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Flat Spring (Part Numbers)

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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
51-70100
51-70125
51-70150
51-70175
51-70200
51-70250
51-70300
52-20100
52-2040
52-2050
52-2060
52-2070
52-2080
52-2090
52-22100
52-22125
52-2240
52-2250
52-2260
52-2270
52-2280
52-25100
52-25125
52-25150
52-2550
52-2560
52-2570
52-2580
52-30100
52-30125
52-30150
52-30200
52-3060
52-3070
52-3080
52-35100
52-35125
52-35150
52-35200
52-3560
52-3570
52-3580
52-40100
52-40125
52-40150
52-40175
52-40200
52-4070
52-4080
52-50100
52-50125
52-50150
52-50175
52-50200
52-50250
52-5080
52-60100
52-60125
52-60150
52-60175
52-60200
52-60250
52-60300
52-70100
52-70125
52-70150
52-70175
52-70200
52-70250
52-70300
53-1630
53-1635
53-1640
53-1650
53-1660
53-1670
53-1680
53-18100
53-1840
53-1845
53-1850
53-1860
53-1870
53-1880
53-20100
53-2040
53-2050
53-2060
53-2070
53-2080

Standard Unit Price	Minimum order quantity	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 148.14	1 Piece(s)	13 Day(s) or more	100	38.5	70	60	149	580.01～	5380	36
MYR 172.86	1 Piece(s)	13 Day(s) or more	125	38.5	70	75	120	580.01～	5380	45
MYR 192.36	1 Piece(s)	13 Day(s) or more	150	38.5	70	90	99.6	580.01～	5380	54
MYR 230.36	1 Piece(s)	13 Day(s) or more	175	38.5	70	105	85.4	580.01～	5380	63
MYR 269.04	1 Piece(s)	13 Day(s) or more	200	38.5	70	120	74.7	580.01～	5380	72
MYR 325.86	1 Piece(s)	13 Day(s) or more	250	38.5	70	150	59.8	580.01～	5380	90
MYR 387.85	1 Piece(s)	13 Day(s) or more	300	38.5	70	180	49.8	580.01～	5380	108
MYR 28.10	1 Piece(s)	13 Day(s) or more	100	10	20	68	24.5	580.01～	706	28.8
MYR 18.54	1 Piece(s)	13 Day(s) or more	40	10	20	27.2	61.3	580.01～	706	11.5
MYR 21.02	1 Piece(s)	13 Day(s) or more	50	10	20	34	49	580.01～	706	14.4
MYR 23.03	1 Piece(s)	13 Day(s) or more	60	10	20	40.8	40.8	580.01～	706	17.3
MYR 25.90	1 Piece(s)	13 Day(s) or more	70	10	20	47.6	35	580.01～	706	20.2
MYR 24.27	1 Piece(s)	13 Day(s) or more	80	10	20	54.4	30.6	580.01～	706	23
MYR 26.35	1 Piece(s)	13 Day(s) or more	90	10	20	61.2	27.2	580.01～	706	25.9
MYR 23.48	1 Piece(s)	13 Day(s) or more	100	11	22	68	29.7	580.01～	853	28.8
MYR 27.20	1 Piece(s)	13 Day(s) or more	125	11	22	85	23.7	580.01～	853	36
MYR 18.54	1 Piece(s)	13 Day(s) or more	40	11	22	27.2	74.2	580.01～	853	11.5
MYR 19.10	1 Piece(s)	13 Day(s) or more	50	11	22	34	59.4	580.01～	853	14.4
MYR 21.02	1 Piece(s)	13 Day(s) or more	60	11	22	40.8	49.5	580.01～	853	17.3
MYR 23.03	1 Piece(s)	13 Day(s) or more	70	11	22	47.6	42.5	580.01～	853	20.2
MYR 24.95	1 Piece(s)	13 Day(s) or more	80	11	22	54.4	37.1	580.01～	853	23
MYR 28.10	1 Piece(s)	13 Day(s) or more	100	12.5	25	68	38.2	580.01～	1098	28.8
MYR 32.43	1 Piece(s)	13 Day(s) or more	125	12.5	25	85	30.6	580.01～	1098	36
MYR 37.15	1 Piece(s)	13 Day(s) or more	150	12.5	25	102	25.5	580.01～	1098	43.2
MYR 21.02	1 Piece(s)	13 Day(s) or more	50	12.5	25	34	76.6	580.01～	1098	14.4
MYR 23.03	1 Piece(s)	13 Day(s) or more	60	12.5	25	40.8	63.8	580.01～	1098	17.3
MYR 25.90	1 Piece(s)	13 Day(s) or more	70	12.5	25	47.6	54.7	580.01～	1098	20.2
MYR 24.27	1 Piece(s)	13 Day(s) or more	80	12.5	25	54.4	47.9	580.01～	1098	23
MYR 35.40	1 Piece(s)	13 Day(s) or more	100	15	30	68	55.1	580.01～	1579	28.8
MYR 42.26	1 Piece(s)	13 Day(s) or more	125	15	30	85	44.1	580.01～	1579	36
MYR 48.66	1 Piece(s)	13 Day(s) or more	150	15	30	102	36.8	580.01～	1579	43.2
MYR 60.59	1 Piece(s)	13 Day(s) or more	200	15	30	136	27.5	580.01～	1579	57.6
MYR 24.72	1 Piece(s)	13 Day(s) or more	60	15	30	40.8	91.9	580.01～	1579	17.3
MYR 28.10	1 Piece(s)	13 Day(s) or more	70	15	30	47.6	78.7	580.01～	1579	20.2
MYR 29.78	1 Piece(s)	13 Day(s) or more	80	15	30	54.4	68.9	580.01～	1579	23
MYR 46.47	1 Piece(s)	13 Day(s) or more	100	17.5	35	68	75	580.01～	2160	28.8
MYR 55.97	1 Piece(s)	13 Day(s) or more	125	17.5	35	85	60	580.01～	2160	36
MYR 63.77	1 Piece(s)	10 Day(s) or more	150	17.5	35	102	50	580.01～	2160	43.2
MYR 82.12	1 Piece(s)	13 Day(s) or more	200	17.5	35	136	37.4	580.01～	2160	57.6
MYR 31.02	1 Piece(s)	13 Day(s) or more	60	17.5	35	40.8	126	580.01～	2160	17.3
MYR 35.40	1 Piece(s)	13 Day(s) or more	70	17.5	35	47.6	107	580.01～	2160	20.2
MYR 39.22	1 Piece(s)	13 Day(s) or more	80	17.5	35	54.4	93.8	580.01～	2160	23
MYR 53.61	1 Piece(s)	13 Day(s) or more	100	20	40	68	98.1	580.01～	2820	28.8
MYR 64.00	1 Piece(s)	13 Day(s) or more	125	20	40	85	78.5	580.01～	2820	36
MYR 75.65	1 Piece(s)	13 Day(s) or more	150	20	40	102	65.3	580.01～	2820	43.2
MYR 87.24	1 Piece(s)	13 Day(s) or more	175	20	40	119	56	580.01～	2820	50.4
MYR 98.65	1 Piece(s)	13 Day(s) or more	200	20	40	136	49	580.01～	2820	57.6
MYR 39.55	1 Piece(s)	13 Day(s) or more	70	20	40	47.6	140	580.01～	2820	20.2
MYR 44.45	1 Piece(s)	13 Day(s) or more	80	20	40	54.4	123	580.01～	2820	23
MYR 78.43	1 Piece(s)	13 Day(s) or more	100	25	50	68	153	580.01～	4413	28.8
MYR 95.77	1 Piece(s)	13 Day(s) or more	125	25	50	85	123	580.01～	4413	36
MYR 113.60	1 Piece(s)	13 Day(s) or more	150	25	50	102	102	580.01～	4413	43.2
MYR 130.74	1 Piece(s)	13 Day(s) or more	175	25	50	119	87.5	580.01～	4413	50.4
MYR 148.60	1 Piece(s)	13 Day(s) or more	200	25	50	136	76.6	580.01～	4413	57.6
MYR 178.77	1 Piece(s)	13 Day(s) or more	250	25	50	170	61.3	580.01～	4413	72
MYR 64.76	1 Piece(s)	13 Day(s) or more	80	25	50	54.4	191	580.01～	4413	23
MYR 106.24	1 Piece(s)	13 Day(s) or more	100	30	60	68	221	580.01～	6354	28.8
MYR 129.81	1 Piece(s)	13 Day(s) or more	125	30	60	85	177	580.01～	6354	36
MYR 153.80	1 Piece(s)	13 Day(s) or more	150	30	60	102	147	580.01～	6354	43.2
MYR 178.42	1 Piece(s)	13 Day(s) or more	175	30	60	119	127	580.01～	6354	50.4
MYR 202.30	1 Piece(s)	13 Day(s) or more	200	30	60	136	111	580.01～	6354	57.6
MYR 249.84	1 Piece(s)	13 Day(s) or more	250	30	60	170	88.3	580.01～	6354	72
MYR 291.33	1 Piece(s)	14 Day(s) or more	300	30	60	204	73.5	580.01～	6354	86.4
MYR 160.34	1 Piece(s)	13 Day(s) or more	100	38.5	70	68	260	580.01～	7497	28.8
MYR 195.68	1 Piece(s)	13 Day(s) or more	125	38.5	70	85	208	580.01～	7497	36
MYR 228.48	1 Piece(s)	13 Day(s) or more	150	38.5	70	102	174	580.01～	7497	43.2
MYR 256.80	1 Piece(s)	13 Day(s) or more	175	38.5	70	119	149	580.01～	7497	50.4
MYR 290.78	1 Piece(s)	13 Day(s) or more	200	38.5	70	136	130	580.01～	7497	57.6
MYR 357.58	1 Piece(s)	13 Day(s) or more	250	38.5	70	170	104	580.01～	7497	72
MYR 415.62	1 Piece(s)	13 Day(s) or more	300	38.5	70	204	86.8	580.01～	7497	86.4
MYR 15.91	1 Piece(s)	13 Day(s) or more	30	8	16	22.8	105	580.01～	677	6.5
MYR 18.09	1 Piece(s)	13 Day(s) or more	35	8	16	26.6	89.8	580.01～	677	7.5
MYR 18.54	1 Piece(s)	13 Day(s) or more	40	8	16	30.4	78.6	580.01～	677	8.6
MYR 21.02	1 Piece(s)	13 Day(s) or more	50	8	16	38	62.9	580.01～	677	10.8
MYR 23.03	1 Piece(s)	13 Day(s) or more	60	8	16	45.6	52.4	580.01～	677	13
MYR 25.90	1 Piece(s)	13 Day(s) or more	70	8	16	53.2	44.9	580.01～	677	15.1
MYR 24.27	1 Piece(s)	13 Day(s) or more	80	8	16	60.8	39.3	580.01～	677	17.3
MYR 29.78	1 Piece(s)	13 Day(s) or more	100	9	18	76	39.6	580.01～	853	21.6
MYR 20.06	1 Piece(s)	13 Day(s) or more	40	9	18	30.4	99	580.01～	853	8.6
MYR 21.97	1 Piece(s)	13 Day(s) or more	45	9	18	34.2	88.1	580.01～	853	9.7
MYR 23.03	1 Piece(s)	13 Day(s) or more	50	9	18	38	79.2	580.01～	853	10.8
MYR 25.90	1 Piece(s)	13 Day(s) or more	60	9	18	45.6	66	580.01～	853	13
MYR 23.48	1 Piece(s)	13 Day(s) or more	70	9	18	53.2	56.6	580.01～	853	15.1
MYR 25.57	1 Piece(s)	13 Day(s) or more	80	9	18	60.8	49.5	580.01～	853	17.3
MYR 28.10	1 Piece(s)	13 Day(s) or more	100	10	20	76	49	580.01～	1059	21.6
MYR 18.54	1 Piece(s)	13 Day(s) or more	40	10	20	30.4	123	580.01～	1059	8.6
MYR 21.02	1 Piece(s)	13 Day(s) or more	50	10	20	38	98	580.01～	1059	10.8
MYR 23.03	1 Piece(s)	13 Day(s) or more	60	10	20	45.6	81.7	580.01～	1059	13
MYR 25.90	1 Piece(s)	13 Day(s) or more	70	10	20	53.2	70	580.01～	1059	15.1
MYR 24.27	1 Piece(s)	13 Day(s) or more	80	10	20	60.8	61.3	580.01～	1059	17.3

Basic Information

Material	Oil-tempered wire

Configure

321 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

17.8

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

Additional Products in this Category

Tech Support

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Flat Spring (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Free length(mm)

Coil I.D. ID(Ø)

O.D.(Ø)

Height H2 at Allowable Load(mm)

Spring Constant(N/mm)

Max. Load(N)

Overall Deflection(mm)

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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