Round Wire Coil Springs / Deflection 25%-30% / O.D. Referenced (WB4-45)

Promotional pricing ends 30/11/2024
Volume Discount

MISUMI

Product Details:

Manufacturer part number: WB4-45

Brand: MISUMI

Price: 0.92 €

Delivery time: 5 Days

Technical Data:

Allowable Load (Configurable Range): 50.01 to 73.00 N

End Surface Status: With Grinding

Max. Load: 55.4 N

Height upon Max. Load applied L-F: 33.7 mm

Free Length L: 45 mm

Part Number

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WB4-45

Drawing / Specifications
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Part Numbers
Catalog
Technical Information

Round Wire Coil Springs/Deflection 25%-30%/O.D. Referenced:Related Image

Material JIS-SWP-A

Specifications

Part Number

WH13-60

■Spring Constant D12 and 14 for WY Type and D12,14 and 20 for WT Type are not available.

Type

0.5{0.05}

N/mm
0.1
{kgf/mm}{0.01}

N/mm
0.3
{kgf/mm}{0.03}

N/mm
0.5
{kgf/mm}{0.05}

N/mm
1.0
{kgf/mm}{0.1}

1.5
{0.15}

2.0
{0.2}

3.9{0.4}

2.9{0.3}

4.9{0.5}

N/mm
2.0
{kgf/mm}{0.2}

N/mm
2.9
{kgf/mm}{0.3}

N/mm
5.9
{kgf/mm}{0.6}

N/mm
9.8
{kgf/mm}{1.0}

N/mm
0.2
{kgf/mm}{0.02}

N/mm
9.8
{kgf/mm}{1.0}

N/mm
19.6
{kgf/mm}
{2.0}

N/mm
0.5
{kgf/mm}{0.05}

N/mm
1.0
{kgf/mm}{0.1}

N/mm
2.9
{kgf/mm}{0.3}

N/mm
3.9
{kgf/mm}{0.4}

N/mm
4.9
{kgf/mm}{0.5}

N/mm
14.7
{kgf/mm}
{1.5}

29.4{3.0}

N/mm
29.4{kgf/mm}{3.0}

Fmax.

F=Lx75%

F=Lx60%

F=Lx45%

F=Lx40%

F=Lx35%

F=Lx30%

F=Lx25%

■WH:Fmax. (allowable deflection)=Lx30%

d	Solid Length	F max.	Load N{kgf}max.	Part Number		Unit Price
d	Solid Length	F max.	Load N{kgf}max.	TypeD-L		10 ~ 19 pcs.
0.45	2.7	1.5	4.9{0.5}	WH4-	5*
0.45	2.7	3	8.8{0.9}		10*
0.55	5.8	4.5	13.7{1.4}		15
0.6	8.4	6	17.7{1.8}		20
0.65	12.4	7.5	22.6{2.3}		25
0.65	12.4	9	26.5{2.7}		30
0.6	3.3	1.5	8.8{0.9}	WH5-	5*
0.7	5.5	3	17.7{1.8}		10
0.75	7.5	4.5	26.5{2.7}		15
0.75	7.5	6	35.3{3.6}		20
0.85	13.6	7.5	44.1{4.5}		25
0.85	13.6	7.5	44.3{4.5}		(30)
0.9	17.1	8.8	51.6{5.3}		(35)
0.9	17.1	8.8	51.9{5.3}		(40)
0.65	3.3	1.5	8.8{0.9}	WH6-	5*
0.75	5.2	3	17.7{1.8}		10
0.8	6.4	4.5	26.5{2.7}		15
0.9	9.9	6	35.3{3.6}		20
0.9	9.9	7.5	44.1{4.5}		25
1.0	16	9	53.0{5.4}		30
1.0	16	10.5	61.8{6.3}		35
1.1	25	12	70.6{7.2}		40
1.1	25	11.3	66.7{6.8}		(45)
1.2	39.6	10	58.8{6.0}		(50)
1.2	39.6	14.5	85.3{8.7}		(55)
1.2	39.6	14	82.4{8.4}		(60)
1.2	39.6	14	82.4{8.4}		(65)
1.2	39.6	15	88.3{9.0}		(70)
0.9	5.4	3	17.7{1.8}	WH8-	10
1.0	8	4.5	26.5{2.7}		15
1.1	11.5	6	35.3{3.6}		20
1.1	11.5	7.5	44.1{4.5}		25
1.2	16.8	9	53.0{5.4}		30
1.2	16.8	10.5	61.8{6.3}		35
1.2	16.8	12	70.6{7.2}		40
1.3	24.7	13.5	79.4{8.1}		45
1.3	24.7	15	88.3{9.0}		50
1.4	35	16.5	97.1{9.9}		55
1.4	35	18	105.9{10.8}		60
1.4	35	17	100.0{10.2}		(65)
1.4	35	19	111.8{11.4}		(70)
1.0	5.4	3	17.7{1.8}	WH10-	10
1.1	7	4.5	26.5{2.7}		15
1.2	9.6	6	35.3{3.6}		20
1.2	9.6	7.5	44.1{4.5}		25
1.3	13.9	9	53.0{5.4}		30
1.4	18	10.5	61.8{6.3}		35
1.4	18	12	70.6{7.2}		40
1.5	25	13.5	79.4{8.1}		45
1.5	25	15	88.3{9.0}		50
1.5	25	16.5	97.1{9.9}		55
1.5	25	18	105.9{10.8}		60
1.6	35	19.5	114.7{11.7}		65
1.6	35	21	123.6{12.6}		70
1.7	45.9	24	141.0{14.4}		80

d	Solid Length	F max.	Load N{kgf}max.	Part Number		Unit Price
d	Solid Length	F max.	Load N{kgf}max.	TypeD-L		10 ~ 19 pcs.
1.2	6.9	3	17.7{1.8}	WH12-	10
1.3	9.1	4.5	26.5{2.7}		15
1.3	9.1	6	35.3{3.6}		20
1.3	9.1	7.5	44.1{4.5}		25
1.4	11.9	9	53.0{5.4}		30
1.4	11.9	10.5	61.8{6.3}		35
1.5	15.4	12	70.6{7.2}		40
1.5	15.4	13.5	79.4{8.1}		45
1.6	20.4	15	88.3{9.0}		50
1.6	20.4	16.5	97.1{9.9}		55
1.7	26.8	18	105.9{10.8}		60
1.7	26.8	19.5	114.7{11.7}		65
1.8	35.1	21	123.6{12.6}		70
1.9	45.6	24	141.0{14.4}		80
1.3	6.2	3	29.4{3.0}	WH13-	10
1.5	9.3	4.5	44.1{4.5}		15
1.6	12.3	6	58.8{6.0}		20
1.6	12.3	7.5	73.5{7.5}		25
1.7	15	9	88.3{9.0}		30
1.7	15	10.5	103.0{10.5}		35
1.8	19	12	117.7{12.0}		40
1.9	25	13.5	132.4{13.5}		45
1.9	25	15	147.1{15.0}		50
2.0	30	16.5	161.8{16.5}		55
2.0	30	18	176.5{18.0}		60
2.1	39	19.5	191.2{19.5}		65
2.1	39	21	205.9{21.0}		70
2.1	39	24	235.4{24.0}		80
1.6	10.4	4.5	44.1{4.5}	WH14-	15
1.6	10.4	6	58.8{6.0}		20
1.6	10.4	7.5	73.5{7.5}		25
1.7	12.8	9	88.3{9.0}		30
1.7	12.8	10.5	103.0{10.5}		35
1.9	20	12	117.7{12.0}		40
1.9	20	13.5	132.4{13.5}		45
2.1	30.5	15	147.1{15.0}		50
2.1	30.5	16.5	161.8{16.5}		55
2.1	30.5	18	176.5{18.0}		60
2.2	37.4	19.5	191.2{19.5}		65
2.2	37.4	21	205.9{21.0}		70
2.3	47.2	24	235.4{24.0}		80
1.7	10.2	4.5	44.1{4.5}	WH16-	15
1.8	12.6	6	58.8{6.0}		20
1.9	14.5	7.5	73.5{7.5}		25
1.9	14.5	9	88.3{9.0}		30
2.0	18	10.5	103.0{10.5}		35
2.1	21	12	117.7{12.0}		40
2.2	26	13.5	132.4{13.5}		45
2.2	26	15	147.1{15.0}		50
2.2	26	16.5	161.8{16.5}		55
2.3	32	18	176.5{18.0}		60
2.3	32	19.5	191.2{19.5}		65
2.4	38	21	205.9{21.0}		70
2.5	47.5	24	235.4{24.0}		80

d	Solid Length	F max.	Load N{kgf}max.	Part Number		Unit Price
d	Solid Length	F max.	Load N{kgf}max.	TypeD-L		10 ~ 19 pcs.
2.1	12.6	6	88.3{9.0}	WH18-	20
2.2	15.4	7.5	109.8{11.2}		25
2.2	15.4	9	132.4{13.5}		30
2.3	18.4	10.5	154.0{15.7}		35
2.4	21.6	12	176.5{18.0}		40
2.5	25	13.5	199.1{20.3}		45
2.5	25	15	220.6{22.5}		50
2.6	30	16.5	242.2{24.7}		55
2.6	30	18	264.8{27.0}		60
2.8	42	19.5	286.4{29.2}		65
2.8	42	21	308.9{31.5}		70
2.9	49.3	24	353.0{36.0}		80
3.0	57	26.1	397.2{40.5}		(90)
3.0	57	24	441.3{45.0}		(100)
2.2	12.7	6	88.3{9.0}	WH20-	20
2.3	15	7.5	109.8{11.2}		25
2.3	15	9	132.4{13.5}		30
2.5	20	10.5	154.0{15.7}		35
2.5	20	12	176.5{18.0}		40
2.5	20	13.5	199.1{20.3}		45
2.6	22.8	15	220.6{22.5}		50
2.6	22.8	16.5	242.2{24.7}		55
2.8	30.8	18	264.8{27.0}		60
2.8	30.8	19.5	286.4{29.2}		65
3.0	42	21	308.9{31.5}		70
3.0	42	24	353.0{36.0}		80
3.2	56.8	27	397.2{40.5}		90
3.2	56.8	30	441.3{45.0}		100
2.3	12.7	6	88.3{9.0}	WH22-	20
2.5	16.7	7.5	109.8{11.2}		25
2.5	16.7	9	132.4{13.5}		30
2.6	18.2	10.5	154.0{15.7}		35
2.8	25	12	176.5{18.0}		40
2.8	25	13.5	199.1{20.3}		45
2.8	25	15	220.6{22.5}		50
3.0	33	16.5	242.2{24.7}		55
3.0	33	18	264.8{27.0}		60
3.0	33	19.5	286.4{29.2}		65
3.2	43	21	308.9{31.5}		70
3.2	43	24	353.0{36.0}		80
3.2	43	26.1	397.2{40.5}		(90)
3.5	64.4	26	441.3{45.0}		(100)
2.8	16.8	9	132.4{13.5}	WH27-	30
2.8	16.8	10.5	154.0{15.7}		35
2.9	18.8	12	176.5{18.0}		40
2.9	19.4	13.5	199.1{20.3}		45
3.2	25.5	15	220.6{22.5}		50
3.2	25.5	16.5	242.2{24.7}		55
3.5	35.5	18	264.8{27.0}		60
3.5	35.5	19.5	286.4{29.2}		65
3.5	35.5	21	308.9{31.5}		70
3.5	35.5	24	353.0{36.0}		80
3.5	35.5	27	397.2{40.5}		90
4.0	68	30	441.3{45.0}		100

• Load calculation method = Spring constant x Deflection
(Int'l Unit) N=N/mmxFmm
kgf=kgf/mmxFmm
(kgf=Nx0.101972)
The values of solid length are for reference only.
There may be some variations depending on the lot.
Usage Count: 1 Million Times
Product Outline >>P.327
How to use coil springs, and precautions >>P.328

Allowable Deflection of (L) Size

WH5-30Fmax.=Lx25%
WH5-35Fmax.=Lx25%
WH5-40Fmax.=Lx22%
WH6-45Fmax.=Lx25%
WH6-50Fmax.=Lx20%
WH6-55Fmax.=Lx26%
WH6-60Fmax.=Lx23%
WH6-65Fmax.=Lx21%
WH6-70Fmax.=Lx21%
WH8-65Fmax.=Lx26%
WH8 -70Fmax. =Lx27%
WH18-90Fmax. =Lx29%
WH18-100Fmax. =Lx24%
WH22-90Fmax. =Lx29%
WH22-100Fmax. =Lx26%

Both ends of * marked WH Type springs are not ground.

■WB:Fmax. (allowable deflection)=Lx25%

d	Solid Length	F max.	Load N{kgf}max.	Part Number		Unit Price
d	Solid Length	F max.	Load N{kgf}max.	TypeD-L		10 ~ 19 pcs.
0.4	3.2	1.3	4.9{0.5}	WB3-	5*
0.5	6.5	2.5	9.8{1.0}		10*
0.55	10.5	3.8	14.7{1.5}		15*
0.55	12.7	5	19.6{2.0}		20*
0.6	17.4	6.3	24.5{2.5}		25*
0.6	21.0	7.5	29.4{3.0}		30*
0.65	24.0	8.8	34.3{3.5}		35*
0.65	27.0	10.0	39.2{4.0}		40*
0.5	3	1.3	5.9{0.6}	WB4-	5*
0.6	6	2.5	12.3{1.3}		10
0.65	9.8	3.8	18.1{1.9}		15
0.7	12.6	5	24.5{2.5}		20
0.75	16.5	6.3	30.4{3.1}		25
0.75	20.3	7.5	36.8{3.8}		30
0.8	24	8.8	43.1{4.4}		35
0.8	28	10	49.0{5.0}		40
0.8	29	11.3	55.4{5.7}		45
0.85	34	12.5	61.3{6.3}		50
0.65	3.3	1.3	12.7{1.3}	WB5-	5
0.8	7	2.5	24.5{2.5}		10
0.8	7	3.8	37.3{3.8}		15
0.9	13	5	49.0{5.0}		20
0.9	13	6.3	61.8{6.3}		25
1.0	21	7.5	73.5{7.5}		30
1.0	25	8.8	86.3{8.8}		35
1.0	25	10	98.1{10.0}		40
1.1	31	11.3	110.8{11.3}		45
1.1	34	12.5	122.6{12.5}		50
1.1	39	13.8	135.3{13.8}		55
1.1	43	15	147.1{15.0}		60
1.1	46	16.3	159.8{16.3}		65
1.2	50	17.5	171.6{17.5}		70
0.7	3.5	1.3	12.7{1.3}	WB6-	5
0.9	7	2.5	24.5{2.5}		10
0.9	7.5	3.8	37.3{3.8}		15
1.0	11.5	5	49.0{5.0}		20
1.1	17.5	6.3	61.8{6.3}		25
1.1	19.5	7.5	73.5{7.5}		30
1.1	20	8.8	86.3{8.8}		35
1.2	28	10	98.1{10.0}		40
1.2	30	11.3	110.8{11.3}		45
1.2	32	12.5	122.6{12.5}		50
1.2	32	13.8	135.3{13.8}		55
1.3	43	15	147.1{15.0}		60
1.3	46	16.3	159.8{16.3}		65
1.3	50	17.5	171.6{17.5}		70
1.4	57	20	196.1{20.0}		80
1.0	6	2.5	24.5{2.5}	WB8-	10
1.2	10.8	3.8	37.3{3.8}		15
1.2	11.5	5	49.0{5.0}		20
1.3	17	6.3	61.8{6.3}		25
1.3	17	7.5	73.5{7.5}		30
1.4	24.5	8.8	86.3{8.8}		35
1.4	25.2	10	98.1{10.0}		40
1.5	32	11.3	110.8{11.3}		45
1.5	33	12.5	122.6{12.5}		50
1.5	36.5	13.8	135.3{13.8}		55
1.5	36.5	15	147.1{15.0}		60
1.6	48	16.3	159.8{16.3}		65
1.6	48	17.5	171.6{17.5}		70
1.6	55	20	196.1{20.0}		80

d	Solid Length	F max.	Load N{kgf}max.	Part Number		Unit Price
d	Solid Length	F max.	Load N{kgf}max.	TypeD-L		10 ~ 19 pcs.
1.2	6	2.5	24.5{2.5}	WB10-	10
1.3	8.5	3.8	37.3{3.8}		15
1.4	12	5	49.0{5.0}		20
1.5	16.5	6.3	61.8{6.3}		25
1.5	17	7.5	73.5{7.5}		30
1.6	23	8.8	86.3{8.8}		35
1.6	24	10	98.1{10.0}		40
1.7	30	11.3	110.8{11.3}		45
1.7	31.5	12.5	122.6{12.5}		50
1.8	40	13.8	135.3{13.8}		55
1.8	40	15	147.1{15.0}		60
1.8	43	16.3	159.8{16.3}		65
1.8	43	17.5	171.6{17.5}		70
1.8	54	20	196.1{20.0}		80
1.4	6.5	2.5	24.5{2.5}	WB12-	10
1.4	7.7	3.8	36.3{3.7}		15
1.6	12.5	5	49.0{5.0}		20
1.6	13.6	6.3	60.8{6.2}		25
1.7	18	7.5	73.5{7.5}		30
1.8	22.5	8.8	85.3{8.7}		35
1.8	24	10	98.1{10.0}		40
1.8	24	11.3	109.8{11.2}		45
1.9	34	12.5	122.6{12.5}		50
2.0	38	13.8	134.4{13.7}		55
2.0	40	15	147.1{15.0}		60
2.0	42	16.3	158.9{16.2}		65
2.1	48.5	17.5	171.6{17.5}		70
2.1	52.5	20	196.1{20.0}		80
1.6	6.4	2.5	49.0{5.0}	WB13-	10
1.8	11	3.8	74.5{7.6}		15
1.8	11	5	98.1{10.0}		20
2.0	17	6.3	123.6{12.6}		25
2.0	18	7.5	147.1{15.0}		30
2.1	22	8.8	172.6{17.6}		35
2.1	22	10	196.1{20.0}		40
2.3	32	11.3	221.6{22.6}		45
2.3	32	12.5	245.2{25.0}		50
2.4	40	13.8	270.7{27.6}		55
2.4	42	15	294.2{30.0}		60
2.4	42	16.3	319.7{32.6}		65
2.5	50	17.5	343.2{35.0}		70
2.5	50	20	392.3{40.0}		80
1.8	9	3.8	72.6{7.4}	WB14-	15
2.0	13	5	98.1{10.0}		20
2.0	14	6.3	121.6{12.4}		25
2.1	18	7.5	147.1{15.0}		30
2.1	23	8.8	170.6{17.4}		35
2.3	26.3	10	196.1{20.0}		40
2.3	27.6	11.3	219.7{22.4}		45
2.4	31	12.5	245.2{25.0}		50
2.5	37.5	13.8	268.7{27.4}		55
2.5	41	15	294.2{30.0}		60
2.5	43.5	16.3	317.7{32.4}		65
2.6	48	17.5	343.2{35.0}		70
2.6	52	20	392.3{40.0}		80

d	Solid Length	F max.	Load N{kgf}max.	Part Number		Unit Price
d	Solid Length	F max.	Load N{kgf}max.	TypeD-L		10 ~ 19 pcs.
2.0	10	3.8	74.5{7.6}	WB16-	15
2.1	12.5	5	98.1{10.0}		20
2.3	17	6.3	123.6{12.6}		25
2.3	18.5	7.5	147.1{15.0}		30
2.4	21.5	8.8	172.6{17.6}		35
2.4	21.5	10	196.1{20.0}		40
2.5	27.5	11.3	221.6{22.6}		45
2.5	27.5	12.5	245.2{25.0}		50
2.6	32	13.8	270.7{27.6}		55
2.6	32	15	294.2{30.0}		60
2.8	46	16.3	319.7{32.6}		65
2.8	46	17.5	343.2{35.0}		70
2.9	55	20	392.3{40.0}		80
2.5	13.5	5	147.1{15.0}	WB18-	20
2.6	17	6.3	185.3{18.9}		25
2.6	17	7.5	220.6{22.5}		30
2.8	23.5	8.8	258.9{26.4}		35
2.9	27.5	10	294.2{30.0}		40
2.9	27.5	11.3	332.4{33.9}		45
3.0	33	12.5	367.7{37.5}		50
3.0	33	13.8	406.0{41.4}		55
3.2	43	15	441.3{45.0}		60
3.2	44.5	16.3	479.5{48.9}		65
3.2	44.5	17.5	514.8{52.5}		70
3.4	58	20	588.4{60.0}		80
3.4	61	22.5	661.9{67.5}		90
3.5	71	25	735.5{75.0}		100
2.8	13.5	5	147.1{15.0}	WB22-	20
2.9	16	6.3	185.3{18.9}		25
3.0	18	7.5	220.6{22.5}		30
3.0	18	8.8	258.9{26.4}		35
3.2	24	10	294.2{30.0}		40
3.2	24	11.3	332.4{33.9}		45
3.5	36	12.5	367.7{37.5}		50
3.5	36	13.8	406.0{41.4}		55
3.5	36	15	441.3{45.0}		60
3.6	45	16.3	479.5{48.9}		65
3.6	45	17.5	514.8{52.5}		70
3.8	57	20	588.4{60.0}		80
3.8	57	22.5	661.9{67.5}		90
4.0	72	25	735.5{75.0}		100
3.5	19	7.5	220.6{22.5}	WB27-	30
3.6	21	8.8	258.9{26.4}		35
3.6	21	10	294.2{30.0}		40
3.8	30	11.3	332.4{33.9}		45
3.8	30	12.5	367.7{37.5}		50
4.0	38	13.8	406.0{41.4}		55
4.0	38	15	441.3{45.0}		60
4.0	38	16.3	479.5{48.9}		65
4.0	38	17.5	514.8{52.5}		70
4.3	57	20	588.4{60.0}		80
4.5	63	22.5	661.9{67.5}		90
4.5	67	25	735.5{75.0}		100

• Load calculation method = Spring constant x Deflection
(Int'l Unit) N=N/mmxFmm
kgf=kgf/mmxFmm
(kgf=Nx0.101972)
Both ends of * marked WB Type springs are not ground.
The values of solid length are for reference only.
There may be some variations depending on the lot.
Usage Count: 1 Million Times
Product Outline >>P.327
How to use coil springs, and precautions >>P.328

Part Number:

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Data to be displayed: 30; 45; 60

Part Number
WB4-45

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Allowable Load (Configurable Range) (N)	End Surface Status	Max. Load (N)	Height upon Max. Load applied L-F (mm)	Free Length L (mm)	Outer Dia. D (or D1) (mm)	Inner Dia. D-2d (or D) (mm)	Spring Constant (N/mm)	Wire Dia. (mm)	Solid Length (mm)	Allowable Deflection (mm)
	0.92 €	1	Available	5 Days	10	50.01 to 73.00	With Grinding	55.4	33.7	45	4	2.4	4.9	0.8	29	11.3

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Basic information

Material	JIS-SWP-A

This page is Round Wire Coil Springs / Deflection 25%-30% / O.D. Referenced, part number WB4-45.
You can find the detail information about specifications and dimensions on part number WB4-45.

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Basic Attributes

Type
- WB
- WH
Clear
Allowable Load (Configurable Range)(N)
- 4.51 to 8.50
- 8.51 to 16.00
- 16.01 to 30.00
- 30.01 to 50.00
- 50.01 to 73.00
- 73.01 to 107.00
- 107.01 to 150.00
- 150.01 to 230.00
- 230.01 to 580.00
- 580.01 or More
Clear
End Surface Status
- With Grinding
- Without Grinding
Clear
Max. Load(N)
4.9

5.9

8.8

9.8

12.3

12.7

13.7

14.7

17.7

18.1

19.6

22.6

24.5

26.5

29.4

30.4

34.3

35.3

36.3

36.8

37.3

39.2

43.1

44.1

44.3

49

51.6

51.9

53

55.4

58.8

60.8

61.3

61.8

66.7

70.6

72.6

73.5

74.5

79.4

82.4

85.3

86.3

88.3

97.1

98.1

100

103

105.9

109.8

110.8

111.8

114.7

117.7

121.6

122.6

123.6

132.4

134.4

135.3

141

147.1

154

158.9

159.8

161.8

170.6

171.6

172.6

176.5

185.3

191.2

196.1

199.1

205.9

219.7

220.6

221.6

235.4

242.2

245.2

258.9

264.8

268.7

270.7

286.4

294.2

308.9

317.7

319.7

332.4

343.2

353

367.7

392.3

397.2

406

441.3

479.5

514.8

588.4

661.9

735.5
Clear
Height upon Max. Load applied L-F(mm)
3.5

3.7

7

7.5

10.5

11.2

14

15

17.5

18.7

21

22.5

24.5

26.2

28

30

31.2

31.5

33.7

35

37.5

38.5

40

40.5

41.2

42

45

45.5

46

48

48.7

49

51

52.5

55

56

60

63

63.9

67.5

70

74

75

76
Clear
Free Length L(mm)
5

10

15

20

25

30

35

40

45

50

55

60

65

70

80

90

100
Clear
Outer Dia. D (or D1)(mm)
3

4

5

6

8

10

12

13

14

16

18

20

22

27
Clear
Inner Dia. D-2d (or D)(mm)
1.7

1.8

1.9

2

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

4

4.2

4.4

4.5

4.6

4.7

4.8

5

5.2

5.4

5.6

5.8

6

6.2

6.4

6.6

6.8

7

7.2

7.4

7.6

7.8

8

8.2

8.4

8.6

8.8

9

9.2

9.4

9.6

9.8

10

10.2

10.4

10.6

10.8

11

11.2

11.4

11.6

11.8

12

12.2

12.4

12.6

12.8

13

13.2

13.4

13.6

13.8

14

14.4

14.8

15

15.4

15.6

16

16.2

16.4

16.8

17

17.4

18

18.4

19

19.4

19.8

20

20.6

21.2

21.4
Clear
Spring Constant(N/mm)
2.9

3.9

4.9

5.9

9.8

14.7

19.6

29.4
Clear
Wire Dia.(mm)
0.4

0.45

0.5

0.55

0.6

0.65

0.7

0.75

0.8

0.85

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.2

2.3

2.4

2.5

2.6

2.8

2.9

3

3.2

3.4

3.5

3.6

3.8

4

4.3

4.5
Clear
Solid Length(mm)
2.7

3

3.2

3.3

3.5

5.2

5.4

5.5

5.8

6

6.2

6.4

6.5

6.9

7

7.5

7.7

8

8.4

8.5

9

9.1

9.3

9.6

9.8

9.9

10

10.2

10.4

10.5

10.8

11

11.5

11.9

12

12.3

12.4

12.5

12.6

12.7

12.8

13

13.5

13.6

13.9

14

14.5

15

15.4

16

16.5

16.7

16.8

17

17.1

17.4

17.5

18

18.2

18.4

18.5

18.8

19

19.4

19.5

20

20.3

20.4

21

21.5

21.6

22

22.5

22.8

23

23.5

24

24.5

24.7

25

25.2

25.5

26

26.3

26.8

27

27.5

27.6

28

29

30

30.5

30.8

31

31.5

32

33

34

35

35.1

35.5

36

36.5

37.4

37.5

38

39

39.6

40

41

42

43

43.5

44.5

45

45.6

45.9

46

47.2

47.5

48

48.5

49.3

50

52

52.5

54

55

56.8

57

58

61

63

64.4

67

68

71

72
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
WB10-25
WB10-30
WB10-35
WB4-5
WB4-50
WB5-10

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Allowable Load (Configurable Range) (N)	End Surface Status	Max. Load (N)	Height upon Max. Load applied L-F (mm)	Free Length L (mm)	Outer Dia. D (or D1) (mm)	Inner Dia. D-2d (or D) (mm)	Spring Constant (N/mm)	Wire Dia. (mm)	Solid Length (mm)	Allowable Deflection (mm)
1.13 €	1	Available	Same day Stock	10	50.01 to 73.00	With Grinding	61.8	18.7	25	10	7	9.8	1.5	16.5	6.3
1.13 €	1		Same day Stock	10	73.01 to 107.00	With Grinding	73.5	22.5	30	10	7	9.8	1.5	17	7.5
1.13 €	1	Available	5 Days	10	73.01 to 107.00	With Grinding	86.3	26.2	35	10	6.8	9.8	1.6	23	8.8
0.86 €	1	Available	5 Days	10	4.51 to 8.50	Without Grinding	5.9	3.7	5	4	3	4.9	0.5	3	1.3
0.92 €	1	Available	5 Days	10	50.01 to 73.00	With Grinding	61.3	37.5	50	4	2.3	4.9	0.85	34	12.5
0.86 €	1	Available	Same day Stock	10	16.01 to 30.00	With Grinding	24.5	7.5	10	5	3.4	9.8	0.8	7	2.5