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
Light
Load guide
Heavy
＋ 0.7 ＋ 0.1 d
COIL SPRINGS −HIGH DEFLECTION SWR−
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).
F = L × 50% Part Number Fmm Load N {kgf} Type D–L
F = L × 50% Part Number Fmm Load N {kgf} Type D–L
F = L × 50% Part Number Fmm Load N {kgf} Type D–L
F = L × 50% Part Number Fmm Load N {kgf} Type D–L
Spring constant N/mm {kgf/mm}
Spring constant N/mm {kgf/mm}
Spring constant N/mm {kgf/mm}
Spring constant N/mm {kgf/mm}
D d L
D d L
D d L
D d L
20 19.61 {2.00} 25 15.69 {1.60} 30 13.08 {1.33} 35 11.21 {1.14} 40 9.81 {1.00} 45 8.72 {0.89} 50 7.85 {0.80} 55 7.13 {0.73} 60 6.54 {0.67} 65 6.03 {0.62} 70 5.60 {0.57} 75 5.23 {0.53} 80 4.90 {0.50} 90 4.36 {0.44} 100 3.92 {0.40} 125 3.14 {0.32} 150 2.62 {0.27} 175 2.24 {0.23} 25 23.54 {2.40} 30 19.61 {2.00} 35 16.81 {1.71} 40 14.71 {1.50} 45 13.08 {1.33} 50 11.77 {1.20} 55 10.70 {1.09} 60 9.81 {1.00} 65 9.05 {0.92} 70 8.41 {0.86} 75 7.85 {0.80} 80 7.35 {0.75} 90 6.54 {0.67} 100 5.88 {0.60} 110 5.35 {0.55} 120 4.90 {0.50} 125 4.71 {0.48} 130 4.53 {0.46} 140 4.20 {0.43} 150 3.92 {0.40} 175 3.36 {0.34}
10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0 62.5 75.0 87.5 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0 55.0 60.0 62.5 65.0 70.0 75.0 87.5
SWR17–20
15 10.46 {1.07} 20 7.85 {0.80} 25 6.28 {0.64} 30 5.23 {0.53} 35 4.48 {0.46} 40 3.92 {0.40} 45 3.49 {0.36} 50 3.14 {0.32} 55 2.85 {0.29} 60 2.62 {0.27} 65 2.41 {0.25} 70 2.24 {0.23} 75 2.09 {0.21} 80 1.96 {0.20} 15 11.77 {1.20} 20 8.83 {0.90} 25 7.06 {0.72} 30 5.88 {0.60} 35 5.04 {0.51} 40 4.41 {0.45} 45 3.92 {0.40} 50 3.53 {0.36} 55 3.21 {0.33} 60 2.94 {0.30} 65 2.72 {0.28} 70 2.52 {0.26} 75 2.35 {0.24} 80 2.21 {0.23} 90 1.96 {0.20} 100 1.77 {0.18} 15 17.00 {1.73} 20 12.75 {1.30} 25 10.20 {1.04} 30 8.50 {0.87} 35 7.28 {0.74} 40 6.37 {0.65} 45 5.67 {0.58} 50 5.10 {0.52} 55 4.64 {0.47} 60 4.25 {0.43} 65 3.92 {0.40} 70 3.64 {0.37} 75 3.40 {0.35} 80 3.19 {0.33} 90 2.83 {0.29} 100 2.55 {0.26} 125 2.04 {0.21} 150 1.70 {0.17}
7.5
35 28.02 {2.86} 40 24.52 {2.50} 45 21.79 {2.22} 50 19.61 {2.00} 55 17.83 {1.82} 60 16.34 {1.67} 65 15.09 {1.54} 70 14.01 {1.43} 75 13.08 {1.33} 80 12.26 {1.25} 90 10.90 {1.11} 100 9.81 {1.00} 110 8.92 {0.91} 120 8.17 {0.83} 125 7.85 {0.80} 130 7.54 {0.77} 140 7.00 {0.71} 150 6.54 {0.67} 160 6.13 {0.63} 170 5.77 {0.59} 175 5.60 {0.57} 180 5.45 {0.56} 190 5.16 {0.53}
17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0 55.0 60.0 62.5 65.0 70.0 75.0 80.0 85.0 87.5 90.0 95.0
50 33.34 {3.40} 60 27.79 {2.83} 70 23.82 {2.43} 80 20.84 {2.13} 90 18.52 {1.89} 100 16.67 {1.70} 110 15.16 {1.55} 120 13.89 {1.42} 130 12.82 {1.31} 140 11.91 {1.21} 150 11.11 {1.13} 160 10.42 {1.06} 170 9.81 {1.00} 180 9.26 {0.94} 190 8.77 {0.89}
25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0
SWR31–35
SWR43–50
SWR10.5–15
25 30 35 40 45 50 55 60 65 70 75 80 90
40 45 50 55 60 65 70 75 80 90
60 70 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
10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0
100 110 120 130 140 150 160 170 180 190 200 225 250 275 300
78.5 {8.0}
10.5 6.0
196.1 {20.0}
17 10.5
833.6 {85.0}
43 31
100 110 120 125 130 140 150 160 170 175 180 190 200 250 300
490.3 {50.0}
31 21
100 125 150 175
7.5
SWR12.5–15
200 8.34 {0.85} 100.0 225 7.41 {0.76} 112.5 250 6.67 {0.68} 125.0 275 6.06 {0.62} 137.5 300 5.56 {0.57} 150.0
10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0
SWR21–25
30 35 40 45 50 55 60 65 70 75 80 90
50 43.15 {4.40} 60 35.96 {3.67} 70 30.82 {3.14} 80 26.97 {2.75} 90 23.97 {2.44} 100 21.57 {2.20} 110 19.61 {2.00} 120 17.98 {1.83} 125 17.26 {1.76} 130 16.60 {1.69} 140 15.41 {1.57} 150 14.38 {1.47} 175 12.33 {1.26}
25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 62.5 65.0 70.0 75.0 87.5
SWR46–50
60 70 80 90
88.3 {9.0}
12.5 7.0
200 4.90 {0.50} 100.0 250 3.92 {0.40} 125.0 300 3.27 {0.33} 150.0
100 110 120 125 130 140 150 175 200 225 250 275 300
35 33.62 {3.43} 40 29.42 {3.00} 45 26.15 {2.67} 50 23.54 {2.40} 55 21.40 {2.18} 60 19.61 {2.00} 65 18.10 {1.85} 70 16.81 {1.71} 75 15.69 {1.60} 80 14.71 {1.50} 90 13.08 {1.33} 100 11.77 {1.20} 110 10.70 {1.09} 120 9.81 {1.00} 125 9.41 {0.96} 130 9.05 {0.92} 140 8.41 {0.86} 150 7.85 {0.80} 160 7.35 {0.75} 170 6.92 {0.71} 175 6.72 {0.69} 180 6.54 {0.67} 190 6.19 {0.63}
17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0 55.0 60.0 62.5 65.0 70.0 75.0 80.0 85.0 87.5 90.0 95.0
SWR37–35
40 45 50 55 60 65 70 75 80 90
294.2 {30.0}
1079 {110}
21 13.5
46
100
7.5
SWR14.5–15
100 110 120 125 130 140 150 175 200
20 25 30 35 40 45 50 55 60 65 70 75 80 90
10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0 62.5 75.0
200 10.79 {1.10} 100.0 225 9.59 {0.98} 112.5 250 8.63 {0.88} 125.0 275 7.85 {0.80} 137.5 300 7.19 {0.73} 150.0
100 110 120 125 130 140 150 160 170 175 180 190 200 250 300
588.4 {60.0}
127.5 {13.0}
50 52.96 {5.40} 60 44.13 {4.50} 70 37.83 {3.86} 80 33.10 {3.38} 90 29.42 {3.00} 100 26.48 {2.70} 110 24.07 {2.45} 120 22.06 {2.25} 130 20.37 {2.08} 140 18.91 {1.93} 150 17.65 {1.80} 175 15.13 {1.54}
25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 87.5
SWR50–50
37 26
14.5 8.5
200 2.94 {0.30} 100.0
60 70 80 90
25 31.38 {3.20} 30 26.15 {2.67} 35 22.42 {2.29} 40 19.61 {2.00} 45 17.43 {1.78} 50 15.69 {1.60} 55 14.26 {1.45} 60 13.08 {1.33} 65 12.07 {1.23} 70 11.21 {1.14} 75 10.46 {1.07} 80 9.81 {1.00} 90 8.72 {0.89} 100 7.85 {0.80} 110 7.13 {0.73} 120 6.54 {0.67} 125 6.28 {0.64} 130 6.03 {0.62} 140 5.60 {0.57} 150 5.23 {0.53} 175 4.48 {0.46}
12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 45.0 50.0 55.0 60.0 62.5 65.0 70.0 75.0 87.5
SWR26–25
30 35 40 45 50 55 60 65 70 75 80 90
100 110 120 130 140 150 175 200 225 250 275 300 350 400
100 125 150
1324 {135}
50 36
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 × 55%)
200 5.88 {0.60} 100.0 250 4.71 {0.48} 125.0 300 3.92 {0.40} 150.0
200 13.24 {1.35} 100.0 225 11.77 {1.20} 112.5 250 10.59 {1.08} 125.0 275 9.63 {0.98} 137.5 300 8.83 {0.90} 150.0 350 7.57 {0.77} 175.0 400 6.62 {0.68} 200.0
392.3 {40.0}
26 16.5
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
100 110 120 125 130 140 150 175 200 225 250
(NT) – Part Number NT – SWR31–60
Alterations
Quotation
Alterations Code
Spec.
Part Number SWR37–40
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.
Order
200 3.92 {0.40} 100.0 225 3.49 {0.36} 112.5 250 3.14 {0.32} 125.0
NT
Quotation
Delivery
No painting
1163
1164
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