588	25.2
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	80	11	22	48	20.6	580.01～	588	28.8
MYR 26.35	1 Piece(s)	Available	13 Day(s) or more	100	12.5	25	60	20.6	580.01～	745	36
MYR 29.78	1 Piece(s)	Available	13 Day(s) or more	125	12.5	25	75	16.5	580.01～	745	45
MYR 33.26	1 Piece(s)	Available	13 Day(s) or more	150	12.5	25	90	13.7	580.01～	745	54
MYR 19.10	1 Piece(s)	Available	13 Day(s) or more	50	12.5	25	30	41.2	580.01～	745	18
MYR 21.97	1 Piece(s)	Available	13 Day(s) or more	60	12.5	25	36	34.3	580.01～	745	21.6
MYR 23.99	1 Piece(s)	Available	13 Day(s) or more	70	12.5	25	42	29.4	580.01～	745	25.2
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	80	12.5	25	48	25.8	580.01～	745	28.8
MYR 30.56	1 Piece(s)	Available	13 Day(s) or more	100	15	30	60	29.6	580.01～	1069	36
MYR 36.36	1 Piece(s)	Available	13 Day(s) or more	125	15	30	75	23.7	580.01～	1069	45
MYR 42.26	1 Piece(s)	Available	13 Day(s) or more	150	15	30	90	19.7	580.01～	1069	54
MYR 55.63	1 Piece(s)	Available	13 Day(s) or more	200	15	30	120	14.8	580.01～	1069	72
MYR 24.95	1 Piece(s)	Available	13 Day(s) or more	60	15	30	36	49.4	580.01～	1069	21.6
MYR 23.48	1 Piece(s)	Available	13 Day(s) or more	70	15	30	42	42.4	580.01～	1069	25.2
MYR 26.35	1 Piece(s)	Available	13 Day(s) or more	80	15	30	48	37.1	580.01～	1069	28.8
MYR 39.22	1 Piece(s)	Available	13 Day(s) or more	100	17.5	35	60	40.4	580.01～	1461	36
MYR 47.26	1 Piece(s)	Available	13 Day(s) or more	125	17.5	35	75	32.4	580.01～	1461	45
MYR 55.63	1 Piece(s)	Available	13 Day(s) or more	150	17.5	35	90	27	580.01～	1461	54
MYR 69.94	1 Piece(s)	Available	13 Day(s) or more	200	17.5	35	120	20.2	580.01～	1461	72
MYR 26.35	1 Piece(s)	Available	13 Day(s) or more	60	17.5	35	36	67.4	580.01～	1461	21.6
MYR 29.78	1 Piece(s)	Available	13 Day(s) or more	70	17.5	35	42	57.8	580.01～	1461	25.2
MYR 32.43	1 Piece(s)	Available	13 Day(s) or more	80	17.5	35	48	50.5	580.01～	1461	28.8
MYR 50.23	1 Piece(s)	Available	13 Day(s) or more	100	20	40	60	53	580.01～	1903	36
MYR 58.55	1 Piece(s)	Available	13 Day(s) or more	125	20	40	75	42.4	580.01～	1903	45
MYR 67.60	1 Piece(s)	Available	13 Day(s) or more	150	20	40	90	35.3	580.01～	1903	54
MYR 78.09	1 Piece(s)	Available	13 Day(s) or more	175	20	40	105	30.2	580.01～	1903	63
MYR 88.50	1 Piece(s)	Available	13 Day(s) or more	200	20	40	120	26.5	580.01～	1903	72
MYR 37.15	1 Piece(s)	Available	13 Day(s) or more	70	20	40	42	75.6	580.01～	1903	25.2
MYR 42.26	1 Piece(s)	Available	13 Day(s) or more	80	20	40	48	66.2	580.01～	1903	28.8
MYR 72.38	1 Piece(s)	Available	13 Day(s) or more	100	25	50	60	82.9	580.01～	2981	36
MYR 87.87	1 Piece(s)	Available	13 Day(s) or more	125	25	50	75	66.3	580.01～	2981	45
MYR 102.52	1 Piece(s)	Available	13 Day(s) or more	150	25	50	90	55.2	580.01～	2981	54
MYR 116.95	1 Piece(s)	Available	13 Day(s) or more	175	25	50	105	47.3	580.01～	2981	63
MYR 132.16	1 Piece(s)	Available	13 Day(s) or more	200	25	50	120	41.4	580.01～	2981	72
MYR 161.67	1 Piece(s)	Available	13 Day(s) or more	250	25	50	150	33.1	580.01～	2981	90
MYR 60.18	1 Piece(s)	Available	13 Day(s) or more	80	25	50	48	104	580.01～	2981	28.8

Basic Information

Material	Oil-tempered wire

Configure

487 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Free length(mm)
20

25

30

35

40

45

50

60

70

80

90

100

125

150

175

200

250

300
Clear
Coil I.D. ID(Ø)
5

6

7

8

9

10

11

12.5

13.5

15

16

17.5

19

20

22

25

27.5

30

33

38.5
Clear
O.D.(Ø)
10

12

14

16

18

20

22

25

30

35

40

50

60

70
Clear
Height H2 at Allowable Load(mm)
10

12

12.5

13.6

15

15.2

16

17

17.5

18

19

20

20.4

21

22.5

22.8

23.8

24

25

26.6

27

27.2

28

30

30.4

30.6

32

34

34.2

35

36

38

40

40.8

42

45

45.6

47.6

48

50

53.2

54

54.4

56

60

60.8

61.2

62.5

64

68

68.4

72

75

76

80

85

87.5

90

95

100

102

105

114

119

120

125

133

136

140

150

152

160

170

180

190

200

204

228

240
Clear
Spring Constant(N/mm)
2.8

3.3

3.9

4.4

4.6

4.9

5

5.1

5.5

5.9

6.3

6.4

6.5

6.9

7

7.1

7.2

7.3

7.4

7.8

8.2

8.5

8.63

8.7

8.8

9

9.2

9.4

9.6

9.8

9.81

10.1

10.2

10.3

10.5

10.8

11

11.2

11.3

11.5

11.8

11.9

12.3

12.5

12.6

12.7

12.8

12.9

13.1

13.2

13.7

14

14.1

14.2

14.3

14.7

14.8

14.9

15.1

15.3

15.4

15.7

16.3

16.5

16.6

16.7

17.1

17.2

17.5

17.6

17.7

18.8

18.9

19.5

19.6

19.7

19.8

19.9

20.1

20.2

20.4

20.6

21.1

21.5

22.1

22.3

22.4

22.6

22.9

23.4

23.5

23.7

23.8

24

24.5

24.8

24.9

25.1

25.5

25.8

26

26.1

26.4

26.5

27

27.2

27.4

27.5

28.2

28.4

29.2

29.4

29.6

29.7

29.8

30.1

30.2

30.6

30.7

30.9

31.2

31.4

31.5

32

32.2

32.4

32.9

33.1

34.1

34.3

34.4

35

35.1

35.3

35.5

35.8

36.8

37.1

37.4

37.6

38.2

39

39.2

39.3

39.6

39.7

39.8

40.1

40.4

40.6

40.8

41.2

41.4

42.4

42.5

43.8

44.1

44.2

44.4

44.6

44.8

44.9

45.1

46

47.3

47.4

47.7

47.9

48.2

49

49.4

49.5

49.7

49.8

50

50.5

51

52.2

52.3

52.4

52.6

53

54.4

54.7

55.1

55.2

56

56.4

56.6

56.9

57.8

58.5

59.2

59.4

59.5

59.8

60

60.2

61.1

61.3

62.7

62.9

63.8

65.3

66

66.2

66.3

67.4

68.1

68.8

68.9

69.6

70

71.1

73.5

73.6

74

74.2

74.7

74.9

75

75.6

76.4

76.5

76.6

78.4

78.5

78.6

78.7

79.2

79.4

80.1

80.3

81.7

82.9

84.6

85.4

86.8

87.1

87.3

87.5

88.1

88.2

88.3

89.8

91.9

92

93.8

94.8

95.3

95.4

95.6

96.1

98

98.1

99

99.6

100

102

104

105

107

109

110

111

112

114

118

119

120

123

126

127

130

131

136

137

138

140

141

142

147

148

149

150

153

157

158

159

160

163

172

174

176

177

179

184

187

191

192

196

200

204

208

209

214

221

235

239

240

245

250

251

252

260

262

280

282

284

294

299

300

307

314

327

341

343

349

353

383

392

400

403

419

427

441

448

470

488

490

523

564

569

613

683

706

853
Clear
Max. Load (Secified Range)(N)
- 73.01 to 107.00
- 107.01 to 150.00
- 150.01 to 230.00
- 230.01 to 580.00
- 580.01～
Clear
Max. Load(N)
88

124

127

159

176

185

186

229

245

255

256

265

282

314

343

353

373

379

382

397

441

451

481

512

520

569

588

635

662

677

706

745

853

864

882

1059

1069

1098

1103

1129

1275

1411

1461

1579

1657

1721

1764

1903

2160

2162

2380

2538

2820

2981

3177

3240

3538

4240

4286

4322

4413

5380

5645

6354

6619

7497

8820

9542

11301

12701

15362
Clear
Overall Deflection(mm)
3.6

4.3

4.5

5.4

5.8

6.3

6.5

7.2

7.5

8.1

8.6

9

9.7

10.1

10.8

11.2

11.5

12.6

13

13.5

14.4

15.1

15.7

16.2

17.3

18

19.4

20.2

21.6

22.5

23

25.2

25.9

27

28.8

31.5

32.4

36

37.8

40.5

43.2

45

50.4

54

56.2

57.6

63

64.8

67.5

72

78.7

86.4

90

108

112.5

135
Clear
type
- 50
- 51
- 52
- 53
- 54
Clear

Days to Ship

All

7 Day(s) or Less

10 Day(s) or Less

13 Day(s) or Less

14 Day(s) or Less

18 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm