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Extra Light Load / Light Load / Light to Medium Load / Medium Load

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Part Numbers
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Technical Information

Dimensional Drawing

AW□
AU□(Stainless Steel)

*Inner diameter dimensions

Tension Springs - Extra Light Load / Light Load / Light Medium Load / Medium Load Type: Related Image

BW□
BU□□(Stainless Steel)

Free Length L D = less than 18 ±1.0
D = 18 or more ±1.5

*Inner diameter dimensions

● How to calculate the number of coils (reference value):
Total Coils = [L - 2(D - d)]/d
Number of active coils = total coils - 2
* The values of the number of coils are for reference only.
There may be some variations depending on the lot.

● Calculation Example of Number of Coils (Reference Value)
Part Number: For AWU20-60
｛60－2（20－2.3）｝÷2.3＝10
Number of active coils = 10-2

[ ! ] This product is right winding.
[ ! ] Material: EN 1.4301 Equiv. (WPB) is magnetic.
[ ! ] The usage count is 1 million (approx.). However, the usage count varies depending on the operating environment, such as temperature and pull force.
It is recommended to use the springs within the range of the allowable deflection F max.(mm).
[ ! ] Use in an environment above the operating temperature will cause the load value to decline.

Product Specifications

Type	[M] Material	Operating Temperature
AW□ BW□	JIS−SWP−A	Ambient Temperature (0 to 40°C)
AU□ BU□□	EN 1.4301 Equiv. (WPB)	－10 to 100℃

Part Number Display Method

Part Number

AWY10−50

Specification Table

■Extra Light Load

Part Number		Wire Dia. d mm	Dynamic Load		Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
Type	D−L	Wire Dia. d mm	Max. Deflection Fmax. mm	Max. Load N	Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
AWA AUA	2−10	0.2	6.7	0.69	0.13	0.083
	15		11.8			0.047
	20		17.2			0.032
	25		22.8			0.025
	30		28.5			0.020
AWA AUA	3−10	0.25	10.4	1.27	0.15	0.11
	15		23.0			0.049
	20		35.9			0.031
	25		47.9			0.024
	30		57.5			0.020
AWA AUA	4−15	0.35	14.6	2.26	0.25	0.14
	20		24.1			0.083
	25		32.5			0.062
	30		42.7			0.047
	35		51.2			0.039
	40		60.3			0.033
AWA AUA	5−15	0.45	8.2	3.24	0.49	0.33
	20		15.5			0.18
	25		21.5			0.13
	30		29.4			0.093
	35		35.0			0.078
	40		43.0			0.064
	45		50.9			0.054
	50		56.0			0.049
AWA AUA	6−20	0.55	16.2	6.08	0.64	0.34
	25		25.2			0.22
	30		34.7			0.16
	35		42.7			0.13
	40		50.4			0.11
	45		61.6			0.088
	50		69.3			0.079
	55		79.3			0.069
	60		85.3			0.064
AWA AUA	8−25	0.7	18.1	8.53	1.08	0.41
	30		27.1			0.28
	35		36.2			0.21
	40		44.7			0.17
	45		54.2			0.14
	50		63.3			0.12
	55		69.0			0.11
	60		80.0			0.093
	65		89.4			0.083
	70		95.0			0.078
AWA AUA	10−30	0.9	13.4	10.8	2.06	0.65
	35		18.5			0.47
	40		24.0			0.36
	45		29.6			0.29
	50		35.6			0.25
	55		42.3			0.21
	60		46.8			0.19
	70		59.3			0.15
	80		68.4			0.13
	90		80.9			0.11
	100		93.6			0.093
AWA AUA	12−35	1.1	17.8	19.6	2.94	0.94
	40		25.0			0.67
	45		31.0			0.54
	50		37.7			0.44
	55		44.7			0.37
	60		51.5			0.32
	70		65.3			0.26
	80		77.2			0.22
	90		94.4			0.18
	100		106.2			0.16

[!] Initial tension and spring constant are for reference only.
There may be some variations depending on the lot.
Load [kgf] = Load N × 0.101972

■Light Load Type * marked dimensions are for AWY and AUY only.

Part Number		Wire Dia. d mm	Dynamic Load		Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
Type	D−L	Wire Dia. d mm	Max. Deflection Fmax. mm	Max. Load N	Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
AWY AUY	2−10	0.25	5.7	1.86	0.34	0.27
	15		10.3			0.15
	20		14.0			0.11
	25		18.2			0.08
	30		22.1			0.07
AWY BWY AUY BUY	3−10	0.3	8.7	2.25	0.29	0.23
	15		16.6			0.12
	20		25.0			0.08
	25		33.3			0.06
	30		40.0			0.05
AWY BWY AUY BUY	4−15	0.4	10.0	3.24	0.59	0.26
	20		16.8			0.16
	25		22.5			0.12
	30		28.4			0.09
	35		33.7			0.08
	40		38.5			0.07
AWY BWY AUY BUY	5−15	0.5	6.8	4.22	0.88	0.49
	20		11.7			0.28
	25		17.0			0.20
	30		21.2			0.16
	35		26.1			0.13
	40		34.0			0.10
	45		37.7			0.09
	50		42.5			0.08
AWY BWY AUY BUY	6−20	0.6	14.0	8.14	1.27	0.49
	25		21.2			0.32
	30		28.0			0.25
	35		35.0			0.20
	40		41.1			0.17
	45		50.0			0.14
	50		53.8			0.13
	55		63.6			0.11
	60		70.0			0.10
AWY BWY AUY BUY	8−25	0.8	15.1	12.75	2.35	0.69
	30		21.2			0.49
	35		26.5			0.39
	40		33.1			0.31
	45		39.2			0.26
	50		46.0			0.23
	55		48.1			0.22
	60		53.0			0.20
	65		58.8			0.18
	70		66.2			0.16
AWY BWY AUY BUY * marked dimensions are for AWY and AUY only	10−30	1.0	11.5	15.00	3.73	0.98
	35		15.3			0.74
	40		19.8			0.57
	45		23.9			0.47
	50		28.7			0.39
	55		32.8			0.34
	60		37.0			0.30
	65		39.6			0.29
	70		44.2			0.26
	75		47.9			0.24
	80		52.2			0.22
	* 90		60.5			0.19
	* 100		71.8			0.16
AWY BWY AUY BUY	12−35	1.2	22.0	31.37	5.39	1.18
	40		27.8			0.93
	45		35.3			0.74
	50		42.0			0.62
	55		50.0			0.52
	60		55.2			0.47
	65		63.0			0.41
	70		69.7			0.37
	75		77.9			0.33
	80		82.8			0.31
	90		91.3			0.29
	100		106.0			0.25
AWY AUY	14−40	1.5	15.4	38.24	8.43	1.94
	45		21.0			1.42
	50		25.4			1.17
	55		30.8			0.97
	60		37.0			0.8
	65		43.2			0.69
	70		46.2			0.64
	75		52.8			0.56
	80		58.3			0.51
	90		68.1			0.43
	100		76.4			0.39
	125		91.0			0.33
AWY AUY	16−45	1.6 (AWY) 1.7 (AUY)	15.8	43.15	9.12	2.16
	50		21.0			1.62
	55		25.7			1.32
	60		31.5			1.08
	65		35.8			0.95
	70		40.8			0.83
	75		46.3			0.74
	80		49.6			0.69
	90		60.9			0.56
	100		69.4			0.49
	125		91.3			0.37
	150		115.6			0.29
AWY	18−50	1.8	21.0	52.96	9.81	2.05
	55		26.0			1.66
	60		31.0			1.39
	65		36.0			1.20
	70		42.0			1.03
	75		46.0			0.94
	80		54.0			0.80
	90		66.0			0.65
	100		75.0			0.58
	125		104.5			0.41
	150		132.0			0.33
AWY	20−60	2.0	29.1	78.45	12.75	2.26
	70		41.8			1.57
	80		53.6			1.23
	90		67.0			0.98
	100		78.8			0.83
	125		111.6			0.59
	150		139.5			0.47
	175		167.5			0.39

[!] Initial tension and spring constant are for reference only.
There may be some variations depending on the lot.
Load [kgf] = Load N × 0.101972

■Light Medium Load Type * marked dimensions are for AWU and AUU only.

Part Number		Wire Dia. d mm	Dynamic Load		Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
Type	D−L	Wire Dia. d mm	Max. Deflection Fmax. mm	Max. Load N	Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
AWU AUU	2−10	0.28	4.0	2.45	0.49	0.49
	15		6.7			0.29
	20		10.0			0.20
	25		13.3			0.15
AWU BWU AUU BUU	3−10	0.35	4.6	3.33	0.66	0.59
	15		9.1			0.29
	20		14.3			0.19
	25		19.5			0.14
	30		24.8			0.11
AWU BWU AUU BUU	4−15	0.45	7.5	4.81	0.98	0.51
	20		12.2			0.31
	25		16.9			0.23
	30		21.7			0.18
	35		26.0			0.15
	40		30.0			0.13
AWU BWU AUU BUU	5−15	0.55	5.7	6.37	1.37	0.89
	20		9.8			0.51
	25		14.2			0.35
	30		18.9			0.26
	35		24.3			0.21
	40		28.3			0.18
	45		31.9			0.16
	50		36.4			0.14
AWU BWU AUU BUU	6−20	0.7	9.6	12.94	1.67	1.18
	25		14.4			0.78
	30		20.2			0.56
	35		28.8			0.39
	40		30.3			0.37
	45		34.8			0.32
	50		41.1			0.27
	55		44.2			0.25
	60		50.0			0.23
AWU BWU AUU BUU	8−25	0.9	10.0	18.63	3.92	1.47
	30		14.3			1.03
	35		18.8			0.78
	40		23.8			0.62
	45		28.3			0.52
	50		32.6			0.45
	55		37.5			0.39
	60		41.7			0.35
	65		46.9			0.31
	70		50.0			0.29
AWU BWU AUU BUU * marked dimensions are for AWU and AUU only	10−* 30	1.1	9.9	23.24	4.71	1.87
	35		14.0			1.32
	40		18.0			1.03
	45		22.2			0.83
	50		26.3			0.71
	55		31.5			0.59
	60		35.7			0.52
	65		38.6			0.48
	70		43.0			0.43
	75		47.3			0.39
	80		51.0			0.36
	* 90		59.0			0.31
	* 100		67.5			0.27
AWU BWU AUU BUU	12−35	1.4	11.7	47.7	10.49	3.14
	40		15.5			2.35
	45		19.6			1.86
	50		23.3			1.57
	55		28.7			1.27
	60		32.4			1.13
	65		37.3			0.98
	70		41.4			0.88
	75		44.9			0.81
	80		49.7			0.74
	90		57.4			0.64
	100		65.4			0.56
AWU AUU	14−40	1.6	12.8	58.84	13.73	3.53
	45		16.7			2.7
	50		21.0			2.16
	55		25.5			1.77
	60		28.7			1.57
	65		32.8			1.37
	70		38.3			1.18
	75		41.8			1.08
	80		46.0			0.98
	90		54.1			0.83
	100		61.3			0.74
	125		83.6			0.54
AWU AUU	16−45	1.8 (AWU) 1.9 (AUU)	13.7	70.61	16.67	3.92
	50		17.7			3.04
	55		22.0			2.45
	60		26.0			2.06
	65		30.5			1.77
	70		34.3			1.57
	75		39.2			1.37
	80		42.3			1.27
	90		50.0			1.08
	100		57.8			0.93
	125		78.7			0.69
	150		100.0			0.54
AWU	18−55	2.0	19.1	81.39	17.65	3.34
	60		23.2			2.75
	65		27.0			2.36
	70		30.9			2.06
	75		36.1			1.77
	80		40.6			1.57
	90		48.1			1.33
	100		56.5			1.13
	125		76.4			0.83
	150		100.0			0.64
AWU	20−60	2.3	16.0	98.07	22.56	4.72
	70		22.6			3.34
	80		28.5			2.65
	90		36.6			2.06
	100		42.7			1.77
	125		59.2			1.28
	150		77.0			0.98
	175		90.5			0.83

[!] Initial tension and spring constant are for reference only.
There may be some variations depending on the lot.
Load [kgf] = Load N × 0.101972

■Medium Load Type * marked dimensions are for AWS and AUS only.

Part Number		Wire Dia. d mm	Dynamic Load		Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
Type	D−L	Wire Dia. d mm	Max. Deflection Fmax. mm	Max. Load N	Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
AWS AUS	2−10	0.3	3.8	3.53	0.69	0.75
	15		6.7			0.42
	20		9.6			0.30
	25		12.6			0.23
AWS AUS BWS BUSS	3−10	0.4	3.5	4.41	0.88	0.98
	15		6.0			0.59
	20		9.0			0.39
	25		12.0			0.29
	30		15.6			0.23
AWS BWS AUS BUSS	4−15	0.5	6.5	6.37	1.18	0.78
	20		10.2			0.49
	25		13.9			0.39
	30		17.5			0.29
	35		20.3			0.26
	40		24.0			0.22
AWS BWS AUS BUSS	5−15	0.6	5.6	8.53	1.57	1.27
	20		8.9			0.78
	25		13.7			0.49
	30		17.3			0.39
	35		23.7			0.29
	40		24.5			0.28
	45		28.4			0.25
	50		32.2			0.22
AWS BWS AUS BUSS	6−20	0.8	6.7	17.26	3.53	2.06
	25		9.3			1.47
	30		12.7			1.08
	35		15.6			0.88
	40		18.7			0.69
	45		20.6			0.68
	50		24.5			0.57
	55		28.0			0.50
	60		29.7			0.47
AWS BWS AUS BUSS	8−25	1.0	9.1	24.52	4.9	2.16
	30		12.5			1.57
	35		15.4			1.27
	40		19.2			0.98
	45		22.2			0.88
	50		25.0			0.78
	55		28.6			0.70
	60		33.3			0.60
	65		36.3			0.55
	70		40.0			0.50
AWS BWS AUS BUSS * marked dimensions are for AWS and AUS only	10−30	1.2	10.4	30.99	5.49	2.45
	35		13.7			1.86
	40		17.3			1.47
	45		20.0			1.27
	50		24.8			0.98
	55		28.2			0.88
	60		31.6			0.78
	65		34.2			0.76
	70		38.8			0.67
	75		43.3			0.60
	80		47.2			0.55
	* 90		52.0			0.49
	* 100		59.0			0.43
AWS BWS AUS BUSS	12−35	1.6	8.5	62.76	14.71	5.69
	40		11.8			4.12
	45		14.3			3.33
	50		16.8			2.84
	55		19.3			2.45
	60		22.3			2.16
	65		24.5			1.96
	70		27.2			1.77
	75		28.8			1.67
	80		32.7			1.47
	90		36.3			1.35
	100		41.0			1.20
AWS AUS	14−40	1.8	10.2	74.53	16.67	5.69
	45		13.1			4.41
	50		16.4			3.53
	55		19.7			2.94
	60		21.1			2.75
	65		24.6			2.35
	70		27.6			2.06
	75		31.1			1.86
	80		32.8			1.77
	90		37.5			1.60
	100		42.8			1.40
	125		60.0			1.00
AWS AUS	16−45	2.0 (AWS) 2.1 (AUS)	11.7	86.3	19.61	5.69
	50		15.1			4.41
	55		17.4			3.82
	60		21.3			3.14
	65		23.4			2.84
	70		26.8			2.45
	75		29.6			2.26
	80		32.7			2.10
	90		37.8			1.77
	100		45.3			1.47
	125		56.7			1.20
	150		71.5			0.95
AWS	18−50	2.3	12.5	115.72	27.46	7.06
	55		15.0			5.88
	60		17.3			5.10
	65		20.0			4.41
	70		22.5			3.92
	75		25.0			3.53
	80		29.0			3.04
	90		33.6			2.65
	100		39.1			2.26
	125		53.0			1.70
	150		64.2			1.40
AWS	20−60	2.6	14.7	150.04	36.28	7.75
	70		20.0			5.69
	80		25.2			4.51
	90		30.8			3.73
	100		36.1			3.14
	125		48.3			2.35
	150		59.5			1.95
	175		72.5			1.60
AWS	24−70	3.2	14.7	225.55	56.88	11.47
	80		20.7			8.14
	90		24.9			6.77
	100		29.7			5.69
	125		41.0			4.12
	150		50.6			3.4
	175		61.4			2.8
	200		74.7			2.3

[!] Initial tension and spring constant are for reference only.
There may be some variations depending on the lot.
Load [kgf] = Load N × 0.101972

Technical Information

Relationship between Spring Length L and Load P

Tension Spring

Cautions/Prohibitions

Operating Temperature

JIS−SWP−A : Ambient Temperature (0 to 40°C)
Stainless Steel: -10 to 100°C
* Load value attenuates when tension springs are used in temperature higher than above, although it depends on other conditions.
* If you plan to use it in the environment with temperature difference or humidity such as outdoors, stainless steel is recommended.

Standard Usage Count

Approx. 1 million times

The above number is just a standard. The usage count varies depending on the direction of tension, operating temperature, environment, and deflection.
It is recommended to use the springs within the range of the allowable deflection F max.(mm).
Depending on how the hook is installed, the hook may break prematurely.

Others

Use the springs within the range of the allowable deflection F max.(mm). Using at higher than the allowable deflection values may cause deformation or failure. Also, do not extend tension springs more than its allowable deflection during the installation.
Stainless steel springs are also magnetic. Please be careful.

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Part Number
AUA2-10
AUA2-15
AUA2-20
AUA2-25
AUA2-30
AUA3-10
AUA3-15
AUA3-20
AUA3-25
AUA3-30
AUA4-15
AUA4-20
AUA4-25
AUA4-30
AUA4-35
AUA4-40
AUA5-15
AUA5-20
AUA5-25
AUA5-30
AUA5-35
AUA5-40
AUA5-45
AUA5-50
AUA6-20
AUA6-25
AUA6-30
AUA6-35
AUA6-40
AUA6-45
AUA6-50
AUA6-55
AUA6-60
AUA8-25
AUA8-30
AUA8-35
AUA8-40
AUA8-45
AUA8-50
AUA8-55
AUA8-60
AUA8-65
AUA8-70
AUA10-30
AUA10-35
AUA10-40
AUA10-45
AUA10-50
AUA10-55
AUA10-60
AUA10-70
AUA10-80
AUA10-90
AUA10-100
AUA12-35
AUA12-40
AUA12-45
AUA12-50
AUA12-55
AUA12-60

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. (Ø)	Max. Deflection (mm)
2.65 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	Up to 1.25	180°	0.69	19.7	10	2	0.13	0.083	0.2	9.7
2.65 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	Up to 1.25	180°	0.69	26.8	15	2	0.13	0.047	0.2	11.8
2.65 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	Up to 1.25	180°	0.69	37.2	20	2	0.13	0.032	0.2	17.2
2.89 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	Up to 1.25	180°	0.69	47.8	25	2	0.13	0.025	0.2	22.8
2.89 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	Up to 1.25	180°	0.69	58.5	30	2	0.13	0.02	0.2	28.5
2.77 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	1.27	20.4	10	3	0.15	0.11	0.25	10.4
2.77 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	1.27	38	15	3	0.15	0.049	0.25	23
2.77 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	1.27	55.9	20	3	0.15	0.031	0.25	35.9
3.02 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	1.27	72.9	25	3	0.15	0.024	0.25	47.9
3.02 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	1.27	87.5	30	3	0.15	0.02	0.25	57.5
2.89 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	2.26	29.6	15	4	0.25	0.14	0.35	14.6
2.89 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	2.26	44.1	20	4	0.25	0.083	0.35	24.1
3.02 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	2.26	57.5	25	4	0.25	0.062	0.35	32.5
3.02 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	2.26	72.7	30	4	0.25	0.047	0.35	42.7
3.15 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	2.26	86.2	35	4	0.25	0.039	0.35	51.2
3.15 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	2.26	100.3	40	4	0.25	0.033	0.35	60.3
3.02 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	23.2	15	5	0.49	0.33	0.45	8.2
3.02 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	35.5	20	5	0.49	0.18	0.45	15.5
3.15 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	46.5	25	5	0.49	0.13	0.45	21.5
3.15 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	59.4	30	5	0.49	0.093	0.45	29.4
3.15 € 0.95 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	70	35	5	0.49	0.078	0.45	35
3.40 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	83	40	5	0.49	0.064	0.45	43
3.40 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	95.9	45	5	0.49	0.054	0.45	50.9
3.53 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	1.26 to 3.50	180°	3.24	106	50	5	0.49	0.049	0.45	56.0
3.15 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	36.2	20	6	0.64	0.34	0.55	16.2
3.15 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	50.2	25	6	0.64	0.22	0.55	25.2
3.27 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	64.7	30	6	0.64	0.16	0.55	34.7
3.27 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	77.7	35	6	0.64	0.13	0.55	42.7
3.27 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	90.4	40	6	0.64	0.11	0.55	50.4
3.53 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	106.6	45	6	0.64	0.088	0.55	61.6
3.53 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	119.3	50	6	0.64	0.079	0.55	69.3
3.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	134.3	55	6	0.64	0.069	0.55	79.3
3.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	3.51 to 8.00	180°	6.08	145.3	60	6	0.64	0.064	0.55	85.3
3.27 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	43.1	25	8	1.08	0.41	0.7	18.1
3.27 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	57.1	30	8	1.08	0.28	0.7	27.1
3.53 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	71.2	35	8	1.08	0.21	0.7	36.2
3.53 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	84.7	40	8	1.08	0.17	0.7	44.7
3.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	99.2	45	8	1.08	0.14	0.7	54.2
3.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	113.3	50	8	1.08	0.12	0.7	63.3
4.03 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	124	55	8	1.08	0.11	0.7	69.0
4.03 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	140	60	8	1.08	0.093	0.7	80.0
4.03 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	154.4	65	8	1.08	0.083	0.7	89.4
4.41 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	8.53	165	70	8	1.08	0.078	0.7	95.0
4.54 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	43.4	30	10	2.06	0.65	0.9	13.4
4.54 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	53.5	35	10	2.06	0.47	0.9	18.5
4.54 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	64	40	10	2.06	0.36	0.9	24
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	74.6	45	10	2.06	0.29	0.9	29.6
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	85.6	50	10	2.06	0.25	0.9	35.6
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	97.3	55	10	2.06	0.21	0.9	42.3
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	106.8	60	10	2.06	0.19	0.9	46.8
5.55 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	129.3	70	10	2.06	0.15	0.9	59.3
5.55 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	148.4	80	10	2.06	0.13	0.9	68.4
6.93 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	170.9	90	10	2.06	0.11	0.9	80.9
6.93 €	1	Available	Same day Stock	10	EN 1.4301 (WPB) Equiv.	8.01 to 15.00	180°	10.8	193.6	100	10	2.06	0.093	0.9	93.6
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	15.01 to 30.00	180°	19.6	52.8	35	12	2.94	0.94	1.1	17.8
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	15.01 to 30.00	180°	19.6	65	40	12	2.94	0.67	1.1	25.0
4.78 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	15.01 to 30.00	180°	19.6	76	45	12	2.94	0.54	1.1	31
5.55 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	15.01 to 30.00	180°	19.6	87.7	50	12	2.94	0.44	1.1	37.7
5.55 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	15.01 to 30.00	180°	19.6	99.7	55	12	2.94	0.37	1.1	44.7
6.93 €	1	Available	5 Days	10	EN 1.4301 (WPB) Equiv.	15.01 to 30.00	180°	19.6	111.5	60	12	2.94	0.32	1.1	51.5

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Basic information

Type	Standard Type

Configure

1,103Suggestion of an applicable part number.

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Stock

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Clear

Basic Attributes

Material
- EN 1.4301 (WPB) Equiv.
- JIS-SWP-A
Clear
Allowable Load (Configurable Range)(N)
- Up to 1.25
- 1.26 to 3.50
- 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)
0.69

1.27

1.86

2.25

2.26

2.45

3.24

3.33

3.53

4.22

4.41

4.81

6.08

6.37

8.14

8.53

10.8

12.75

12.94

15.00

17.26

18.63

19.6

23.24

24.52

27.52

30.99

31.37

38.24

43.15

47.7

52.96

58.84

62.76

70.61

74.53

78.45

81.39

86.3

98.07

115.72

150.04

225.55
Clear
Length of Spring Used L+F(mm)
13.5

13.8

14

14.6

15.7

18.7

19.7

20.4

20.6

20.7

21

21.5

21.7

21.8

22.5

23.2

24.1

25

25.3

26.7

26.8

28.9

29

29.6

29.8

30

30.2

31.6

31.7

32.2

34

34.1

34.3

35

35.5

36.2

36.8

37

37.2

37.6

38

38.3

38.6

38.7

38.9

39.2

39.4

39.9

40.1

40.4

41.5

41.9

42

42.5

42.7

43.1

43.2

43.4

43.5

44.1

44.3

44.5

45

45.6

46.2

46.5

46.7

47.3

47.5

47.8

48.7

48.9

49

50.2

50.3

50.4

50.6

51.2

51.7

51.8

52.1

52.8

53.5

53.8

54.8

55.3

55.4

55.5

55.9

56.7

57

57.1

57.3

57.5

58

58.1

58.3

58.4

58.5

58.7

59.2

59.3

59.4

59.8

60.8

61

61.1

61.5

61.7

62.5

63.8

64

64.5

64.6

64.7

65

65.1

65.6

66

66.4

66.8

67.2

67.7

67.8

68.3

68.7

68.9

70

70.3

71

71.2

72.4

72.7

72.9

73.1

73.3

73.4

74

74.1

74.3

74.5

74.6

74.7

74.8

75

75.4

76

76.3

76.9

77

77.3

77.7

78.5

78.7

79.8

80.3

80.5

80.7

81

81.1

81.3

82.2

82.3

82.6

82.7

83

83.2

83.6

83.7

84.2

84.7

85

85.6

85.8

86

86.2

86.4

86.5

87.5

87.7

87.8

88.4

88.7

89.1

89.5

89.6

89.7

90

90.4

91

91.1

91.5

91.6

92

92.4

92.5

92.6

93.3

95

95.5

95.7

95.9

96

96.8

97

97.2

97.3

97.6

97.8

99.2

99.7

100

100.3

100.7

100.8

100.9

101

101.3

101.7

102.3

103.1

103.6

103.8

104.3

104.6

105

105.2

106

106.1

106.6

106.8

108.2

108.3

108.5

108.8

109

110

110.8

111.1

111.4

111.5

111.8

111.9

112

112.7

112.8

113

113.3

114.2

114.9

115.2

116.2

116.8

118.3

118.6

119.3

119.9

120

120.6

120.8

121

121.3

122.3

122.9

123.6

123.8

124

126

126.3

126.6

127.2

127.5

127.8

128

129.3

129.6

129.7

130

131

132.2

133.6

134

134.3

135.3

136.1

136.2

138.1

138.3

139.1

139.7

140

141

142

142.7

142.8

144.1

145.3

147.4

148.4

149

150.5

150.9

152.9

154.4

156

156.5

157

157.2

157.8

158.1

159

161.3

162.8

165

165.4

166

167.5

169.4

170.9

171.8

173.3

175

176.4

178

178.8

181.3

181.7

184.2

184.4

185

193.6

200.6

201.4

203.7

206

206.2

208.6

209.5

214.2

216

216.3

221.5

227

229.5

236.4

236.6

247.5

250

265.5

265.6

274.7

282

289.5

342.5
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)
2

3

4

5

6

8

10

12

14

16

18

20

24
Clear
Initial Tension(N)
0.13

0.15

0.25

0.29

0.34

0.49

0.59

0.64

0.66

0.69

0.88

0.98

1.08

1.18

1.27

1.37

1.57

1.67

2.06

2.35

2.94

3.53

3.73

3.92

4.71

4.9

5.39

5.49

8.43

9.12

9.81

10.49

12.75

13.73

14.71

16.67

17.65

19.61

22.56

27.46

36.28

56.88
Clear
Reference Spring Constant(N/mm)
0.02

0.024

0.025

0.031

0.032

0.033

0.039

0.047

0.049

0.05

0.054

0.06

0.062

0.064

0.069

0.07

0.078

0.079

0.08

0.083

0.088

0.09

0.093

0.1

0.11

0.12

0.13

0.14

0.15

0.16

0.17

0.18

0.19

0.2

0.21

0.22

0.23

0.24

0.25

0.26

0.27

0.28

0.29

0.3

0.31

0.32

0.33

0.34

0.35

0.36

0.37

0.39

0.41

0.42

0.43

0.44

0.45

0.47

0.48

0.49

0.5

0.51

0.52

0.54

0.55

0.56

0.57

0.58

0.59

0.6

0.62

0.64

0.65

0.67

0.68

0.69

0.7

0.71

0.74

0.75

0.76

0.78

0.8

0.81

0.83

0.88

0.89

0.93

0.94

0.95

0.98

1

1.03

1.08

1.13

1.17

1.18

1.2

1.23

1.27

1.28

1.32

1.33

1.35

1.37

1.39

1.40

1.42

1.47

1.57

1.60

1.62

1.66

1.67

1.7

1.77

1.86

1.87

1.94

1.95

1.96

2.05

2.06

2.1

2.16

2.26

2.3

2.35

2.36

2.45

2.65

2.7

2.75

2.8

2.84

2.94

3.04

3.14

3.33

3.34

3.4

3.53

3.73

3.82

3.92

4.12

4.41

4.51

4.72

5.10

5.69

5.88

6.77

7.06

7.75

8.14

11.47
Clear
Wire Dia.(Ø)
0.2

0.25

0.28

0.3

0.35

0.4

0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.3

2.6

3.2
Clear
Max. Deflection(mm)
3.5

3.8

4

4.6

5.6

5.7

6

6.5

6.7

6.8

7.5

8.2

8.5

8.7

8.9

9

9.1

9.3

9.6

9.7

9.8

9.9

10

10.2

10.3

10.4

11.5

11.7

11.8

12

12.2

12.5

12.6

12.7

12.8

13.1

13.3

13.4

13.6

13.7

13.9

14

14.2

14.3

14.4

14.6

14.7

15

15.1

15.3

15.4

15.5

15.6

15.8

16

16.2

16.4

16.6

16.7

16.8

16.9

17

17.2

17.3

17.4

17.5

17.7

17.8

18

18.1

18.2

18.5

18.7

18.8

18.9

19.1

19.2

19.3

19.5

19.6

19.7

19.8

20

20.2

20.3

20.6

20.7

21

21.1

21.2

21.3

21.5

21.7

22

22.1

22.2

22.3

22.5

22.6

22.8

23

23.2

23.3

23.4

23.7

23.8

23.9

24

24.1

24.3

24.5

24.6

24.8

24.9

25.0

25.2

25.4

25.5

25.7

26

26.1

26.3

26.5

26.8

27

27.1

27.2

27.6

27.8

28

28.2

28.3

28.4

28.5

28.6

28.7

28.8

29

29.1

29.4

29.6

29.7

30

30.3

30.5

30.8

30.9

31

31.1

31.5

31.6

31.9

32.2

32.4

32.5

32.6

32.7

32.8

33.1

33.3

33.6

33.7

34.0

34.2

34.3

34.7

34.8

35

35.3

35.6

35.7

35.8

35.9

36

36.1

36.2

36.3

36.4

36.6

37

37.3

37.5

37.7

37.8

38.3

38.5

38.6

38.8

39.1

39.2

39.6

40

40.6

40.8

41

41.1

41.4

41.7

41.8

42

42.3

42.5

42.7

42.8

43

43.2

43.3

44.2

44.7

44.9

45.3

46

46.2

46.3

46.8

46.9

47.2

47.3

47.9

48.1

48.3

49.6

49.7

50.0

50.4

50.6

50.9

51

51.2

51.5

52.0

52.2

52.8

53

53.6

53.8

54

54.1

54.2

55.2

56.0

56.5

56.7

57.4

57.5

57.8

58.3

58.8

59

59.2

59.3

59.5

60.0

60.3

60.5

60.9

61.3

61.4

61.6

63.0

63.3

63.6

64.2

65.3

65.4

66

66.2

67

67.5

68.1

68.4

69.0

69.3

69.4

69.7

70

71.5

71.8

72.5

74.7

75

76.4

77.0

77.2

77.9

78.7

78.8

79.3

80.0

80.9

82.8

83.6

85.3

89.4

90.5

91.0

91.3

93.6

94.4

95.0

100

104.5

106

106.2

111.6

115.6

132

139.5

167.5
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