Tension Springs / Heavy Load (BWT5-20)

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Product Details:

Manufacturer part number: BWT5-20

Brand: MISUMI

Price: 2.26 €

Delivery time: 5 Days

Technical Data:

Material: JIS-SWP-A

Allowable Load (Configurable Range): 15.01 to 30.00 N

Hook Opposing Angle: 90°

Max. Load: 20.79 N

Length of Spring Used L+F: 24.6 mm

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BWT5-20

Drawing / Specifications
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Part Numbers
Catalog
Technical Information

Type	Material
AW□ BWT	JIS-SWP-A
AUT BUT	EN 1.4301 (WPB) Equiv.

Specifications

Part Number

AWT10-50

■Medium Heavy Load Type

Part Number		Wire Dia. dmm	Dynamic Load		(Initial Tension) N	(Spring Constant) N/mm	Unit Price
Type	D-L	Wire Dia. dmm	Max. Deflection Fmax. mm	Max. Load N	(Initial Tension) N	(Spring Constant) N/mm	Unit Price
AWF	3-10	0.45	2.2	6.47	1.57	2.26
	15		4.5			1.08
	20		6.7			0.74
	25		9.1			0.54
	30		11.4			0.43
AWF	4-15	0.55	4.5	8.43	1.86	1.47
	20		7.1			0.93
	25		10.0			0.66
	30		12.6			0.52
	35		15.2			0.43
	40		18.1			0.36
AWF	5-15	0.7	3.9	14.71	2.45	3.14
	20		6.9			1.77
	25		9.6			1.28
	30		12.5			0.98
	35		15.6			0.78
	40		19.2			0.64
	45		21.9			0.56
	50		25.0			0.49
AWF	6-20	0.9	3.9	23.54	5.88	4.51
	25		6.0			2.94
	30		7.8			2.26
	35		10.0			1.77
	40		12.0			1.47
	45		13.8			1.28
	50		16.4			1.08
	55		18.0			0.98
	60		20.0			0.88
AWF	8-25	1.1	5.8	31.38	6.86	4.23
	30		8.3			2.94
	35		10.9			2.26
	40		13.2			1.86
	45		15.6			1.57
	50		18.5			1.32
	55		21.7			1.13
	60		23.8			1.03
	65		26.3			0.93
	70		27.8			0.88
AWF	10-30	1.4	6.5	49.03	12.75	5.58
	35		8.7			4.17
	40		10.7			3.39
	45		12.9			2.81
	50		15.2			2.39
	55		17.2			2.11
	60		19.5			1.86
	70		23.1			1.57
	80		27.4			1.32
	90		32.1			1.13
	100		46.2			0.79
AWF	12-35	1.8	5.0	83.36	23.54	12.0
	40		7.0			8.55
	45		9.0			6.65
	50		11.0			5.44
	55		13.0			4.60
	60		14.5			4.13
	70		17.8			3.36
	80		21.3			2.81
	90		24.5			2.44
	100		27.5			2.18

■Heavy Load Type * marked dimensions are for AWT and AUT only.

Part Number		Wire Dia. dmm	Dynamic Load		(Initial Tension) N	(Spring Constant) N/mm	Unit Price
Type	D-L	Wire Dia. dmm	Max. Deflection Fmax. mm	Max. Load N	(Initial Tension) N	(Spring Constant) N/mm	AWT BWT	AUT BUT
AWT AUT BWT BUT	3-10	0.5	2.0	8.8	2.16	3.24
	15		3.7			1.77
	20		5.2			1.27
	25		6.8			0.98
	*30		8.5			0.78
AWT AUT BWT BUT	4-15	0.6	4.0	11.1	2.55	2.16
	20		6.4			1.37
	25		8.4			0.98
	30		10.9			0.78
	*35		12.4			0.69
	*40		15.0			0.57
AWT AUT BWT BUT	5-15	0.8	2.9	20.79	5.1	5.39
	20		4.6			3.43
	25		6.4			2.45
	30		8.4			1.86
	35		10.0			1.57
	*40		11.4			1.38
	*45		13.3			1.18
	*50		15.2			1.03
AWT BWT AUT BUT	6-20	1.0	3.7	33.15	8.6	6.57
	25		5.3			4.61
	30		6.9			3.53
	35		8.3			2.94
	40		10.0			2.45
	*45		10.8			2.27
	*50		12.5			1.96
	*55		14.3			1.71
	*60		15.6			1.57
AWT BWT AUT BUT	8-25	1.2	5.3	41.19	9.81	5.88
	30		7.3			4.31
	35		9.1			3.43
	40		11.9			2.65
	45		13.6			2.35
	50		15.5			2.06
	*55		16.8			1.87
	*60		18.8			1.67
	*65		20.6			1.52
	*70		22.8			1.38
AWT BWT AUT BUT	10-30	1.6	5.2	77.47	20.59	10.89
	35		6.8			8.34
	40		8.4			6.77
	45		10.0			5.69
	50		11.6			4.9
	55		13.2			4.31
	60		15.2			3.73
	*65		17.0			3.35
	*70		19.3			2.95
	*75		20.7			2.75
	*80		24.1			2.36
	*90		26.3			2.16
	*100		29.0			1.96
AWT BWT AUT BUT	12-40	2.0	6.6	120.62	34.3	13.04
	45		7.7			11.18
	50		9.4			9.22
	55		10.5			8.24
	60		12.1			7.16
	65		13.1			6.57
	70		14.9			5.79
	75		16.0			5.39
	80		17.6			4.9
	*90		19.1			4.52
	*100		22.0			3.92
AWT	14-40	2.3	5.8	154.95	45.11	19.02		-
	45		7.0			15.59
	50		8.4			13.14
	55		9.6			11.47
	60		10.9			10.1
	65		12.9			8.53
	70		14.2			7.75
	75		15.3			7.16
	80		16.7			6.57
	90		18.6			5.91
	100		21.1			5.21
	125		28.0			3.92
AWT	16-50	2.6	7.5	195.15	55.9	18.63		-
	55		9.0			15.49
	60		10.4			13.34
	65		11.9			11.67
	70		13.4			10.4
	75		15.0			9.32
	80		16.5			8.43
	90		19.4			7.16
	100		22.4			6.18
	125		28.4			4.90
	150		35.5			3.92
AWT	18-55	2.9	8.3	236.34	68.65	20.1		-
	60		10.0			16.67
	65		11.6			14.71
	70		12.5			13.44
	75		14.1			11.77
	80		15.8			10.79
	90		18.4			9.12
	100		21.6			7.75
	125		27.1			6.19
	150		34.2			4.90
AWT	20-60	3.2	9.2	281.45	82.38	21.57		-
	70		11.9			16.67
	80		14.7			13.53
	90		17.5			11.38
	100		20.1			9.9
	125		27.8			7.16
	150		33.8			5.89
	175		40.6			4.90
AWT	24-80	4.0	11.7	430.51	123.6	26.48		-
	90		13.7			22.46
	100		16.6			18.63
	125		22.5			13.63
	150		28.5			10.79
	175		34.4			8.92
	200		41.2			7.45

Initial tension and spring constant are for reference only. Load {kgf} = Load N x 0.101972

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Part Number
BWT5-20

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Material	Allowable Load (Configurable Range) (N)	Hook Opposing Angle	Max. Load (N)	Length of Spring Used L+F (mm)	Free Length L (mm)	O.D. D (mm)	Initial Tension (N)	Reference Spring Constant (N/mm)	Wire Dia. (mm)	Max. Deflection (mm)
	2.26 €	1	Available	5 Days	10	JIS-SWP-A	15.01 to 30.00	90°	20.79	24.6	20	5	5.1	3.43	0.8	4.6

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Basic information

Type	Standard Type

This page is Tension Springs / Heavy Load, part number BWT5-20.
You can find the detail information about specifications and dimensions on part number BWT5-20.

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Basic Attributes

Type
- AUT
- AWF
- AWT
- BUT
- BWT
Clear
Material
- EN 1.4301 (WPB) Equiv.
- JIS-SWP-A
Clear
Allowable Load (Configurable Range)(N)
- 3.51 to 8.00
- 8.01 to 15.00
- 15.01 to 30.00
- 30.01 to 60.00
- 60.01 to 110.00
- 110.01 or More
Clear
Hook Opposing Angle
- 180°
- 90°
Clear
Max. Load(N)
6.47

8.43

8.8

11.1

14.71

20.79

23.54

31.38

33.15

41.19

49.03

77.47

83.36

120.62

154.95

195.15

236.34

281.45

430.51
Clear
Length of Spring Used L+F(mm)
12

12.2

17.9

18.7

18.9

19

19.5

23.7

23.9

24.6

25.2

26.4

26.7

26.9

27.1

30.3

30.8

31

31.4

31.8

33.4

34.1

34.6

35

35.2

36.5

36.9

37.3

37.8

38.3

38.4

38.5

40

40.9

41.4

41.8

42.5

42.6

43.3

43.7

44.1

45

45.8

45.9

46.6

47

47.4

48.4

50

50.2

50.6

50.7

51.4

51.9

52

52.7

53.2

54

55

55.8

57.5

57.9

58.1

58.3

58.4

58.6

58.8

59.2

59.4

60.6

61

61.6

62.5

63.3

64

64.6

65.2

65.5

66.4

66.9

68

68.2

68.5

69.2

69.3

70

70.4

70.9

71.8

72.1

72.2

73

74.5

75

75.2

75.6

76.6

76.7

76.9

77.9

78.1

78.8

79.5

80

81.9

82

82.5

83.4

83.8

84.2

84.9

85.6

87.8

89.1

89.3

90

90.3

91

91.3

91.7

92.8

93.1

94.7

95.7

95.8

96.5

96.7

97.6

97.8

101.3

103.7

104.1

107.4

107.5

108.4

108.6

109.1

109.4

114.5

116.3

116.6

120.1

121.1

121.6

122

122.1

122.4

127.5

129

146.2

147.5

152.1

152.8

153

153.4

178.5

183.8

184.2

185.5

209.4

215.6

241.2
Clear
Free Length L(mm)
10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

90

100

125

150

175

200
Clear
O.D. D(mm)
3

4

5

6

8

10

12

14

16

18

20

24
Clear
Initial Tension(N)
1.57

1.86

2.16

2.45

2.55

5.1

5.88

6.86

8.6

9.81

12.75

20.59

23.54

34.3

45.11

55.9

68.65

82.38

123.6
Clear
Reference Spring Constant(N/mm)
0.36

0.43

0.49

0.52

0.54

0.56

0.57

0.64

0.66

0.69

0.74

0.78

0.79

0.88

0.93

0.98

1.03

1.08

1.13

1.18

1.27

1.28

1.32

1.37

1.38

1.47

1.52

1.57

1.67

1.71

1.77

1.86

1.87

1.96

2.06

2.11

2.16

2.18

2.26

2.27

2.35

2.36

2.39

2.44

2.45

2.65

2.75

2.81

2.94

2.95

3.14

3.24

3.35

3.36

3.39

3.43

3.53

3.73

3.92

4.13

4.17

4.23

4.31

4.51

4.52

4.60

4.61

4.9

5.21

5.39

5.44

5.58

5.69

5.79

5.88

5.89

5.91

6.18

6.19

6.57

6.65

6.77

7.16

7.45

7.75

8.24

8.34

8.43

8.53

8.55

8.92

9.12

9.22

9.32

9.9

10.1

10.4

10.79

10.89

11.18

11.38

11.47

11.67

11.77

12.0

13.04

13.14

13.34

13.44

13.53

13.63

14.71

15.49

15.59

16.67

18.63

19.02

20.1

21.57

22.46

26.48
Clear
Wire Dia.(mm)
0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.4

1.6

1.8

2

2.3

2.6

2.9

3.2

4
Clear
Max. Deflection(mm)
2

2.2

2.9

3.7

3.9

4

4.5

4.6

5

5.2

5.3

5.8

6

6.4

6.5

6.6

6.7

6.8

6.9

7

7.1

7.3

7.5

7.7

7.8

8.3

8.4

8.5

8.7

9

9.1

9.2

9.4

9.6

10

10.4

10.5

10.7

10.8

10.9

11

11.4

11.6

11.7

11.9

12

12.1

12.4

12.5

12.6

12.9

13

13.1

13.2

13.3

13.4

13.6

13.7

13.8

14.1

14.2

14.3

14.5

14.7

14.9

15

15.2

15.3

15.5

15.6

15.8

16

16.4

16.5

16.6

16.7

16.8

17

17.2

17.5

17.6

17.8

18

18.1

18.4

18.5

18.6

18.8

19.1

19.2

19.3

19.4

19.5

20

20.1

20.6

20.7

21.1

21.3

21.6

21.7

21.9

22

22.4

22.5

22.8

23.1

23.8

24.1

24.5

25.0

26.3

27.1

27.4

27.5

27.8

28

28.4

28.5

29

32.1

33.8

34.2

34.4

35.5

40.6

41.2

46.2
Clear
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Optional Attributes

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

Variation of this product

Part Number
AUT10-40
AUT10-45
AUT10-50
BWT5-25
BWT5-30
BWT5-35

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Material	Allowable Load (Configurable Range) (N)	Hook Opposing Angle	Max. Load (N)	Length of Spring Used L+F (mm)	Free Length L (mm)	O.D. D (mm)	Initial Tension (N)	Reference Spring Constant (N/mm)	Wire Dia. (mm)	Max. Deflection (mm)
3.53 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	60.01 to 110.00	180°	77.47	48.4	40	10	20.59	6.77	1.6	8.4
4.03 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	60.01 to 110.00	180°	77.47	55	45	10	20.59	5.69	1.6	10
4.03 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	60.01 to 110.00	180°	77.47	61.6	50	10	20.59	4.9	1.6	11.6
2.39 €	1	Available	5 Days	10	JIS-SWP-A	15.01 to 30.00	90°	20.79	31.4	25	5	5.1	2.45	0.8	6.4
2.39 €	1	Available	5 Days	10	JIS-SWP-A	15.01 to 30.00	90°	20.79	38.4	30	5	5.1	1.86	0.8	8.4
2.39 €	1	Available	5 Days	10	JIS-SWP-A	15.01 to 30.00	90°	20.79	45	35	5	5.1	1.57	0.8	10

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