Load ± 10% Squareness 2° or less Free length L 50 or less ± 0.5mm 55 or more ± 1% Coil direction Right
※1
0 － 0.7
D
＋ 0.7 ＋ 0.1
Light
Load guide
Heavy
d
COIL SPRINGS −LIGHT LOAD SWL−
S W C
S W F
S W L
S W M
S W H
S W B
S W G
※ 1 D7 0 is 0
－ 1.0
Spring constant N/mm{kgf/mm}
Spring constant N/mm{kgf/mm}
Spring constant N/mm{kgf/mm}
Spring constant N/mm{kgf/mm}
F = L × 32% F = L × 36% F = L × 40% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
F = L × 32% F = L × 36% F = L × 40% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
F = L × 32% F = L × 36% F = L × 40% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
F = L × 32% F = L × 36% F = L × 40% Part Number Fmm Load N{kgf} Fmm Load N{kgf} Fmm Load N{kgf} Type D–L
D d L
D d L
D d L
D d L
SWL40–40
SWL6 –15
SWL25–25
SWL16–20
40 132 {13.5 } 45 118 {12.0 } 50 106 {10.8 } 55 96.2{ 9.81} 60 88.2{ 8.99} 65 81.4{ 8.30} 70 75.6{ 7.71} 75 70.6{ 7.20} 80 66.2{ 6.75} 90 58.8{ 6.00} 100 52.9{ 5.40} 125 42.3{ 4.32} 150 35.3{ 3.60} 175 30.2{ 3.08} 200 26.5{ 2.70} 225 23.5{ 2.40} 250 21.2{ 2.16} 275 19.2{ 1.96} 300 17.6{ 1.80} 50 166 {16.9 } 55 151 {15.4 } 60 138 {14.1 } 65 127 {13.0 } 70 118 {12.1 } 75 110 {11.3 } 80 104 {10.6 } 90 92.0{ 9.38} 100 82.8{ 8.44} 125 66.2{ 6.75} 150 55.2{ 5.63} 175 47.3{ 4.82} 200 41.4{ 4.22} 225 36.8{ 3.75} 250 33.1{ 3.38} 275 30.1{ 3.07} 300 27.6{ 2.81}
15 13.1{1.33} 4.8 20 9.8{1.00} 6.4 25 7.8{0.80} 8.0 30 6.5{0.67} 9.6 35 5.6{0.57} 11.2 40 4.9{0.50} 12.8 10 24.5{2.50} 3.2 15 16.3{1.67} 4.8 20 12.3{1.25} 6.4 25 9.8{1.00} 8.0 30 8.2{0.83} 9.6 35 7.0{0.71} 11.2 40 6.1{0.63} 12.8 45 5.4{0.56} 14.4 50 4.9{0.50} 16.0 55 4.5{0.45} 17.6 60 4.1{0.42} 19.2 65 3.8{0.38} 20.8 70 3.5{0.36} 22.4 75 3.3{0.33} 24.0 80 3.1{0.31} 25.6 10 34.3{3.50} 3.2 15 22.9{2.33} 4.8 20 17.2{1.75} 6.4 25 13.7{1.40} 8.0 30 11.4{1.17} 9.6 35 9.8{1.00} 11.2 40 8.6{0.88} 12.8 45 7.6{0.78} 14.4 50 6.9{0.70} 16.0 55 6.2{0.64} 17.6 60 5.7{0.58} 19.2 65 5.3{0.54} 20.8 70 4.9{0.50} 22.4 75 4.6{0.47} 24.0 80 4.3{0.44} 25.6 90 3.8{0.39} 28.8 15 34.3{3.50} 4.8 20 25.7{2.63} 6.4 25 20.6{2.10} 8.0 30 17.2{1.75} 9.6 35 14.7{1.50} 11.2 40 12.9{1.31} 12.8 45 11.4{1.17} 14.4 50 10.3{1.05} 16.0 55 9.4{0.95} 17.6 60 8.6{0.88} 19.2 65 7.9{0.81} 20.8 70 7.4{0.75} 22.4 75 6.9{0.70} 24.0 80 6.4{0.66} 25.6 90 5.7{0.58} 28.8 20 34.3{3.50} 6.4 25 27.5{2.80} 8.0 30 22.9{2.33} 9.6 35 19.6{2.00} 11.2 40 17.2{1.75} 12.8 45 15.3{1.56} 14.4 50 13.7{1.40} 16.0 55 12.5{1.27} 17.6 60 11.4{1.17} 19.2 65 10.6{1.08} 20.8 70 9.8{1.00} 22.4 75 9.2{0.93} 24.0 80 8.6{0.88} 25.6 90 7.6{0.78} 28.8 100 6.9{0.70} 32.0
5.4 7.2 9.0
6.0 8.0
25 82.4 { 8.40} 30 68.6 { 7.00} 35 58.8 { 6.00} 40 51.5 { 5.25} 45 45.8 { 4.67} 50 41.2 { 4.20} 55 37.4 { 3.82} 60 34.3 { 3.50} 65 31.7 { 3.23} 70 29.4 { 3.00} 75 27.5 { 2.80} 80 25.7 { 2.63} 90 22.9 { 2.33} 100 20.6 { 2.10} 125 16.5 { 1.68} 150 13.7 { 1.40} 175 11.8 { 1.20} 200 10.3 { 1.05} 25 98.1 {10.0 } 30 81.7 { 8.33} 35 70.0 { 7.14} 40 61.3 { 6.25} 45 54.5 { 5.56} 50 49.0 { 5.00} 55 44.6 { 4.55} 60 40.9 { 4.17} 65 37.7 { 3.85} 70 35.0 { 3.57} 75 32.7 { 3.33} 80 30.6 { 3.13} 90 27.2 { 2.78} 100 24.5 { 2.50} 125 19.6 { 2.00} 150 16.3 { 1.67} 175 14.0 { 1.43} 200 12.3 { 1.25} 25 119 {12.1 } 30 98.8 {10.1 } 35 84.7 { 8.64} 40 74.1 { 7.56} 45 65.9 { 6.72} 50 59.3 { 6.05} 55 53.9 { 5.50} 60 49.4 { 5.04} 65 45.6 { 4.65} 70 42.4 { 4.32} 75 39.5 { 4.03} 80 37.1 { 3.78} 90 32.9 { 3.36} 100 29.7 { 3.02} 125 23.7 { 2.42} 150 19.8 { 2.02} 175 16.9 { 1.73} 200 14.8 { 1.51}
8.0 9.6
9.0
12.8 14.4 16.0 17.6 19.2 20.8 22.4 24.0 25.6 28.8 32.0 40.0 48.0 56.0 64.0 72.0 80.0 88.0 96.0 16.0 17.6 19.2 20.8 22.4 24.0 25.6 28.8 32.0 40.0 48.0 56.0 64.0 72.0 80.0 88.0 96.0
14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0 63.0 72.0 81.0 90.0 99.0
16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0 90.0
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0
20 42.9{4.38} 6.4 25 34.3{3.50} 8.0 30 28.6{2.92} 9.6 35 24.5{2.50} 11.2 40 21.5{2.19} 12.8 45 19.1{1.94} 14.4 50 17.2{1.75} 16.0 55 15.6{1.59} 17.6 60 14.3{1.46} 19.2 65 13.2{1.35} 20.8 70 12.3{1.25} 22.4 75 11.4{1.17} 24.0 80 10.7{1.09} 25.6 90 9.5{0.97} 28.8 100 8.6{0.88} 32.0 125 6.9{0.70} 40.0 20 52.7{5.38} 6.4 25 42.2{4.30} 8.0 30 35.1{3.58} 9.6 35 30.1{3.07} 11.2 40 26.4{2.69} 12.8 45 23.4{2.39} 14.4 50 21.1{2.15} 16.0 55 19.2{1.95} 17.6 60 17.6{1.79} 19.2 65 16.2{1.65} 20.8 70 15.1{1.54} 22.4 75 14.1{1.43} 24.0 80 13.2{1.34} 25.6 90 11.7{1.19} 28.8 100 10.5{1.08} 32.0 125 8.4{0.86} 40.0 20 66.2{6.75} 6.4 25 53.0{5.40} 8.0 30 44.1{4.50} 9.6 35 37.8{3.86} 11.2 40 33.1{3.38} 12.8 45 29.4{3.00} 14.4 50 26.5{2.70} 16.0 55 24.1{2.45} 17.6 60 22.1{2.25} 19.2 65 20.4{2.08} 20.8 70 18.9{1.93} 22.4 75 17.7{1.80} 24.0 80 16.5{1.69} 25.6 90 14.7{1.50} 28.8 100 13.2{1.35} 32.0 125 10.6{1.08} 40.0 150 8.8{0.90} 48.0 25 65.7{6.70} 8.0 30 54.8{5.58} 9.6 35 46.9{4.79} 11.2 40 41.1{4.19} 12.8 45 36.5{3.72} 14.4 50 32.9{3.35} 16.0 55 29.9{3.05} 17.6 60 27.4{2.79} 19.2 65 25.3{2.58} 20.8 70 23.5{2.39} 22.4 75 21.9{2.23} 24.0 80 20.5{2.09} 25.6 90 18.3{1.86} 28.8 100 16.4{1.68} 32.0 125 13.1{1.34} 40.0 150 11.0{1.12} 48.0
7.2 9.0
8.0
20 25 30 35 40
25 30 35 40 45 50 55 60 65 70 75 80 90
45 50 55 60 65 70 75 80 90
30 35 40 45 50 55 60 65 70 75 80 90
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0 63.0 72.0
63 {6.4}
71 {7.2}
78 {8.0}
10.0 12.0 14.0 16.0
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0
11.2 12.8 14.4 16.0 17.6 19.2 20.8 22.4 24.0 25.6 28.8 32.0 40.0 48.0 56.0 64.0
6 3
10.8 12.6 14.4
SWL8 –10
3.6 5.4 7.2 9.0
4.0 6.0 8.0
275 {28}
309 {32}
343 {35}
15 20 25 30 35 40 45 50 55 60 65 70 75 80
16 8
659 {67}
824 {84}
741 {76}
1694 {173}
1905 {194}
2117 {216}
25 12.5
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0
40 20
100 125 150 175 200 225 250 275 300
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8
78 {8.0}
88 {9.0}
98 {10}
100 125 150 175 200
8 4
100 125
SWL18–20
100.0 110.0 120.0
7.2 9.0
8.0
25 30 35 40 45 50 55 60 65 70 75 80 90
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0
SWL27–25
108.0
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0
8.0 9.6
9.0
SWL50–50
30 35 40 45 50 55 60 65 70 75 80 90
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0 63.0 72.0
18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0 63.0 72.0 81.0 90.0 99.0
20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0 90.0
55 60 65 70 75 80 90
11.2 12.8 14.4 16.0 17.6 19.2 20.8 22.4 24.0 25.6 28.8 32.0 40.0 48.0 56.0 64.0
SWL10–10
3.6 5.4 7.2 9.0
4.0 6.0 8.0
15 20 25 30 35 40 45 50 55 60 65 70 75 80 90
337 {34}
380 {39}
422 {43}
18 9
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4
785 {80}
981 {100}
883 {90}
27 13.5
100 125 150 175 200 225 250 275 300 350 400 450 500
110 {11}
124 {13}
137 {14}
2650 {270}
2981 {304}
3312 {338}
10 5
50 25
100 125
100 125 150 175 200
SWL20–20
7.2 9.0
8.0
25 30 35 40 45 50 55 60 65 70 75 80 90
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0 50.0 60.0
100.0 110.0 120.0 140.0 160.0 180.0 200.0
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0
108.0 126.0 144.0 162.0 180.0
SWL30–25
350 23.7{ 2.41} 112.0 400 20.7{ 2.11} 128.0 450 18.4{ 1.88} 144.0 500 16.6{ 1.69} 160.0
8.0 9.6
9.0
SWL12–15
30 35 40 45 50 55 60 65 70 75 80 90
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0 63.0 72.0 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0 63.0 72.0
5.4 7.2 9.0
6.0 8.0
20 25 30 35 40 45 50 55 60 65 70 75 80 90
11.2 12.8 14.4 16.0 17.6 19.2 20.8 22.4 24.0 25.6 28.8 32.0 40.0 48.0 56.0 64.0
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0
424 {43}
477 {48}
530 {54}
SWL60–60
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4
20 10
19.2 22.4 25.6 28.8 32.0 40.0 48.0 56.0 64.0 72.0 80.0 88.0 96.0
21.6 25.2 28.8 32.4 36.0 45.0 54.0 63.0 72.0 81.0 90.0 99.0
24.0 28.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0 90.0
60 199{20.3 } 70 170{17.4 } 80 149{15.2 } 90 133{13.5 } 100 119{12.2 } 125 95.4{ 9.73} 150 79.5{ 8.11} 175 68.1{ 6.95} 200 59.6{ 6.08} 225 53.0{ 5.40} 250 47.7{ 4.86} 275 43.4{ 4.42} 300 39.8{ 4.05}
70 80 90
165 {17}
185 {19}
206 {21}
949 {97}
1186 {121}
1067 {109}
100 125 150 175 200 225 250 275 300 350 400 450 500
12 6
30 15
100 125 150
3816 {389}
4293 {438}
4770 {486}
60 30
SWL22–25
100 125 150 175 200
9.0
30 35 40 45 50 55 60 65 70 75 80 90
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0 45.0 54.0
100.0 110.0 120.0 140.0 160.0 180.0 200.0
SWL14–20
108.0 126.0 144.0 162.0 180.0
7.2 9.0
8.0
25 30 35 40 45 50 55 60 65 70 75 80 90
10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 36.0 40.0
350 34.1{ 3.47} 112.0 400 29.8{ 3.04} 128.0 450 26.5{ 2.70} 144.0 500 23.9{ 2.43} 160.0
SWL35–40
10.8 12.6 14.4 16.2 18.0 19.8 21.6 23.4 25.2 27.0 28.8 32.4 36.0
40 101 {10.3 } 12.8
45 50 55 60 65 70 75 80 90
45 89.8 { 9.16} 50 80.9 { 8.24} 55 73.5 { 7.49} 60 67.4 { 6.87} 65 62.2 { 6.34} 70 57.8 { 5.89} 75 53.9 { 5.50} 80 50.5 { 5.15} 90 44.9 { 4.58} 100 40.4 { 4.12} 125 32.3 { 3.30} 150 27.0 { 2.75} 175 23.1 { 2.36} 200 20.2 { 2.06}
14.4 16.0 17.6 19.2 20.8 22.4 24.0 25.6 28.8 32.0 40.0 48.0 56.0 64.0
526 {54}
591 {60}
657 {67}
22 11
SWL70–70
70 214{21.8 } 80 187{19.0 } 90 166{16.9 } 100 149{15.2 } 125 120{12.2 } 150 99.6{10.2 } 175 85.4{ 8.71} 200 74.7{ 7.62} 250 59.8{ 6.10} 300 49.8{ 5.08}
22.4 25.6 28.8 32.0 40.0 48.0 56.0 64.0 80.0 96.0
25.2 28.8 32.4 36.0 45.0 54.0 63.0 72.0 90.0
28.0 32.0 36.0 40.0 50.0 60.0 70.0 80.0
80 90
220 {22}
247 {25}
275 {28}
14 7
100 125 150 175 200 250 300 350
1455 {148}
1294 {132}
1617 {165}
35 17.5
4782 {488}
5380 {549}
5978 {610}
100 125 150
70 38.5
100 125 150 175 200
Operation frequency 1 million times 500,000 times 300,000 times
100.0 120.0 140.0
100
108.0 126.0
350 42.7{ 4.35} 112.0
Operation frequency 1 million times 500,000 times 300,000 times
Part Number SWL22–100
Operation frequency 1 million times 500,000 times 300,000 times
Order
Operation frequency 1 million times 500,000 times 300,000 times
M Material Oil tempered wire for spring ● Load calculation method:
Load = Spring constant × Deflection
(NT) – Part Number NT – SWL30–90
Quotation
(International unit) N = N/mm × Fmm kgf = kgf/mm × Fmm (kgf = N × 0.101972)
Alterations
e Product guide d P.1139 e Load graph d P.1141 e Instructions and notes for coil springs d P.1142 e For information on the D dimension and the counterbore hole, and also the d dimension and the shaft d P.1142
Quotation
Delivery
Alterations Code
Spec.
Paint peeling process d P.1147 Peel the coating by shot peening the coil springs. e Since the springs which have undergone the painting peeling are easy to rust, be careful in handling. Rusting of spring will lead to premature damaging. e Compared to painted springs, there may be some dispersions in terms of load, etc. depending on the lot.
NT
1173
1174
No painting
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