Load ± 10% Squareness 3° or less Free length L 50 or less ± 0.5mm 55 or more ± 1.5% Coil direction Right
Load ± 10% Squareness 3° or less Free length L 50 or less ± 0.5mm 55 or more ± 1.5% Coil direction Right
D － 1.0 ＋ 0.5
D － 1.0 ＋ 0.5
Light
Load guide
Heavy
Light
Load guide
Heavy
＋ 0.7 ＋ 0.1 d
＋ 0.7 ＋ 0.1 d
COIL SPRINGS –ULTRA HIGH DEFLECTION SWY–
COIL SPRINGS –SUPER HIGH DEFLECTION SWU–
S W Y
S W U
S W R
S W S
S W N
S W Y
S W U
S W R
S W S
S W N
E F (Allowable deflection) is due to the measurement at normal temperature (40°C). Refer to P.1140 for the maximum allowable deflection at high temperature (150°C/200°C).
E F (Allowable deflection) is due to the measurement at normal temperature (40°C). Refer to P.1140 for the maximum allowable deflection at high temperature (150°C/200°C).
Spring constant N/mm {kgf/mm}
Spring Constant N/mm {kgf/mm}
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 × 65% Part Number Fmm Load N {kgf} Type D–L
F = L × 65% Part Number Fmm Load N {kgf} Type D–L
F = L × 60% Part Number Fmm Load N {kgf} Type D–L
F = L × 65% Part Number Fmm Load N {kgf} Type D–L
F = L × 60% Part Number Fmm Load N {kgf} Type D–L
F = L × 60% Part Number Fmm Load N {kgf} Type D–L
D d L
D d L
D d L
D d L
D d L
D d L
SWY20.5–30
SWY37–40
20 2.26 {0.23 } 13.0 25 1.81 {0.18 } 16.3 30 1.51 {0.15 } 19.5 35 1.29 {0.13 } 22.8 40 1.13 {0.12 } 26.0 45 1.01 {0.10 } 29.3 50 0.91 {0.092} 32.5 55 0.82 {0.084} 35.8 60 0.75 {0.077} 39.0 65 0.70 {0.071} 42.3 70 0.65 {0.066} 45.5 75 0.60 {0.061} 48.8 80 0.57 {0.058} 52.0 90 0.50 {0.051} 58.5 100 0.45 {0.046} 65.0 20 3.09 {0.32 } 13.0 25 2.47 {0.25 } 16.3 30 2.06 {0.21 } 19.5 35 1.77 {0.18 } 22.8 40 1.55 {0.16 } 26.0 45 1.37 {0.14 } 29.3 50 1.24 {0.13 } 32.5 55 1.12 {0.11 } 35.8 60 1.03 {0.11 } 39.0 65 0.95 {0.10 } 42.3 70 0.88 {0.090} 45.5 75 0.82 {0.084} 48.8 80 0.77 {0.079} 52.0 90 0.69 {0.070} 58.5 100 0.62 {0.063} 65.0 110 0.56 {0.057} 71.5 120 0.52 {0.053} 78.0 125 0.49 {0.050} 81.3 20 7.02 {0.72} 13.0 25 5.61 {0.57} 16.3 30 4.68 {0.48} 19.5 35 4.01 {0.41} 22.8 40 3.51 {0.36} 26.0 45 3.12 {0.32} 29.3 50 2.81 {0.29} 32.5 55 2.55 {0.26} 35.8 60 2.34 {0.24} 39.0 65 2.16 {0.22} 42.3 70 2.00 {0.20} 45.5 75 1.87 {0.19} 48.8 80 1.75 {0.18} 52.0 90 1.56 {0.16} 58.5 100 1.40 {0.14} 65.0 110 1.28 {0.13} 71.5 120 1.17 {0.12} 78.0 125 1.12 {0.11} 81.3 150 0.94 {0.10} 97.5
30 5.58 {0.57} 19.5 35 4.78 {0.49} 22.8 40 4.19 {0.43} 26.0 45 3.72 {0.38} 29.3 50 3.35 {0.34} 32.5 55 3.04 {0.31} 35.8 60 2.79 {0.28} 39.0 65 2.58 {0.26} 42.3 70 2.39 {0.24} 45.5 75 2.23 {0.23} 48.8 80 2.09 {0.21} 52.0 90 1.86 {0.19} 58.5 100 1.67 {0.17} 65.0 110 1.52 {0.16} 71.5 120 1.40 {0.14} 78.0 125 1.34 {0.14} 81.3 130 1.29 {0.13} 84.5 140 1.20 {0.12} 91.0 150 1.12 {0.11} 97.5 30 6.99 {0.71} 19.5 35 5.99 {0.61} 22.8 40 5.24 {0.53} 26.0 45 4.66 {0.48} 29.3 50 4.19 {0.43} 32.5 55 3.81 {0.39} 35.8 60 3.50 {0.36} 39.0 65 3.23 {0.33} 42.3 70 3.00 {0.31} 45.5 75 2.80 {0.29} 48.8 80 2.62 {0.27} 52.0 90 2.33 {0.24} 58.5 100 2.10 {0.21} 65.0 110 1.91 {0.19} 71.5 120 1.75 {0.18} 78.0 125 1.68 {0.17} 81.3 130 1.61 {0.16} 84.5 140 1.50 {0.15} 91.0 150 1.40 {0.14} 97.5 175 1.20 {0.12} 113.8 200 1.05 {0.11} 130.0 35 8.79 {0.90} 22.8 40 7.69 {0.78} 26.0 45 6.84 {0.70} 29.3 50 6.16 {0.63} 32.5 55 5.60 {0.57} 35.8 60 5.13 {0.52} 39.0 65 4.74 {0.48} 42.3 70 4.40 {0.45} 45.5 75 4.10 {0.42} 48.8 80 3.85 {0.39} 52.0 90 3.42 {0.35} 58.5 100 3.08 {0.31} 65.0 110 2.80 {0.29} 71.5 120 2.56 {0.26} 78.0 125 2.46 {0.25} 81.3 130 2.37 {0.24} 84.5 140 2.20 {0.22} 91.0 150 2.05 {0.21} 97.5 160 1.92 {0.20} 104.0 170 1.81 {0.18} 110.5 175 1.76 {0.18} 113.8 180 1.71 {0.17} 117.0 190 1.62 {0.17} 123.5 200 1.54 {0.16} 130.0 250 1.23 {0.13} 162.5 300 1.03 {0.10} 195.0
25 15.04 {1.53} 15.0 30 12.53 {1.28} 18.0 35 10.74 {1.10} 21.0 40 9.40 {0.96} 24.0 45 8.35 {0.85} 27.0 50 7.52 {0.77} 30.0 55 6.83 {0.70} 33.0 60 6.27 {0.64} 36.0 65 5.78 {0.59} 39.0 70 5.37 {0.55} 42.0 75 5.01 {0.51} 45.0 80 4.70 {0.48} 48.0 90 4.18 {0.43} 54.0 100 3.76 {0.38} 60.0 110 3.42 {0.35} 66.0 120 3.13 {0.32} 72.0 125 3.01 {0.31} 75.0 130 2.89 {0.29} 78.0 140 2.69 {0.27} 84.0 150 2.51 {0.26} 90.0 175 2.15 {0.22} 105.0 200 1.88 {0.19} 120.0 30 16.34 {1.67} 18.0 35 14.01 {1.43} 21.0 40 12.26 {1.25} 24.0 45 10.90 {1.11} 27.0 50 9.81 {1.00} 30.0 55 8.92 {0.91} 33.0 60 8.17 {0.83} 36.0 65 7.54 {0.77} 39.0 70 7.00 {0.71} 42.0 75 6.54 {0.67} 45.0 80 6.13 {0.63} 48.0 90 5.45 {0.56} 54.0 100 4.90 {0.50} 60.0 110 4.46 {0.45} 66.0 120 4.09 {0.42} 72.0 125 3.92 {0.40} 75.0 130 3.77 {0.38} 78.0 140 3.50 {0.36} 84.0 150 3.27 {0.33} 90.0 175 2.80 {0.29} 105.0 200 2.45 {0.25} 120.0 225 2.18 {0.22} 135.0 250 1.96 {0.20} 150.0 35 17.75 {1.81} 21.0 40 15.53 {1.58} 24.0 45 13.80 {1.41} 27.0 50 12.42 {1.27} 30.0 55 11.29 {1.15} 33.0 60 10.35 {1.06} 36.0 65 9.56 {0.97} 39.0 70 8.87 {0.90} 42.0 75 8.28 {0.84} 45.0 80 7.76 {0.79} 48.0 90 6.90 {0.70} 54.0 100 6.21 {0.63} 60.0 110 5.65 {0.58} 66.0 120 5.18 {0.53} 72.0 125 4.97 {0.51} 75.0 130 4.78 {0.49} 78.0 140 4.44 {0.45} 84.0 150 4.14 {0.42} 90.0 160 3.88 {0.40} 96.0 170 3.65 {0.37} 102.0 175 3.55 {0.36} 105.0 180 3.45 {0.35} 108.0 190 3.27 {0.33} 114.0 200 3.11 {0.32} 120.0 250 2.48 {0.25} 150.0 300 2.07 {0.21} 180.0
SWY11–20
SWU21–25
15 7.63 {0.78} 9.0 20 5.72 {0.58} 12.0 25 4.58 {0.47} 15.0 30 3.81 {0.39} 18.0 35 3.27 {0.33} 21.0 40 2.86 {0.29} 24.0 45 2.54 {0.26} 27.0 50 2.29 {0.23} 30.0 55 2.08 {0.21} 33.0 60 1.91 {0.19} 36.0 65 1.76 {0.18} 39.0 70 1.63 {0.17} 42.0 75 1.53 {0.16} 45.0 80 1.43 {0.15} 48.0 15 8.72 {0.89} 9.0 20 6.54 {0.67} 12.0 25 5.23 {0.53} 15.0 30 4.36 {0.44} 18.0 35 3.74 {0.38} 21.0 40 3.27 {0.33} 24.0 45 2.91 {0.30} 27.0 50 2.62 {0.27} 30.0 55 2.38 {0.24} 33.0 60 2.18 {0.22} 36.0 65 2.01 {0.21} 39.0 70 1.87 {0.19} 42.0 75 1.74 {0.18} 45.0 80 1.63 {0.17} 48.0 90 1.45 {0.15} 54.0 100 1.31 {0.13} 60.0 15 10.90 {1.11} 9.0 20 8.17 {0.83} 12.0 25 6.54 {0.67} 15.0 30 5.45 {0.56} 18.0 35 4.67 {0.48} 21.0 40 4.09 {0.42} 24.0 45 3.63 {0.37} 27.0 50 3.27 {0.33} 30.0 55 2.97 {0.30} 33.0 60 2.72 {0.28} 36.0 65 2.51 {0.26} 39.0 70 2.33 {0.24} 42.0 75 2.18 {0.22} 45.0 80 2.04 {0.21} 48.0 90 1.82 {0.19} 54.0 100 1.63 {0.17} 60.0 110 1.49 {0.15} 66.0 120 1.36 {0.14} 72.0 125 1.31 {0.13} 75.0 150 1.09 {0.11} 90.0 20 12.26 {1.25} 12.0 25 9.81 {1.00} 15.0 30 8.17 {0.83} 18.0 35 7.00 {0.71} 21.0 40 6.13 {0.63} 24.0 45 5.45 {0.56} 27.0 50 4.90 {0.50} 30.0 55 4.46 {0.45} 33.0 60 4.09 {0.42} 36.0 65 3.77 {0.38} 39.0 70 3.50 {0.36} 42.0 75 3.27 {0.33} 45.0 80 3.06 {0.31} 48.0 90 2.72 {0.28} 54.0 100 2.45 {0.25} 60.0 110 2.23 {0.23} 66.0 120 2.04 {0.21} 72.0 125 1.96 {0.20} 75.0 150 1.63 {0.17} 90.0 175 1.40 {0.14} 105.0
40 11.32 {1.15} 26.0 45 10.06 {1.03} 29.3 50 9.05 {0.92} 32.5 55 8.23 {0.84} 35.8 60 7.54 {0.77} 39.0 65 6.96 {0.71} 42.3 70 6.47 {0.66} 45.5 75 6.03 {0.62} 48.8 80 5.66 {0.58} 52.0 90 5.03 {0.51} 58.5 100 4.53 {0.46} 65.0 110 4.11 {0.42} 71.5 120 3.77 {0.38} 78.0 130 3.48 {0.36} 84.5 140 3.23 {0.33} 91.0 150 3.02 {0.31} 97.5 160 2.83 {0.29} 104.0 170 2.66 {0.27} 110.5 180 2.51 {0.26} 117.0 190 2.38 {0.24} 123.5 200 2.26 {0.23} 130.0 225 2.01 {0.21} 146.3 250 1.81 {0.18} 162.5 275 1.65 {0.17} 178.8 300 1.51 {0.15} 195.0 50 12.07 {1.23} 32.5 60 10.06 {1.03} 39.0 70 8.62 {0.88} 45.5 80 7.54 {0.77} 52.0 90 6.71 {0.68} 58.5 100 6.03 {0.62} 65.0 110 5.49 {0.56} 71.5 120 5.03 {0.51} 78.0 130 4.64 {0.47} 84.5 140 4.31{0.44} 91.0 150 4.02 {0.41} 97.5 160 3.77 {0.38} 104.0 170 3.55 {0.36} 110.5 180 3.35 {0.34} 117.0 190 3.18 {0.32} 123.5 200 3.02 {0.31} 130.0 225 2.68 {0.27} 146.3 250 2.41 {0.25} 162.5 275 2.19 {0.22} 178.8 300 2.01 {0.21} 195.0
40 19.20 {1.96} 24.0 45 17.07 {1.74} 27.0 50 15.36 {1.57} 30.0 55 13.97 {1.42} 33.0 60 12.80 {1.31} 36.0 65 11.82 {1.21} 39.0 70 10.97 {1.12} 42.0 75 10.24 {1.04} 45.0 80 9.60 {0.98} 48.0 90 8.54 {0.87} 54.0 100 7.68 {0.78} 60.0 110 6.98 {0.71} 66.0 120 6.40 {0.65} 72.0 130 5.91 {0.60} 78.0 140 5.49 {0.56} 84.0 150 5.12 {0.52} 90.0 160 4.80 {0.49} 96.0 170 4.52 {0.46} 102.0 180 4.27 {0.44} 108.0 190 4.04 {0.41} 114.0 200 3.84 {0.39} 120.0 225 3.41 {0.35} 135.0 250 3.07 {0.31} 150.0 275 2.79 {0.28} 165.0 300 2.56 {0.26} 180.0 50 19.61 {2.00} 30.0 60 16.34 {1.67} 36.0 70 14.01 {1.43} 42.0 80 12.26 {1.25} 48.0 90 10.90 {1.11} 54.0 100 9.81 {1.00} 60.0 110 8.92 {0.91} 66.0 120 8.17 {0.83} 72.0 130 7.54 {0.77} 78.0 140 7.00 {0.71} 84.0 150 6.54 {0.67} 90.0 160 6.13 {0.63} 96.0 170 5.77 {0.59} 102.0 180 5.45 {0.56} 108.0 190 5.16 {0.53} 114.0 200 4.90 {0.50} 120.0 225 4.36 {0.44} 135.0 250 3.92 {0.40} 150.0 275 3.57 {0.36} 165.0 300 3.27 {0.33} 180.0
SWU10.5–15
SWU37–40
25 30 35 40 45 50 55 60 65 70 75 80 90
35 40 45 50 55 60 65 70 75 80 90
30 35 40 45 50 55 60 65 70 75 80 90
20 25 30 35 40 45 50 55 60 65 70 75 80 20 25 30 35 40 45 50 55 60 65 70 75 80 90
45 50 55 60 65 70 75 80 90
45 50 55 60 65 70 75 80 90
68.6 {7.0}
29.4 {3.0}
10.5 6.0
11 7
108.9 {11.1}
20.5 13.5
100 110 120 130 140 150 160 170 180 190 200 225 250 275 300
100 110 120 130 140 150 160 170 180 190 200 225 250 275 300
225.6 {23.0}
21 13.5
294.2 {30.0}
460.9 {47.0}
100 110 120 125 130 140 150
3726
3726
100 110 120 125 130 140 150 175 200
100
SWU12.5–15
SWY12.5–20
25 30 35 40 45 50 55 60 65 70 75 80 90
SWY24.5–30
35 40 45 50 55 60 65 70 75 80 90
78.5 {8.0}
12.5 7.0
SWU26–30
35 40 45 50 55 60 65 70 75 80 90
40.2 {4.1}
12.5 8.5
SWY42–50
SWU43–50
60 70 80 90
60 70 80 90
136.3 {13.9}
100 110 120 125
100
24.5 16.5
100 110 120 130 140 150 160 170 180 190 200 225 250 275 300
100 110 120 130 140 150 160 170 180 190 200 225 250 275 300
SWU14.5–15
100 110 120 125 130 140 150 175 200
20 25 30 35 40 45 50 55 60 65 70 75 80 90
294.2 {30.0}
26 16.5
SWY16.5–20
25 30 35 40 45 50 55 60 65 70 75 80 90
100 110 120 125 130 140 150 175 200 225 250
392.3 {40.0}
588.4 {60.0}
4231
4331
98.1 {10.0}
14.5 8.5
SWY30–35
40 45 50 55 60 65 70 75 80 90
91.2 {9.3}
16.5 10.5
100 110 120 125 150
SWU31–35
e Times used: 1 million (300 thousand times for L × 70%) 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
M Material Oil tempered wire for spring ● Load calculation method: Load = Spring constant × Deflection (International unit) N = N/mm × Fmm kgf = kgf/mm × Fmm (kgf = N × 0.101972) e Times used: 1 million (300 thousand times for L × 65%) e Product guide d P.1139 e Load graph d P.1141 e Instructions and notes for coil springs e For information on the D dimension and the counterbore hole, and also the d dimension and the shaft d P.1142 d P.1142
40 45 50 55 60 65 70 75 80 90
100 110 120 125 150
SWU17–20
100 110 120 125 130 140 150 160 170 175 180 190 200 250 300
25 30 35 40 45 50 55 60 65 70 75 80 90
(NT) – Part Number NT – SWY30–40
Alterations
200.1 {20.4}
30 21
Part Number SWY12.5–40 SWU17–40
Quotation
Order
(NT) – Part Number NT – SWU 31–50
Alterations Code
Spec.
Alterations
100 110 120 125 130 140 150 160 170 175 180 190 200 250 300
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.
Quotation
372.7 {38.0}
Quotation
Delivery
31 21
Alterations Code
Spec.
147.1 {15.0}
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.
17 10.5
NT
NT
No painting
100 110 120 125 150 175
No painting
M Material oil tempered wire for spring ● Load calculation method: Load = Spring constant x Deflection (International unit) N = N/mm × Fmm
kgf = kgf/mm × Fmm (kgf = N × 0.101972)
1161
1162
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