Spring constant

±10％ ■Spring constant

WR Outer dia. D φ10 or less−0.50
mm D Type WY WR WF WL WT WM WH WB
WF D 0
φ12 or more−0.8mm 2 0.5
｛0.05｝

ROUND WIRE COIL SPRINGS d Free length L 50 or less ±1.5mm

55 or more ±2.5mm
3
4
5
N/mm
0.1
1.5
｛0.15｝
2.0
｛0.2｝ 2.9
｛0.3｝
3.9
｛0.4｝
4.9
｛0.5｝

（60% DEFLECTION）
・WF
（45% DEFLECTION）
｛kgf/mm｝
－WR － 6 ｛0.01｝ N/mm N/mm N/mm
N/mm
5.9
N/mm
9.8

F
8 0.3 0.5 1.0 N/mm N/mm ｛kgf/mm｝ ｛kgf/mm｝
10 ｛kgf/mm｝ ｛kgf/mm｝ ｛kgf/mm｝ 2.0 2.9 ｛0.6｝ ｛1.0｝
12 N/mm ｛0.03｝ ｛0.05｝ ｛0.1｝ ｛kgf/mm｝ ｛kgf/mm｝
0.2 ｛0.2｝ ｛0.3｝
13 N/mm N/mm
■Volume discount price  P.37
Catalog No.
7 ｛kgf/mm｝

L
9.8 19.6
Days Price 14 ｛0.02｝ ｛kgf/mm｝ ｛kgf/mm｝
Order Dispatch Quantity  1 〜 19 20 〜 99 100 〜 500 16 ｛1.0｝ ｛2.0｝
WR13－60 Base unit price Volume discount 18 29.4
｛3.0｝
Applicable N/mm N/mm N/mm N/mm N/mm N/mm
price Price list 5％ 10％ 20 0.5 1.0 2.9 3.9 4.9 14.7
22 ｛kgf/mm｝ ｛kgf/mm｝ ｛kgf/mm｝ ｛kgf/mm｝ ｛kgf/mm｝ ｛kgf/mm｝ N/mm

 For larger orders, ask about prices/delivery.

29.4

27 ｛0.05｝ ｛0.1｝ ｛0.3｝ ｛0.4｝ ｛0.5｝ ｛1.5｝ ｛kgf/mm｝

～ SWP－A
｛3.0｝

Fmax. F＝L×75％ F＝L×60％ F＝L×45％ F＝L×40％ F＝L×40％ F＝L×35％ F＝L×30％ F＝L×25％

■WR：Fmax.（maximum allowable deflection）＝L×60% ■WF：Fmax.（maximum allowable deflection）＝L×45%

Solid F Load Catalog No. Base unit Solid F Load Catalog No. Base unit Solid F Load Catalog No. Base unit Load Catalog No. Base unit Solid F Load Catalog No. Base unit Solid F Load Catalog No. Base unit
d height F
d height N
｛kgf｝ d height N
｛kgf｝ d height N
｛kgf｝ Solid N
｛kgf｝ d height N
｛kgf｝ d height N
｛kgf｝
max. max. Type D－L price max. max. Type D－L price max. max. Type D－L price max. max. Type D－L price max. max. Type D－L price max. max. Type D－L price
0.23 1.8 3 0.9｛0.09｝ WR3－  5 0.55 3.6 6 1.8｛0.18｝ WR10－10 0.75 4.5 9 2.6｛0.27｝ WR16－15 0.26 2 2.25 1.1｛0.11｝ WF3－ 5＊ 0.65 5 4.5 2.2｛0.22｝ WF10－10 0.9 6.3 6.7 3.2｛0.33｝ WF16－15
0.25 2.3 6 1.8｛0.18｝ 10 0.6 4.8 9 2.6｛0.27｝ 15 0.8 5.6 12 3.5｛0.36｝ 20 0.32 5 4.5 2.2｛0.22｝ 10＊ 0.65 5 6.7 3.2｛0.33｝ 15 1.0 8.7 9 4.4｛0.45｝ 20
50 50
0.3 4.8 9 2.6｛0.27｝ 15 0.65 6.5 12 3.5｛0.36｝ 20 0.9 8 15 4.4｛0.45｝ 25 0.32 5 6.7 3.2｛0.33｝ 15＊ 0.8 10.4 9 4.4｛0.45｝ 20 1.0 8.7 11.2 5.5｛0.56｝ 25
0.3 4.8 12 3.5｛0.36｝ 20 0.65 6.5 15 4.4｛0.45｝ 25 0.9 8 18 5.3｛0.54｝ 30 0.35 7 9 4.4｛0.45｝ 20＊ 0.8 10.4 11.2 5.5｛0.56｝ 25 1.1 12.8 13.5 6.6｛0.67｝ 30
101 101
0.32 6.8 15 4.4｛0.45｝ 25 0.7 8.8 18 5.3｛0.54｝ 30 76 0.9 8 21 6.2｛0.63｝ 35 0.35 7 11.2 5.5｛0.56｝ 25＊ 0.85 14 13.5 6.6｛0.67｝ 30 76 1.1 12.8 15.7 7.6｛0.78｝ 35
0.32 6.8 18 5.3｛0.54｝ 30 0.7 8.8 21 6.2｛0.63｝ 35 1.0 13 24 7.1｛0.72｝ 40 0.4 13.2 13.5 6.6｛0.67｝ 30 0.85 14 15.7 7.6｛0.78｝ 35 1.2 18.6 18 8.8｛0.9 ｝ 40
55 55
0.35 11.5 21 6.2｛0.63｝ 35 0.7 8.8 24 7.1｛0.72｝ 40 1.0 13 27 7.9｛0.81｝ 45 0.4 13.2 15.7 7.6｛0.78｝ 35 0.9 17.5 18 8.8｛0.9 ｝ 40 1.2 18.6 20 9.8｛1.0 ｝ 45
0.35 11.5 24 7.1｛0.72｝ 0.8 16 27 7.9｛0.81｝ 45 1.0 13 30 8.8｛0.9 ｝ 50 0.4 13.2 18 8.8｛0.9 ｝ 40 0.9 17.5 20 9.8｛1.0 ｝ 45 1.2 18.6 22.5 10.8｛1.1 ｝ 50
40
0.8 16 30 8.8｛0.9 ｝ 50 1.0 13 33 9.7｛0.99｝ 55 0.32 2.3 2.25 1.1｛0.11｝ WF4－ 5＊ 0.9 17.5 22.5 10.8｛1.1 ｝ 50 1.2 18.6 24.7 12.1｛1.23｝ 55
0.26 1.6 3 0.9｛0.09｝ WR4－  5
0.35 3.1 4.5 2.2｛0.22｝ 10＊ 0.9 17.5 24.7 12.1｛1.23｝ 55 1.3 26.8 27 12.7｛1.3 ｝ 60
0.29 2.2 6 1.8｛0.18｝ 10 0.8 16 33 9.7｛0.99｝ 55 1.1 20 36 10.6｛1.08｝ 60 55
55 0.4 5.6 6.7 3.2｛0.33｝ 15＊ 1.0 31 27 12.7｛1.3 ｝ 60 1.3 26.8 29.2 14.3｛1.46｝ 65
0.32 3.2 9 2.6｛0.27｝ 15 0.85 21 36 10.6｛1.08｝ 60 1.1 20 39 11.5｛1.17｝ 65 109
109 0.4 5.6 9 4.4｛0.45｝ 20＊ 1.0 31 29.2 14.3｛1.46｝ 65 80 1.3 26.8 31.5 14.7｛1.5 ｝ 70
0.38 6.5 12 3.5｛0.36｝ 20 0.85 21 39 11.5｛1.17｝ 65 80 1.1 20 42 12.4｛1.26｝ 70 0.45 9.9 11.2 5.5｛0.56｝ 25＊ 1.0 31 31.5 14.7｛1.5 ｝ 70 1.4 36 36 17.7｛1.8 ｝ 80
0.38 6.5 15 4.4｛0.45｝ 25 0.85 21 42 12.4｛1.26｝ 70 1.1 20 48 14.1｛1.4 ｝ 80 0.45 9.9 13.5 6.6｛0.67｝ 30＊ 1.0 31 36 17.7｛1.8 ｝ 80 1.4 36.4 40.5 19.9｛2.0 ｝ 90
0.4 8.4 18 5.3｛0.54｝ 30 0.9 28.8 48 14.1｛1.4 ｝ 80 1.2 28.8 54 15.9｛1.62｝ 90 0.5 16.5 15.7 7.6｛0.78｝ 35 0.7 4.6 4.5 2.3｛0.23｝ WF12－10 1.2 9 9 8.8｛0.9 ｝ WF18－20
0.4 8.4 21 6.2｛0.63｝ 35 0.6 3.6 6 1.8｛0.18｝ WR12－10 1.0 7 12 5.8｛0.6 ｝ WR18－20 0.5 16.5 18 8.8｛0.9 ｝ 40 0.7 4.6 6.7 3.2｛0.33｝ 15 1.3 12.4 11.2 10.8｛1.1 ｝ 25
0.45 15 24 7.1｛0.72｝ 40 0.65 4.6 9 2.6｛0.27｝ 15 1.0 7 15 7.4｛0.75｝ 25 0.5 16.5 20 9.8｛1.0 ｝ 45 0.8 7.2 9 4.4｛0.45｝ 20 1.3 12.4 13.5 12.7｛1.3 ｝ 30
59
0.45 15 27 7.9｛0.81｝ 45 0.65 4.6 12 3.5｛0.36｝ 20 1.1 9.9 18 8.8｛0.9 ｝ 30 0.5 16.5 22.5 10.8｛1.1 ｝ 50 0.8 7.2 11.2 5.5｛0.56｝ 25 1.4 16.1 15.7 14.7｛1.5 ｝ 35 118
59 0.5 16.5 24.7 12.1｛1.23｝ 55 0.9 11.3 13.5 6.6｛0.67｝ 30 78 1.5 21 18 17.7｛1.8 ｝ 40
0.45 15 30 8.8｛0.9 ｝ 50 0.7 6 15 4.4｛0.45｝ 25 1.1 9.9 21 10.3｛1.05｝ 35 118
0.45 15 33 9.7｛0.99｝ 55 0.7 6 18 5.3｛0.54｝ 30 78 1.2 14.4 24 11.8｛1.2 ｝ 40 0.5 16.5 27 12.7｛1.3 ｝ 60 0.9 11.3 15.7 7.6｛0.78｝ 35 1.5 21 20 19.9｛2.03｝ 45
0.5 23.5 36 10.6｛1.08｝ 60 0.7 6 21 6.2｛0.63｝ 35 1.2 14.4 27 13.2｛1.35｝ 45 0.55 26.4 29.2 14.3｛1.46｝ 65＊ 0.9 11.3 18 8.8｛0.9 ｝ 40 1.5 21 22.5 22.1｛2.25｝ 50
0.5 25 39 11.5｛1.17｝ 65 0.8 10.4 24 7.1｛0.72｝ 40 1.2 14.4 30 14.7｛1.5 ｝ 50 0.55 26.4 31.5 15.4｛1.58｝ 70＊ 0.9 11.3 20 9.8｛1.0 ｝ 45 1.6 28.8 24.7 24.3｛2.48｝ 55
0.5 25 42 12.4｛1.26｝ 0.8 10.4 27 7.9｛0.81｝ 45 1.3 19.5 33 16.2｛1.65｝ 55 0.35 2 2.25 1.1｛0.11｝ WF5－ 5＊ 1.0 18 22.5 10.8｛1.1 ｝ 50 1.6 28.8 27 26.5｛2.7 ｝ 60
70
0.9 17.1 30 8.8｛0.9 ｝ 50 1.3 19.5 36 17.7｛1.8 ｝ 60 0.38 2.8 4.5 2.2｛0.22｝ 10＊ 1.0 18 24.7 12.1｛1.23｝ 55 1.6 28.8 29.2 28.7｛2.93｝ 65 126
0.3 1.6 3 0.9｛0.09｝ WR5－  5 57
0.4 3.4 6.7 3.2｛0.33｝ 15＊ 1.0 18 27 12.7｛1.3 ｝ 60 1.7 37.4 31.5 30.9｛3.15｝ 70
0.35 1.6 6 1.8｛0.18｝ 10 0.9 17.1 33 9.7｛0.99｝ 55 1.3 19.5 39 19.1｛1.95｝ 65 126
57 0.45 5.4 9 4.4｛0.45｝ 20＊ 1.0 18 29.2 14.3｛1.46｝ 65 82 1.7 37.4 36 35.3｛3.6 ｝ 80
0.35 2.8 9 2.6｛0.27｝ 15 0.9 17.1 36 10.6｛1.08｝ 60 1.3 19.5 42 20.6｛2.1 ｝ 70 0.5 8.5 11.2 5.5｛0.56｝ 25＊ 1.1 28.1 31.5 14.7｛1.5 ｝ 70 1.2 7.2 9 8.8｛0.9 ｝ WF20－20
0.4 4.8 12 3.5｛0.36｝ 20 0.9 17.1 39 11.5｛1.17｝ 65 82 1.4 27.3 48 23.5｛2.4 ｝ 80 0.55 13.2 13.5 6.6｛0.67｝ 30 1.1 27.5 36 17.7｛1.8 ｝ 80 1.3 9.8 11.2 10.8｛1.1 ｝ 25
0.45 8 15 4.4｛0.45｝ 25 0.9 17.1 42 12.4｛1.26｝ 70 1.0 6 12 5.8｛0.6 ｝ WR20－20 0.55 13.2 15.7 7.6｛0.78｝ 35 0.75 4.9 4.5 2.3｛0.23｝ WF13－10 1.4 12.6 13.5 12.7｛1.3 ｝ 30
0.45 8 18 5.3｛0.54｝ 30 1.0 28 48 14.1｛1.4 ｝ 80 1.1 8.3 15 7.4｛0.75｝ 25 61
0.55 20.4 18 8.8｛0.9 ｝ 40 0.8 6 6.7 3.2｛0.33｝ 15 1.4 12.6 15.7 14.7｛1.5 ｝ 35 122
0.5 12.5 21 6.2｛0.63｝ 35 0.6 3.2 6 1.8｛0.18｝ WR13－10 1.1 8.3 18 8.8｛0.9 ｝ 30 0.6 20.4 20 9.8｛1.0 ｝ 45 0.8 6 9 4.4｛0.45｝ 20 1.5 16.5 18 17.7｛1.8 ｝ 40
61 0.7 4.9 9 2.6｛0.27｝ 15 1.2 10.8 21 10.3｛1.05｝ 35
0.5 12.5 24 7.1｛0.72｝ 40 122 0.6 20.4 22.5 10.8｛1.1 ｝ 50 0.85 7.2 11.2 5.5｛0.56｝ 25 1.5 16.5 20 19.9｛2.03｝ 45
0.55 17.6 27 7.9｛0.81｝ 45 0.7 4.9 12 3.5｛0.36｝ 20 1.2 10.8 24 11.8｛1.2 ｝ 40 0.6 20.4 24.7 12.1｛1.23｝ 55 1.0 15 13.5 6.6｛0.67｝ 30 80 1.6 21.6 22.5 22.1｛2.25｝ 50
0.55 18 30 8.8｛0.9 ｝ 50 0.8 8.4 15 4.4｛0.45｝ 25 1.2 10.8 27 13.2｛1.35｝ 45 0.6 20.4 27 12.7｛1.3 ｝ 60 1.0 15 15.7 7.6｛0.78｝ 35 1.6 21.6 24.7 24.3｛2.48｝ 55
63
0.55 20 33 9.7｛0.99｝ 55 0.8 8.4 18 5.3｛0.54｝ 30 80 1.3 15 30 14.7｛1.5 ｝ 50 0.6 20.4 29.2 14.3｛1.5 ｝ 65 1.0 15 18 8.8｛0.9 ｝ 40 1.6 21.6 27 26.5｛2.7 ｝ 60
0.55 20 36 10.6｛1.08｝ 60 0.8 8.4 21 6.2｛0.63｝ 35 1.3 15 33 16.2｛1.65｝ 55 0.6 20.4 31.5 15.4｛1.6 ｝ 70 1.0 15 20 9.8｛1.0 ｝ 45 1.7 28.1 29.2 28.7｛2.93｝ 65 130
63 0.4 2.3 2.25 1.1｛0.11｝ WF6－ 5＊ 1.0 15 22.5 10.8｛1.1 ｝ 50 1.7 28.1 31.5 30.9｛3.15｝ 70
0.55 20.9 39 11.5｛1.2 ｝ 65 0.9 13.5 24 7.1｛0.72｝ 40 1.3 15 36 17.7｛1.8 ｝ 60
0.9 13.5 27 7.9｛0.81｝ 45 1.3 15 39 19.1｛1.95｝ 65 130 0.5 5 4.5 2.2｛0.22｝ 10 1.1 22 24.7 12.1｛1.23｝ 55 1.7 28.1 36 35.3｛3.6 ｝ 80
0.55 20.9 42 12.4｛1.3 ｝ 70 59
0.9 13.5 30 8.8｛0.9 ｝ 50 1.4 21 42 20.6｛2.1 ｝ 70 0.55 8 6.7 3.2｛0.33｝ 15 1.1 22 27 12.7｛1.3 ｝ 60 1.3 7.8 9 8.8｛0.9 ｝ WF22－20
0.32 1.6 3 0.9｛0.09｝ WR6－  5
0.55 8 9 4.4｛0.45｝ 20 1.1 22 29.2 14.3｛1.46｝ 65 1.4 10.5 11.2 11.0｛1.12｝ 25
0.4 3.2 6 1.8｛0.18｝ 10 0.9 13.5 33 9.7｛0.99｝ 55 1.4 21 48 23.5｛2.4 ｝ 80 84
59 0.6 12 11.2 5.5｛0.56｝ 25 1.1 22 31.5 14.7｛1.5 ｝ 70 1.4 10.5 13.5 13.2｛1.35｝ 30
0.4 3.2 9 2.6｛0.27｝ 15 1.0 22 36 10.6｛1.08｝ 60 1.1 6.9 12 5.9｛0.6 ｝ WR22－20 1.1 22 36 17.7｛1.8 ｝ 80 1.5 13.5 15.7 15.4｛1.57｝ 35 126
0.65 16 13.5 6.6｛0.67｝ 30
0.5 7.5 12 3.5｛0.36｝ 20 1.0 22 39 11.5｛1.17｝ 65 1.2 9 15 7.4｛0.75｝ 25 0.65 17 15.7 7.6｛0.78｝ 35 1.2 33.6 40.5 19.9｛2.0 ｝ 90 1.5 13.5 18 17.7｛1.8 ｝ 40
84 63
0.5 7.5 15 4.4｛0.45｝ 25 1.0 22 42 12.4｛1.26｝ 70 1.2 9 18 8.8｛0.9 ｝ 30 0.65 17 18 8.8｛0.9 ｝ 40 0.8 5.2 6.7 3.2｛0.33｝ WF14－15 1.7 22.1 20.2 19.8｛2.02｝ 45
0.5 7.5 18 5.3｛0.54｝ 30 1.0 22 48 14.1｛1.4 ｝ 80 1.3 12.4 21 10.3｛1.05｝ 35 126 0.65 17 20 9.8｛1.0 ｝ 45 0.9 7.9 9 4.4｛0.45｝ 20 1.7 22.1 22.5 22.1｛2.25｝ 50
0.55 11.5 21 6.2｛0.63｝ 35 1.0 22 54 15.9｛1.62｝ 90 1.3 12.4 24 11.8｛1.2 ｝ 40 0.7 25.2 22.5 10.8｛1.1 ｝ 50 0.9 7.9 11.2 5.5｛0.56｝ 25 1.7 22.1 24.7 24.2｛2.47｝ 55
63
0.55 11.5 24 7.1｛0.72｝ 40 0.7 4.6 9 2.6｛0.27｝ WR14－15 1.3 12.4 27 13.2｛1.35｝ 45 0.7 25.2 24.7 12.1｛1.23｝ 55 1.0 12 13.5 6.6｛0.67｝ 30 1.8 28.8 27 26.5｛2.7 ｝ 60
92
0.6 17.4 27 7.9｛0.81｝ 45 0.75 5.6 12 3.5｛0.36｝ 20 1.4 16.1 30 14.7｛1.5 ｝ 50 0.7 25.2 27 12.7｛1.3 ｝ 60 1.0 12 15.7 7.6｛0.78｝ 35 1.8 28.8 29.2 28.6｛2.92｝ 65 134
0.6 17.4 30 8.8｛0.9 ｝ 50 0.8 7.2 15 4.4｛0.45｝ 25 1.4 16.1 33 16.2｛1.65｝ 55 0.7 25.2 29.2 14.3｛1.46｝ 65 67 1.0 12 18 8.8｛0.9 ｝ 40 1.8 28.8 31.5 30.9｛3.15｝ 70
0.6 17.4 33 9.7｛0.99｝ 55 0.8 7.2 18 5.3｛0.54｝ 30 1.4 16.1 36 17.7｛1.8 ｝ 60 0.7 25.2 31.5 14.7｛1.5 ｝ 70 1.0 12 20 9.8｛1.0 ｝ 45 1.8 28.8 36 35.3｛3.6 ｝ 80
92 0.7 25.2 36 17.7｛1.8 ｝ 80 1.1 18.2 22.5 10.8｛1.1 ｝ 50 1.7 14.1 13.5 13.2｛1.35｝ WF27－30
0.6 17.4 36 10.6｛1.08｝ 60 0.8 7.2 21 6.2｛0.63｝ 35 1.5 22.5 39 19.1｛1.95｝ 65 134
0.6 17.4 39 11.5｛1.17｝ 65 67 0.9 11.3 24 7.1｛0.72｝ 40 1.5 22.5 42 20.6｛2.1 ｝ 70 0.6 5 4.5 2.2｛0.22｝ WF8－ 10 1.1 18.2 24.7 12.1｛1.23｝ 55 1.7 14.1 15.7 15.4｛1.57｝ 35
0.9 11.3 27 7.9｛0.81｝ 45 1.5 22.5 48 23.5｛2.4 ｝ 80 0.65 7.5 6.7 3.2｛0.33｝ 15 67 1.1 18.2 27 12.7｛1.3 ｝ 60 1.7 14.1 18 17.7｛1.8 ｝ 40 143
0.6 17.4 42 12.4｛1.26｝ 70
0.9 11.3 30 8.8｛0.9 ｝ 50 1.3 8.5 18 8.8｛0.9 ｝ WR27－30 0.7 10.8 9 4.4｛0.45｝ 20 1.2 27.6 29.2 14.3｛1.46｝ 65 1.9 21.4 20.2 19.8｛2.02｝ 45
0.65 27.3 48 14.1｛1.4 ｝ 80 101
0.7 10.8 11.2 5.5｛0.56｝ 25 1.2 27.6 31.5 14.7｛1.5 ｝ 70 1.9 21.4 22.5 22.1｛2.25｝ 50
0.45 2.7 6 1.8｛0.18｝ WR8－10 1.0 18 33 9.7｛0.99｝ 55 1.4 10.5 21 10.3｛1.05｝ 35
0.75 14.5 13.5 6.6｛0.67｝ 30 1.2 27.6 36 17.7｛1.8 ｝ 80 2.0 26 24.7 24.2｛2.47｝ 55
0.5 4 9 2.6｛0.27｝ 15 67 1.0 18 36 10.6｛1.08｝ 60 1.4 10.5 24 11.8｛1.2 ｝ 40 143 0.75 14.5 15.7 7.6｛0.78｝ 35 2.0 26 27 26.5｛2.7 ｝ 60
1.3 39.7 40.5 19.9｛2.0 ｝ 90
0.5 4 12 3.5｛0.36｝ 20 1.0 18 39 11.5｛1.17｝ 65 1.4 10.5 27 13.2｛1.35｝ 45 71
101 0.8 20 18 8.8｛0.9 ｝ 40 2.0 26 29.2 28.6｛2.92｝ 65 151
0.55 5.8 15 4.4｛0.45｝ 25 1.0 18 42 12.4｛1.26｝ 70 1.6 17.6 30 14.7｛1.5 ｝ 50 0.8 20 20 9.8｛1.0 ｝ 45 ●Load calculation method: Load＝Spring constant×Deflection 2.0 26 31.5 30.9｛3.15｝ 70
0.6 8.4 18 5.3｛0.54｝ 30 1.1 28.6 48 14.1｛1.4 ｝ 80 1.6 17.6 33 16.2｛1.65｝ 55 0.8 20 22.5 10.8｛1.1 ｝ 50 （SI units）N＝N/mm×Fmm 2.0 26 36 35.3｛3.6 ｝ 80
0.6 8.4 21 6.2｛0.63｝ 35 1.1 28.6 54 15.9｛1.62｝ 90 1.6 17.6 36 17.7｛1.8 ｝ 60 0.8 20 24.7 12.1｛1.23｝ 55 kgf＝kgf/mm×Fmm
71 1.7 22.1 39 19.1｛1.95｝ 65 151 （kgf＝N×0.101972）
0.6 8.4 24 7.1｛0.72｝ 40 0.85 27.6 27 12.7｛1.3 ｝ 60
●Load calculation method: Load＝Spring constant×Deflection  No grinding on either end of WF types marked with＊.
0.7 16 27 7.9｛0.81｝ 45 1.7 22.1 42 20.6｛2.1 ｝ 70 0.85 27.6 29.2 14.3｛1.46｝ 65 76
（SI units）N＝N/mm×Fmm  The solid height values are for reference only.
0.7 16 30 8.8｛0.9 ｝ 50 kgf＝kgf/mm×Fmm 1.7 22.1 48 23.5｛2.4 ｝ 80 0.85 27.6 31.5 14.7｛1.5 ｝ 70
There may be some variation between lots.
0.7 16 33 9.7｛0.99｝ 55 （kgf＝N×0.101972） 0.85 28.1 36 17.7｛1.8 ｝ 80
 Operation count: 1 million
0.7 16 36 10.6｛1.08｝ 60  Neither end is ground for all WR type springs.
0.7 16 39 11.5｛1.17｝ 65 76  The solid height values are for reference only. There may be some variation between lots.
 Product guide  P.1055

0.7 16 42 12.4｛1.26｝ 70  Operation count: 1 million

 Instructions and precautions for the use of coil springs  P.1057
1059 1060
0.75 22.9 48 14.1｛1.4 ｝ 80  Product guide  P.1055  Instructions and precautions for the use of coil springs  P.1057 For inquiry, ordering and
Press 2010 For inquiry ... sales@misumi.co.in other information, refer to P.1269