MISUMI UM20-40

Material EN 1.4301 (WPB) Equiv. Spring Constant �10% Specifications

Part Number

UM16-80 UH16-80

�UM: Fmax. (Allowable Deflection) =LxFa%

Part Number	d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
TypeD-L
UM 4-	5*	0.4	2.2	1.75	3.4	{0.35}	35
	10*	0.5	4.9	3.5	6.8	{0.7 }
	15	0.55	7.5	5.25	10.3	{1.05}
	20	0.6	11.1	7	13.7	{1.4 }
	25	0.6	11.1	8.75	17.2	{1.75}
	30	0.65	16.3	10.5	20.6	{2.1 }
UM 5-	5*	0.45	2.25	1.75	3.4	{0.35}	35
	10*	0.5	3.13	3.5	6.8	{0.7 }
	15	0.65	8.45	5.25	10.3	{1.05}
	20	0.65	8.45	7	13.7	{1.4 }
	25	0.7	11.9	8.75	17.2	{1.75}
	30	0.7	11.9	10.5	20.6	{2.1 }
	35	0.75	16.5	12.25	24.0	{2.45}
	40	0.8	23.2	14	27.5	{2.8 }
	45	0.8	23.2	15.75	30.9	{3.15}
	50	0.85	31.45	17.5	34.3	{3.5 }
UM 6-	5*	0.55	2.7	1.7	4.9	{0.5 }	35
	10	0.7	5.6	3.5	10.8	{1.1 }
	15	0.75	7.4	5.2	15.7	{1.6 }
	20	0.75	7.4	7	20.6	{2.1 }
	25	0.85	12.8	8.7	25.5	{2.6 }
	30	0.85	12.8	10.5	31.4	{3.2 }
	35	0.9	16.7	12.2	36.3	{3.7 }
	40	0.9	16.8	14	41.2	{4.2 }
	45	1.0	27.8	15.8	46.1	{4.7 }
	50	1.0	28.0	17.5	52.0	{5.3 }
	60	1.0	28.0	18	53.0	{5.4 }	30
	70	1.1	46.2	20	58.8	{6 }	28
UM 8-	10	0.85	6.4	3.5	10.8	{1.1 }	35
	15	0.9	7.9	5.2	15.7	{1.6 }
	20	0.9	7.9	7	20.6	{2.1 }
	25	0.9	7.9	8.7	25.5	{2.6 }
	30	1.0	12.0	10.5	31.4	{3.2 }
	35	1.0	12.0	12.2	36.3	{3.7 }
	40	1.1	18.7	14	41.2	{4.2 }
	45	1.1	18.7	15.8	46.1	{4.7 }
	50	1.1	18.7	17.5	52.0	{5.3 }
	60	1.2	28.2	21	61.8	{6.3 }
	70	1.3	42.0	24.5	72.6	{7.4 }
UM10-	10	0.9	5.2	3.5	10.8	{1.1}	35
	15	1.0	7.3	5.2	15.7	{1.6}
	20	1.0	7.3	7	20.6	{2.1}
	25	1.1	10.5	8.7	25.5	{2.6}
	30	1.1	10.5	10.5	31.4	{3.2}
	35	1.2	15	12.2	36.3	{3.7}
	40	1.2	15	14	41.2	{4.2}
	45	1.3	21.8	15.8	46.1	{4.7}
	50	1.3	21.8	17.5	52.0	{5.3}
	60	1.4	30.8	21	61.8	{6.3}
	70	1.4	30.8	24.5	72.6	{7.4}
UM13-	15	1.2	8.4	5.2	15.7	{1.6}	35
	20	1.3	11.1	7	20.6	{2.1}
	25	1.3	11.1	8.7	25.5	{2.6}
	30	1.4	15.1	10.5	31.4	{3.2}
	35	1.4	15.1	12.2	36.3	{3.7}
	40	1.4	15.1	14	41.2	{4.2}
	45	1.4	15.1	15.8	46.1	{4.7}
	50	1.4	15.1	17.5	52.0	{5.3}
	60	1.6	27.2	21	61.8	{6.3}
	70	1.6	27.2	24.5	72.6	{7.4}
	80	1.7	36.2	28	82.4	{8.4}
UM16-	15	1.4	9.6	5.2	15.7	{ 1.6}	35
	20	1.5	12.4	7	20.6	{ 2.1}
	25	1.5	12.4	8.7	25.5	{ 2.6}
	30	1.5	12.4	10.5	31.4	{ 3.2}
	35	1.6	15.6	12.2	36.3	{ 3.7}
	40	1.6	15.6	14	41.2	{ 4.2}
	45	1.7	20.4	15.8	46.1	{ 4.7}
	50	1.7	20.4	17.5	52.0	{ 5.3}
	60	1.8	26.1	21	61.8	{ 6.3}
	70	1.8	26.1	24.5	72.6	{ 7.4}
	80	1.8	26.1	28	82.4	{ 8.4}
UM20-	20	1.8	11.3	7	34.3	{ 3.5}	35
	25	1.9	13.3	8.8	43.1	{ 4.4}
	30	1.9	13.3	10.5	52.0	{ 5.3}
	35	2	16	12.3	59.8	{ 6.1}
	40	2	16	14	68.6	{ 7 }
	45	2.2	23.7	15.8	77.5	{ 7.9}
	50	2.2	23.7	17.5	86.3	{ 8.8}
	60	2.2	23.7	21	103.0	{10.5}
	70	2.4	34.8	24.5	120.6	{12.3}
	80	2.4	34.8	28	137.3	{14 }

kgf (Load)=N/mm (Spring Constant) x0.101972xF (Deflection) {kgf}=Nx0.101972 For Types marked with *, both ends 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 �UH: Fmax. (Allowable Deflection)=LxFa%

Part Number	d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
Type D-L
UH 4-	5*	0.45	2.7	1.5	4.4	{ 0.45}	30
	10*	0.5	3.8	3	8.8	{ 0.9 }
	15	0.6	8.1	4.5	13.2	{ 1.35}
	20	0.65	11.7	6	17.6	{ 1.8 }
	25	0.7	16.8	7.5	22.1	{ 2.25}
	30	0.7	16.8	9	26.5	{ 2.7 }
UH 5-	5*	0.55	3.3	1.5	4.4	{ 0.45}	30
	10	0.6	4.65	3	8.8	{ 0.9 }
	15	0.6	4.65	4.5	13.2	{ 1.35}
	20	0.75	11.81	6	17.6	{ 1.8 }
	25	0.75	11.81	7.5	22.1	{ 2.25}
	30	0.8	16	9	26.5	{ 2.7 }
	35	0.85	21.68	10.5	30.9	{ 3.15}
	40	0.85	21.68	12	35.3	{ 3.6 }
	45	0.9	28.8	13.5	39.7	{ 4.05}
UH 6-	5*	0.65	3.2	1.5	8.8	{ 0.9 }	30
	10	0.7	3.9	3	17.7	{ 1.8 }
	15	0.85	7.7	4.5	26.5	{ 2.7 }
	20	0.9	9.7	6	35.3	{ 3.6 }
	25	1.0	15.5	7.5	44.1	{ 4.5 }
	30	1.0	15.5	9	53.0	{ 5.4 }
	35	1.1	24.8	9.8	57.9	{ 5.9 }	28
	40	1.1	24.8	10	58.8	{ 6 }	25
	45	1.1	24.8	11.3	66.7	{ 6.8 }
	50	1.2	39.0	10	58.8	{ 6 }	20
	60	1.2	39.0	14	82.4	{ 8.4 }	23
	70	1.2	39.0	15	88.3	{ 9 }	21
UH 8-	10	0.9	5.3	3	17.7	{ 1.8 }	30
	15	0.9	5.3	4.5	26.5	{ 2.7 }
	20	1.1	11	6	35.3	{ 3.6 }
	25	1.1	11	7.5	44.1	{ 4.5 }
	30	1.2	15.9	9	53.0	{ 5.4 }
	35	1.2	15.9	10.5	61.8	{ 6.3 }
	40	1.3	23.1	12	70.6	{ 7.2 }
	45	1.3	23.1	13.5	79.4	{ 8.1 }
	50	1.4	33.3	15	88.3	{ 9 }
	60	1.4	33.3	18	105.9	{10.8 }
	70	1.5	48.0	19	111.8	{11.4 }	27
UH 10-	10	1.1	6.9	3	17.7	{ 1.8}	30
	15	1.1	6.9	4.5	26.5	{ 2.7}
	20	1.2	9.3	6	35.3	{ 3.6}
	25	1.2	9.3	7.5	44.1	{ 4.5}
	30	1.3	12.7	9	53.0	{ 5.4}
	35	1.4	17.5	10.5	61.8	{ 6.3}
	40	1.4	17.5	12	70.6	{ 7.2}
	45	1.5	23.8	13.5	79.4	{ 8.1}
	50	1.5	23.8	15	88.3	{ 9 }
	60	1.6	32.4	18	105.9	{10.8}
	70	1.7	44.2	21	123.6	{12.6}
UH 13-	15	1.5	9.2	4.5	44.1	{ 4.5}	30
	20	1.5	9.2	6	58.8	{ 6 }
	25	1.5	9.2	7.5	73.5	{ 7.5}
	30	1.8	18	9	88.3	{ 9 }
	35	1.8	18	10.5	103.0	{10.5}
	40	1.8	18	12	117.7	{12 }
	45	1.8	18	13.5	132.4	{13.5}
	50	2.0	28.5	15	147.0	{15 }
	60	2.1	36	18	176.5	{18 }
	70	2.2	45.1	21	205.9	{21 }
	80	2.2	45.1	20	196.1	{20 }	25

Part Number	d	Solid Length	F max.	N{kgf}max.	Fa%	Unit Price
Type D-L
UH 16-	15	1.7	9.6	4.6	44.1	{ 4.5}	30
	20	1.9	14	6	58.8	{ 6 }
	25	1.9	14	7.5	73.5	{ 7.5}
	30	1.9	14	9	88.3	{ 9 }
	35	1.9	14	10.5	103.0	{10.5}
	40	2.2	25.1	12	117.7	{12 }
	45	2.2	25.1	13.5	132.4	{13.5}
	50	2.2	25.1	15	147.1	{15 }
	60	2.3	30.5	18	176.5	{18 }
	70	2.5	44.7	21	205.9	{21 }
	80	2.5	44.7	24	235.4	{24 }
UH 20-	25	2.3	13.8	7.5	110.8	{11.3}	30
	30	2.3	13.8	9	132.4	{13.5}
	35	2.5	18.8	10.5	154.9	{15.8}
	40	2.5	18.8	12	176.5	{18 }
	45	2.8	29.4	13.5	199.1	{20.3}
	50	2.8	29.4	15	220.6	{22.5}
	60	3	40.5	18	264.8	{27 }
	70	3	40.5	21	308.9	{31.5}
	80	3.2	54.4	24	353.0	{ 36 }

kgf (Load)=N/mm (Spring Constant) x0.101972xF (Deflection) {kgf}=Nx0.101972 For Types marked with *, both ends 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 �Spring Constant D12 is applicable to UY, UR, UF, UL and UBB Types only. D14 is applicable to UBB Type only.

Type

UV

UY

UR

UF

UL

UTT

UM

UH

UBB

D

2

0.05{0.005}

0.2{0.02}

0.3{0.03}

0.5{0.05}

3

N/mm 0.05 {kgf/mm} {0.005}

N/mm 0.098 {kgf/mm} {0.01}

N/mm 0.29 {kgf/mm} {0.03}

N/mm 0.49 {kgf/mm} {0.05}

N/mm 0.98 {kgf/mm} {0.1}

N/mm 1.5 {kgf/mm} {0.15}

4

2.0{0.2}

2.9{0.3}

4.9{0.5}

5

6

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}

8

10

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

12

13

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

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

14

16

20

0.3{0.03}

0.5{0.05}

0.98{0.1}

2.9{0.3}

3.9{0.4}

4.9{0.5}

14.7{1.5}

29.4{3.0}

Fmax.

F=Lx70%

F=LxFa%

F=LxFa%

F=Lx45%

F=Lx40%

F=LxFa%

F=LxFa%

F=LxFa%

F=L?Fa%

Alterations