Specifications

Part Number

UL16-80
UTT16-80

■UL: Fmax. (Allowable Deflection) =Lx40%

Part Number		d	Solid Length	F max.	N{kgf}max.		Unit Price
Type D-L		d	Solid Length	F max.	N{kgf}max.		Unit Price
UL 2-	5*	0.2	1.65	2	0.98	{0.1}
	10*	0.26	5.07	4	1.96	{0.2}
	15*	0.26	5.07	6	2.94	{0.3}
	20*	0.3	9.9	8	3.92	{0.4}
	25*	0.32	14.1	10	4.90	{0.5}
	30*	0.32	14.1	12	5.88	{0.6}
UL 3-	5*	0.30	2	2	2.0	{0.2}
	10*	0.35	3.7	4	3.9	{0.4}
	15*	0.4	6.6	6	5.9	{0.6}
	20*	0.4	6.6	8	7.8	{0.8}
	25*	0.45	11.7	10	9.8	{1 }
	30*	0.45	11.7	12	11.8	{1.2}
	35*	0.45	11.7	14	13.7	{1.4}
	40*	0.5	20	16	15.7	{1.6}
UL 4-	5*	0.35	2.1	2	2.0	{0.2}
	10*	0.45	5.3	4	3.9	{0.4}
	15*	0.45	5.3	6	5.9	{0.6}
	20*	0.5	8	8	7.8	{0.8}
	25*	0.5	8	10	9.8	{1 }
	30*	0.55	12.7	12	11.8	{1.2}
	35*	0.55	12.7	14	13.7	{1.4}
	40	0.6	19.8	16	15.7	{1.6}
	45	0.6	19.8	18	17.7	{1.8}
	50	0.6	19.8	20	19.6	{2 }
	60	0.65	29.9	24	23.5	{2.4}
UL 5-	5*	0.4	2.2	2	2.0	{0.2}
	10*	0.5	4.75	4	3.9	{0.4}
	15*	0.5	4.75	6	5.9	{0.6}
	20*	0.55	6.88	8	7.8	{0.8}
	25*	0.55	6.88	10	9.8	{1 }
	30	0.65	14.95	12	11.8	{1.2}
	35	0.65	14.95	14	13.7	{1.4}
	40	0.65	14.95	16	15.7	{1.6}
	45	0.7	21.7	18	17.7	{1.8}
	50	0.7	21.7	20	19.6	{2 }
	60	0.75	30.75	24	23.5	{2.4}
UL 6-	5*	0.45	2.3	2	2.0	{0.2}
	10*	0.55	4.4	4	3.9	{0.4}
	15*	0.55	4.4	6	5.9	{0.6}
	20	0.65	8.5	8	7.8	{0.8}
	25	0.65	8.5	10	9.8	{1 }
	30	0.7	12.6	12	11.8	{1.2}
	35	0.7	12.6	14	13.7	{1.4}
	40	0.7	12.6	16	15.7	{1.6}
	45	0.75	17.3	18	17.7	{1.8}
	50	0.75	17.3	20	19.6	{2 }
	60	0.8	24.8	24	23.5	{2.4}
	70	0.8	24.8	28	27.5	{2.8}
UL 8-	10	0.65	4.6	4	3.9	{0.4}
	15	0.75	8.3	6	5.9	{0.6}
	20	0.75	8.3	8	7.8	{0.8}
	25	0.75	8.3	10	9.8	{1 }
	30	0.8	10.4	12	11.8	{1.2}
	35	0.8	10.4	14	13.7	{1.4}
	40	0.8	10.4	16	15.7	{1.6}
	45	0.85	14.5	18	17.7	{1.8}
	50	0.85	14.5	20	19.6	{2 }
	60	0.9	18	24	23.5	{2.4}
	70	1.0	30	28	27.5	{2.8}
	80	1.0	30	32	31.4	{3.2}
UL 10-	10	0.75	4.7	4	3.9	{0.4}
	15	0.8	6.2	6	5.9	{0.6}
	20	0.8	6.2	8	7.8	{0.8}
	25	0.9	9.5	10	9.8	{1 }
	30	0.9	9.5	12	11.8	{1.2}
	35	0.9	9.5	14	13.7	{1.4}
	40	1.0	15.5	16	15.7	{1.6}
	45	1.0	15.5	18	17.7	{1.8}
	50	1.0	15.5	20	19.6	{2 }
	60	1.1	23.7	24	23.5	{2.4}
	70	1.1	23.7	28	27.5	{2.8}
	80	1.1	23.7	32	31.4	{3.2}
UL 12-	15	0.9	6.75	6	5.9	{0.6}
	20	1	10	8	7.8	{0.8}
	25	1	10	10	9.8	{1.0}
	30	1.1	14.85	12	11.8	{1.2}
	35	1.1	14.85	14	13.7	{1.4}
	40	1.2	21.6	16	15.7	{1.6}
	45	1.2	21.6	18	17.7	{1.8}
	50	1.2	21.6	20	19.6	{2.0}
	60	1.3	32.5	24	23.5	{2.4}
	70	1.3	32.5	28	27.5	{2.8}
	80	1.4	46.2	32	31.4	{3.2}
UL 13-	15	0.9	5.4	6	5.9	{0.6}
	20	1.0	8.25	8	7.8	{0.8}
	25	1.0	8.25	10	9.8	{1 }
	30	1.1	12.1	12	11.8	{1.2}
	35	1.1	12.1	14	13.7	{1.4}
	40	1.1	12.1	16	15.7	{1.6}
	45	1.2	16.8	18	17.7	{1.8}
	50	1.2	16.8	20	19.6	{2 }
	60	1.2	16.8	24	23.5	{2.4}
	70	1.4	35	28	27.5	{2.8}
	80	1.4	35	32	31.4	{3.2}
UL 16-	15	1.1	7.7	6	5.9	{0.6}
	20	1.1	7.7	8	7.8	{0.8}
	25	1.2	10.8	10	9.8	{1 }
	30	1.2	10.8	12	11.8	{1.2}
	35	1.3	14.3	14	13.7	{1.4}
	40	1.3	14.3	16	15.7	{1.6}
	45	1.4	19.6	18	17.7	{1.8}
	50	1.4	19.6	20	19.6	{2 }
	60	1.4	19.6	24	23.5	{2.4}
	70	1.5	27	28	27.5	{2.8}
	80	1.5	27	32	31.4	{3.2}
UL 20-	20	1.6	10.4	8	23.5	{2.4}
	25	1.6	10.4	10	29.4	{3 }
	30	1.7	12.8	12	35.3	{3.6}
	35	1.7	12.8	14	41.2	{4.2}
	40	1.8	15.3	16	47.1	{4.8}
	45	1.8	15.3	18	53.0	{5.4}
	50	2	23	20	58.8	{6 }
	60	2	23	24	70.6	{7.2}
	70	2.2	35.2	28	82.4	{8.4}
	80	2.2	35.2	32	94.1	{9.6}

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

■UTT: Fmax. (Allowable Deflection) =LxFa%

Part Number		d	Solid Length	F max.	N{kgf}		Fa%	Unit Price
TypeD-L		d	Solid Length	F max.	Max.		Fa%	Unit Price
UTT 3-	5*	0.35	2.8	2	2.9	{0.3}	40
	10*	0.4	4.8	4	5.9	{0.6}
	15*	0.45	8.3	6	8.8	{0.9}
	20*	0.45	8.3	6	8.8	{0.9}	30
	25*	0.5	14	8	11.8	{1.2}	32
	30*	0.5	14	8	11.8	{1.2}	27
UTT 4-	5*	0.4	2.6	2	2.9	{0.3}	40
	10*	0.45	3.9	4	5.9	{0.6}
	15*	0.5	6	6	8.8	{0.9}
	20*	0.55	9.4	8	11.8	{1.2}
	25	0.6	14.4	10	14.7	{1.5}
	30	0.6	14.4	9.9	14.7	{1.5}	33
UTT 5-	5*	0.45	2.6	2	2.9	{0.3}	40
	10*	0.5	3.6	4	5.9	{0.6}
	15	0.6	7.5	6	8.8	{0.9}
	20	0.6	7.5	8	11.8	{1.2}
	25	0.65	10.7	10	14.7	{1.5}
	30	0.7	15.4	12	17.7	{1.8}
	35	0.7	15.4	14	20.6	{2.1}
UTT 6-	5*	0.5	2.4	2	3.9	{0.4}	40
	10	0.6	4.2	4	7.8	{0.8}
	15	0.7	7.4	6	11.8	{1.2}
	20	0.7	7.4	8	15.7	{1.6}
	25	0.8	13.6	10	19.6	{2.0}
	30	0.8	13.6	12	23.5	{2.4}
	35	0.85	17.5	14	27.5	{2.8}
	40	0.9	23.4	16	31.4	{3.2}
	45	0.9	23.4	18	35.3	{3.6}
	50	0.9	23.4	18	35.3	{3.6}	36
	60	1.0	41	18	35.3	{3.6}	30
	70	1.0	41	24	47.1	{4.8}	34
UTT 8-	10	0.75	5.3	4	7.8	{0.8}	40
	15	0.75	5.3	6	11.8	{1.2}
	20	0.9	10.4	8	15.7	{1.6}
	25	0.9	10.4	10	19.6	{2.0}
	30	1.0	17	12	23.5	{2.4}
	35	1.0	17	14	27.5	{2.8}
	40	1.0	17	16	31.4	{3.2}
	45	1.1	25.3	18	35.3	{3.6}
	50	1.1	25.3	20	39.2	{4.0}
	60	1.1	25.3	24	47.1	{4.8}
	70	1.2	39.6	23.8	54.9	{5.6}
UTT 10-	10	0.85	5.1	4	7.8	{0.8}	40
	15	0.85	5.1	6	11.8	{1.2}
	20	1.0	9.5	8	15.7	{1.6}
	25	1.0	9.5	10	19.6	{2.0}
	30	1.1	14.3	12	23.5	{2.4}
	35	1.1	14.3	14	27.5	{2.8}
	40	1.2	20.4	16	31.4	{3.2}
	45	1.2	20.4	18	35.3	{3.6}
	50	1.2	20.4	20	39.2	{4.0}
	60	1.3	29.9	24	47.1	{4.8}
	70	1.4	43.4	23.8	47.1	{4.8}	34
UTT 13-	15	1.0	5.75	6	11.8	{1.2}	40
	20	1.2	10.5	8	15.7	{1.6}
	25	1.2	10.5	10	19.6	{2.0}
	30	1.3	15	12	23.5	{2.4}
	35	1.3	15	14	27.5	{2.8}
	40	1.4	20.3	16	31.4	{3.2}
	45	1.4	20.3	18	35.3	{3.6}
	50	1.5	27.8	20	39.2	{4.0}
	60	1.5	27.8	24	47.1	{4.8}
	70	1.6	38.4	28	54.9	{5.6}
	80	1.6	38.4	32	62.8	{6.4}
UTT 16-	15	1.2	7.2	6	11.8	{1.2}	40
	20	1.3	9.1	8	15.7	{1.6}
	25	1.3	9.1	10	19.6	{2.0}
	30	1.4	12.3	12	23.5	{2.4}
	35	1.5	16.5	14	27.5	{2.8}
	40	1.6	21.6	16	31.4	{3.2}
	45	1.6	21.6	18	35.3	{3.6}
	50	1.7	28	20	39.2	{4.0}
	60	1.7	28	24	47.1	{4.8}
	70	1.8	36	28	54.9	{5.6}
	80	1.8	36	32	62.8	{6.4}
UTT 20-	20	1.7	10.6	8	31.4	{3.2}	40
	25	1.8	12.6	10	39.2	{4.0}
	30	1.8	12.6	12	47.1	{4.8}
	35	2.0	19	14	54.9	{5.6}
	40	2.0	19	16	62.8	{6.4}
	45	2.0	19	18	70.6	{7.2}
	50	2.2	27.5	20	78.5	{8.0}
	60	2.2	27.5	24	94.1	{9.6}
	70	2.3	34.5	28	109.8	{11.2}
	80	2.4	40.8	32	125.5	{12.8}

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=L×70%

F=LxFa%

F=LxFa%

F=Lx45%

F=Lx40%

F=LxFa%

F=LxFa%

F=LxFa%

F=LxFa%

Round Wire Coil Springs/Deflection 40%/O.D. Referenced