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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
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
53-1020
53-1025
53-1030
53-1040
53-1050
53-1060
53-1070
53-1220
53-1225
53-1230
53-1240
53-1250
53-1260
53-1270
53-1430
53-1435
53-1440
53-1450
53-1460
53-1470
53-1480
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
53-2090
53-22100
53-22125
53-2240
53-2250
53-2260
53-2270
53-2280
53-25100
53-25125
53-25150
53-2550
53-2560
53-2570
53-2580
53-30100
53-30125
53-30150
53-30200
53-3060
53-3070
53-3080
53-35100
53-35125
53-35150
53-35200
53-3560
53-3570

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 78.43	1 Piece(s)	Available	13 Day(s) or more	100	25	50	68	153	580.01～	4413	28.8
MYR 95.77	1 Piece(s)	Available	13 Day(s) or more	125	25	50	85	123	580.01～	4413	36
MYR 113.60	1 Piece(s)	Available	13 Day(s) or more	150	25	50	102	102	580.01～	4413	43.2
MYR 130.74	1 Piece(s)	Available	13 Day(s) or more	175	25	50	119	87.5	580.01～	4413	50.4
MYR 148.60	1 Piece(s)	Available	13 Day(s) or more	200	25	50	136	76.6	580.01～	4413	57.6
MYR 178.77	1 Piece(s)	Available	13 Day(s) or more	250	25	50	170	61.3	580.01～	4413	72
MYR 64.76	1 Piece(s)	Available	13 Day(s) or more	80	25	50	54.4	191	580.01～	4413	23
MYR 106.24	1 Piece(s)	Available	13 Day(s) or more	100	30	60	68	221	580.01～	6354	28.8
MYR 129.81	1 Piece(s)	Available	13 Day(s) or more	125	30	60	85	177	580.01～	6354	36
MYR 153.80	1 Piece(s)	Available	13 Day(s) or more	150	30	60	102	147	580.01～	6354	43.2
MYR 178.42	1 Piece(s)	Available	13 Day(s) or more	175	30	60	119	127	580.01～	6354	50.4
MYR 202.30	1 Piece(s)	Available	13 Day(s) or more	200	30	60	136	111	580.01～	6354	57.6
MYR 249.84	1 Piece(s)	Available	13 Day(s) or more	250	30	60	170	88.3	580.01～	6354	72
MYR 291.33	1 Piece(s)	Available	14 Day(s) or more	300	30	60	204	73.5	580.01～	6354	86.4
MYR 160.34	1 Piece(s)	Available	13 Day(s) or more	100	38.5	70	68	260	580.01～	7497	28.8
MYR 195.68	1 Piece(s)	Available	13 Day(s) or more	125	38.5	70	85	208	580.01～	7497	36
MYR 228.48	1 Piece(s)	Available	13 Day(s) or more	150	38.5	70	102	174	580.01～	7497	43.2
MYR 256.80	1 Piece(s)	Available	13 Day(s) or more	175	38.5	70	119	149	580.01～	7497	50.4
MYR 290.78	1 Piece(s)	Available	13 Day(s) or more	200	38.5	70	136	130	580.01～	7497	57.6
MYR 357.58	1 Piece(s)	Available	13 Day(s) or more	250	38.5	70	170	104	580.01～	7497	72
MYR 415.62	1 Piece(s)	Available	13 Day(s) or more	300	38.5	70	204	86.8	580.01～	7497	86.4
MYR 10.34	1 Piece(s)		13 Day(s) or more	20	5	10	15.2	61.3	230.01 to 580.00	265	4.3
MYR 11.01	1 Piece(s)	Available	13 Day(s) or more	25	5	10	19	49	230.01 to 580.00	265	5.4
MYR 11.52	1 Piece(s)	Available	13 Day(s) or more	30	5	10	22.8	40.8	230.01 to 580.00	265	6.5
MYR 13.99	1 Piece(s)	Available	13 Day(s) or more	40	5	10	30.4	30.9	230.01 to 580.00	265	8.6
MYR 13.99	1 Piece(s)	Available	13 Day(s) or more	50	5	10	38	24.5	230.01 to 580.00	265	10.8
MYR 14.55	1 Piece(s)	Available	13 Day(s) or more	60	5	10	45.6	20.4	230.01 to 580.00	265	13
MYR 15.51	1 Piece(s)	Available	13 Day(s) or more	70	5	10	53.2	17.5	230.01 to 580.00	265	15.1
MYR 13.99	1 Piece(s)	Available	13 Day(s) or more	20	6	12	15.2	87.3	230.01 to 580.00	373	4.3
MYR 13.99	1 Piece(s)	Available	13 Day(s) or more	25	6	12	19	69.6	230.01 to 580.00	373	5.4
MYR 15.34	1 Piece(s)	Available	13 Day(s) or more	30	6	12	22.8	58.5	230.01 to 580.00	373	6.5
MYR 14.55	1 Piece(s)	Available	13 Day(s) or more	40	6	12	30.4	43.8	230.01 to 580.00	373	8.6
MYR 15.91	1 Piece(s)	Available	13 Day(s) or more	50	6	12	38	35.1	230.01 to 580.00	373	10.8
MYR 17.03	1 Piece(s)	Available	13 Day(s) or more	60	6	12	45.6	29.2	230.01 to 580.00	373	13
MYR 18.09	1 Piece(s)	Available	13 Day(s) or more	70	6	12	53.2	24.9	230.01 to 580.00	379	15.1
MYR 14.55	1 Piece(s)	Available	13 Day(s) or more	30	7	14	22.8	80.3	230.01 to 580.00	520	6.5
MYR 15.51	1 Piece(s)	Available	13 Day(s) or more	35	7	14	26.6	68.8	230.01 to 580.00	520	7.5
MYR 15.91	1 Piece(s)	Available	18 Day(s) or more	40	7	14	30.4	60.2	230.01 to 580.00	520	8.6
MYR 18.09	1 Piece(s)	Available	13 Day(s) or more	50	7	14	38	48.2	230.01 to 580.00	520	10.8
MYR 19.10	1 Piece(s)	Available	13 Day(s) or more	60	7	14	45.6	40.1	230.01 to 580.00	520	13
MYR 20.06	1 Piece(s)	Available	13 Day(s) or more	70	7	14	53.2	34.4	230.01 to 580.00	520	15.1
MYR 21.02	1 Piece(s)	Available	13 Day(s) or more	80	7	14	60.8	30.1	230.01 to 580.00	520	17.3
MYR 15.91	1 Piece(s)	Available	13 Day(s) or more	30	8	16	22.8	105	580.01～	677	6.5
MYR 18.09	1 Piece(s)	Available	13 Day(s) or more	35	8	16	26.6	89.8	580.01～	677	7.5
MYR 18.54	1 Piece(s)	Available	13 Day(s) or more	40	8	16	30.4	78.6	580.01～	677	8.6
MYR 21.02	1 Piece(s)	Available	13 Day(s) or more	50	8	16	38	62.9	580.01～	677	10.8
MYR 23.03	1 Piece(s)	Available	13 Day(s) or more	60	8	16	45.6	52.4	580.01～	677	13
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	70	8	16	53.2	44.9	580.01～	677	15.1
MYR 24.27	1 Piece(s)	Available	13 Day(s) or more	80	8	16	60.8	39.3	580.01～	677	17.3
MYR 29.78	1 Piece(s)	Available	13 Day(s) or more	100	9	18	76	39.6	580.01～	853	21.6
MYR 20.06	1 Piece(s)	Available	13 Day(s) or more	40	9	18	30.4	99	580.01～	853	8.6
MYR 21.97	1 Piece(s)	Available	13 Day(s) or more	45	9	18	34.2	88.1	580.01～	853	9.7
MYR 23.03	1 Piece(s)	Available	13 Day(s) or more	50	9	18	38	79.2	580.01～	853	10.8
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	60	9	18	45.6	66	580.01～	853	13
MYR 23.48	1 Piece(s)	Available	13 Day(s) or more	70	9	18	53.2	56.6	580.01～	853	15.1
MYR 25.57	1 Piece(s)	Available	13 Day(s) or more	80	9	18	60.8	49.5	580.01～	853	17.3
MYR 28.10	1 Piece(s)	Available	13 Day(s) or more	100	10	20	76	49	580.01～	1059	21.6
MYR 18.54	1 Piece(s)	Available	13 Day(s) or more	40	10	20	30.4	123	580.01～	1059	8.6
MYR 21.02	1 Piece(s)	Available	13 Day(s) or more	50	10	20	38	98	580.01～	1059	10.8
MYR 23.03	1 Piece(s)	Available	13 Day(s) or more	60	10	20	45.6	81.7	580.01～	1059	13
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	70	10	20	53.2	70	580.01～	1059	15.1
MYR 24.27	1 Piece(s)	Available	13 Day(s) or more	80	10	20	60.8	61.3	580.01～	1059	17.3
MYR 26.35	1 Piece(s)	Available	13 Day(s) or more	90	10	20	68.4	54.4	580.01～	1059	19.4
MYR 31.35	1 Piece(s)	Available	13 Day(s) or more	100	11	22	76	59.2	580.01～	1275	21.6
MYR 29.78	1 Piece(s)	Available	13 Day(s) or more	125	11	22	95	47.3	580.01～	1275	27
MYR 19.10	1 Piece(s)	Available	13 Day(s) or more	40	11	22	30.4	148	580.01～	1275	8.6
MYR 20.06	1 Piece(s)	Available	13 Day(s) or more	50	11	22	38	119	580.01～	1275	10.8
MYR 21.97	1 Piece(s)	Available	13 Day(s) or more	60	11	22	45.6	99	580.01～	1275	13
MYR 23.99	1 Piece(s)	Available	13 Day(s) or more	70	11	22	53.2	84.6	580.01～	1275	15.1
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	80	11	22	60.8	74	580.01～	1275	17.3
MYR 29.78	1 Piece(s)	Available	13 Day(s) or more	100	12.5	25	76	76.4	580.01～	1657	21.6
MYR 35.40	1 Piece(s)	Available	13 Day(s) or more	125	12.5	25	95	61.1	580.01～	1657	27
MYR 40.63	1 Piece(s)	Available	13 Day(s) or more	150	12.5	25	114	51	580.01～	1657	32.4
MYR 23.03	1 Piece(s)	Available	13 Day(s) or more	50	12.5	25	38	153	580.01～	1657	10.8
MYR 25.90	1 Piece(s)	Available	13 Day(s) or more	60	12.5	25	45.6	127	580.01～	1657	13
MYR 24.27	1 Piece(s)	Available	13 Day(s) or more	70	12.5	25	53.2	109	580.01～	1657	15.1
MYR 26.35	1 Piece(s)	Available	13 Day(s) or more	80	12.5	25	60.8	95.4	580.01～	1657	17.3
MYR 40.63	1 Piece(s)	Available	13 Day(s) or more	100	15	30	76	111	580.01～	2380	21.6
MYR 48.66	1 Piece(s)	Available	13 Day(s) or more	125	15	30	95	88.3	580.01～	2380	27
MYR 55.80	1 Piece(s)	Available	13 Day(s) or more	150	15	30	114	73.5	580.01～	2380	32.4
MYR 72.25	1 Piece(s)	Available	13 Day(s) or more	200	15	30	152	55.1	580.01～	2380	43.2
MYR 28.10	1 Piece(s)	Available	13 Day(s) or more	60	15	30	45.6	184	580.01～	2380	13
MYR 29.78	1 Piece(s)	Available	13 Day(s) or more	70	15	30	53.2	158	580.01～	2380	15.1
MYR 32.43	1 Piece(s)	Available	13 Day(s) or more	80	15	30	60.8	138	580.01～	2380	17.3
MYR 53.22	1 Piece(s)	Available	13 Day(s) or more	100	17.5	35	76	150	580.01～	3240	21.6
MYR 62.09	1 Piece(s)	Available	13 Day(s) or more	125	17.5	35	95	120	580.01～	3240	27
MYR 71.94	1 Piece(s)	Available	13 Day(s) or more	150	17.5	35	114	100	580.01～	3240	32.4
MYR 95.31	1 Piece(s)	Available	13 Day(s) or more	200	17.5	35	152	74.9	580.01～	3240	43.2
MYR 35.40	1 Piece(s)	Available	13 Day(s) or more	60	17.5	35	45.6	250	580.01～	3240	13
MYR 40.12	1 Piece(s)	Available	13 Day(s) or more	70	17.5	35	53.2	214	580.01～	3240	15.1

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