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Round Coil Springs-Fmax. (Allowable Deflection) = Lx60%-75%/O.D. Referenced

:
MISUMI

    Round Coil Springs, O.D. Referenced, Piano Wire, WY / WR

    Round wire compression springs standardized so that the spring constant is the same for the same outer diameter. Select WY (maximum allowable deflection 75%) or WR (60%) by the required stroke.

    • Material: piano wire (SWP-A). Both ends unground.
    • Solid length is a reference value and may vary slightly by lot. Number of uses: 1,000,000 cycles.

    Part numbers and dimensions

    Ordering example

    Type
    WY13-60

    Spring constant N/mm {kgf/mm}. WY type D12, 14 and WT type D12, 14, 20 are not available.

    Type
    D
    		WYWRWFWLWTWMWHWB
    2   0.5{0.05}    
    30.1
    {0.01}    		0.3{0.03}0.5
    {0.05}    		1.0
    {0.1}    		1.5
    {0.15}    		2.0
    {0.2}    		 3.9{0.4}
    42.9{0.3}4.9{0.5}
    52.0
    {0.2}    		2.9
    {0.3}    		5.9
    {0.6}    		9.8
    {1.0}
    6
    8
    100.2{0.02}
    12
    139.8
    {1.0}    		19.6
    {2.0}
    14
    16
    18 0.5{0.05}1.0
    {0.1}    		2.9
    {0.3}    		3.9
    {0.4}    		4.9
    {0.5}    		14.7
    {1.5}    		29.4{3.0}
    20  
    22 29.4
    {3.0}
    27 
    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%

    WY: Fmax. (allowable deflection) = L×75%

    dSolid length
    (reference)    		F
    max.    		Load
    N {kgf}
    max.    		Type
    Type D-L
    0.161.03.750.38{0.04}WY 3-5
    0.22.07.50.75{0.08}10
    0.233.611.21.12{0.11}15
    0.233.6151.5 {0.15}20
    0.255.518.71.87{0.19}25
    0.266.522.52.25{0.23}30
    0.21.13.750.38{0.04}WY 4-5
    0.231.97.50.7 {0.08}10
    0.231.911.21.1 {0.11}15
    0.252.7151.5 {0.15}20
    0.29518.71.8 {0.19}25
    0.29522.52.2 {0.23}30
    0.327.726.22.6 {0.26}35
    0.327.7302.9 {0.3}40
    0.251.77.50.7 {0.08}WY 5-10
    0.251.711.21.1 {0.11}15
    0.33.2151.5 {0.15}20
    0.33.218.71.8 {0.19}25
    0.356.322.52.2 {0.23}30
    0.356.326.22.6 {0.26}35
    0.389.2302.9 {0.3}40
    0.389.233.73.3 {0.34}45
    0.389.237.53.7 {0.38}50
    0.32.17.50.75{0.08}WY 6-10
    0.322.811.21.1 {0.11}15
    0.322.8151.5 {0.15}20
    0.354.118.71.8 {0.19}25
    0.385.622.52.2 {0.23}30
    0.385.626.22.6 {0.26}35
    0.47.2302.9{0.3}40
    0.47.233.73.3{0.34}45
    0.47.237.53.7{0.38}50
    0.4512.241.24.0{0.41}55
    0.4512.2454.4{0.45}60
    0.4512.248.74.8{0.49}65
    0.4512.252.55.1{0.53}70
    dSolid length
    (reference)    		F
    max.    		Load
    N {kgf}
    max.    		Type
    Type D-L
    0.352.17.50.75{0.08}WY 8-10
    0.38311.21.1 {0.11}15
    0.43.5151.5 {0.15}20
    0.43.518.71.8 {0.19}25
    0.455.722.52.2 {0.23}30
    0.455.726.22.6 {0.26}35
    0.455.7302.9 {0.3}40
    0.455.733.73.3 {0.34}45
    0.5937.53.7 {0.38}50
    0.5941.24.0 {0.41}55
    0.59454.4 {0.45}60
    0.5948.74.8 {0.49}65
    0.5952.55.1 {0.53}70
    0.5311.22.26{0.23}WY10-15
    0.554.6152.9 {0.3}20
    0.554.618.73.7 {0.37}25
    0.66.622.54.4 {0.45}30
    0.66.626.25.1 {0.52}35
    0.659.1305.9 {0.6}40
    0.659.133.76.6 {0.67}45
    0.659.137.57.4 {0.75}50
    0.712.641.28.1 {0.82}55
    0.712.6458.8 {0.9}60
    0.712.648.79.6 {0.97}65
    0.712.652.510.3 {1.05}70
    dSolid length
    (reference)    		F
    max.    		Load
    N {kgf}
    max.    		Type
    Type D-L
    0.63.9152.9{0.3}WY13-20
    0.655.118.73.7{0.37}25
    0.655.122.54.4{0.45}30
    0.76.726.25.1{0.52}35
    0.758.7305.9{0.6}40
    0.758.733.76.6{0.67}45
    0.811.637.57.4{0.75}50
    0.811.641.28.1{0.82}55
    0.811.6458.8{0.9}60
    0.8515.348.79.6{0.97}65
    0.8515.352.510.3{1.05}70
    0.653.6152.9{0.3}WY16-20
    0.74.618.73.7{0.37}25
    0.755.722.54.4{0.45}30
    0.8726.25.1{0.52}35
    0.859305.9{0.6}40
    0.85933.76.6{0.67}45
    0.911.337.57.4{0.75}50
    0.911.341.28.1{0.82}55
    0.911.3458.8{0.9}60
    0.911.348.79.6{0.97}65
    0.911.352.510.3{1.05}70
    • Load calculation: load = spring constant × deflection

    (SI units) N = N/mm × F mm; kgf = kgf/mm × F mm

    (kgf=N×0.101972)

    All WY types have unground end faces.

    Service life: 1 million cycles

    WR: Fmax. (allowable deflection) = L×60%

    dSolid length
    (reference)    		F
    max.    		Load
    N {kgf}
    max.    		Type
    Type D-L
    0.231.830.9{0.09}WR 3-5
    0.252.361.8{0.18}10
    0.34.892.6{0.27}15
    0.34.8123.5{0.36}20
    0.326.8154.4{0.45}25
    0.326.8185.3{0.54}30
    0.3511.5216.2{0.63}35
    0.3511.5247.1{0.72}40
    0.261.630.9{0.09}WR 4-5
    0.292.261.8{0.18}10
    0.323.292.6{0.27}15
    0.386.5123.5{0.36}20
    0.386.5154.4{0.45}25
    0.48.4185.3{0.54}30
    0.48.4216.2{0.63}35
    0.4515247.1{0.72}40
    0.4515277.9{0.81}45
    0.4515308.8{0.9 }50
    0.4515339.7{0.99}55
    0.523.53610.6{1.08}60
    0.5253911.5{1.17}65
    0.5254212.4{1.26}70
    0.31.630.9{0.09}WR 5-5
    0.352.861.8{0.18}10
    0.352.892.6{0.27}15
    0.44.8123.5{0.36}20
    0.458154.4{0.45}25
    0.458185.3{0.54}30
    0.512.5216.2{0.63}35
    0.512.5247.1{0.72}40
    0.5517.6277.9{0.81}45
    0.5518308.8{0.9}50
    0.5520339.7{0.99}55
    0.55203610.6{1.08}60
    0.5520.93911.5{1.2}65
    0.5520.94212.4{1.3}70
    0.321.630.9{0.09}WR 6-5
    0.43.261.8{0.18}10
    0.43.292.6{0.27}15
    0.57.5123.5{0.36}20
    0.57.5154.4{0.45}25
    0.57.5185.3{0.54}30
    0.5511.5216.2{0.63}35
    0.5511.5247.1{0.72}40
    0.617.4277.9{0.81}45
    0.617.4308.8{0.9}50
    0.617.4339.7{0.99}55
    0.617.43610.6{1.08}60
    0.617.43911.5{1.17}65
    0.617.44212.4{1.26}70
    0.6527.34814.1{1.4 }80
    0.452.761.8{0.18}WR 8-10
    0.5492.6{0.27}15
    0.54123.5{0.36}20
    0.555.8154.4{0.45}25
    0.68.4185.3{0.54}30
    0.68.4216.2{0.63}35
    0.68.4247.1{0.72}40
    0.716277.9{0.81}45
    0.716308.8{0.9}50
    0.716339.7{0.99}55
    0.7163610.6{1.08}60
    0.7163911.5{1.17}65
    0.7164212.4{1.26}70
    0.7522.94814.1{1.4}80
    dSolid length
    (reference)    		F
    max.    		Load
    N {kgf}
    max.    		Type
    Type D-L
    0.553.661.8{0.18}WR10-10
    0.64.892.6{0.27}15
    0.656.5123.5{0.36}20
    0.656.5154.4{0.45}25
    0.78.8185.3{0.54}30
    0.78.8216.2{0.63}35
    0.78.8247.1{0.72}40
    0.816277.9{0.81}45
    0.816308.8{0.9}50
    0.816339.7{0.99}55
    0.85213610.6{1.08}60
    0.85213911.5{1.17}65
    0.85214212.4{1.26}70
    0.928.84814.1{1.4}80
    0.63.661.8{0.18}WR12-10
    0.654.692.6{0.27}15
    0.654.6123.5{0.36}20
    0.76154.4{0.45}25
    0.76185.3{0.54}30
    0.76216.2{0.63}35
    0.810.4247.1{0.72}40
    0.810.4277.9{0.81}45
    0.917.1308.8{0.9}50
    0.917.1339.7{0.99}55
    0.917.13610.6{1.08}60
    0.917.13911.5{1.17}65
    0.917.14212.4{1.26}70
    1.0284814.1{1.4}80
    0.63.261.8{0.18}WR13-10
    0.74.992.6{0.27}15
    0.74.9123.5{0.36}20
    0.88.4154.4{0.45}25
    0.88.4185.3{0.54}30
    0.88.4216.2{0.63}35
    0.913.5247.1{0.72}40
    0.913.5277.9{0.81}45
    0.913.5308.8{0.9}50
    0.913.5339.7{0.99}55
    1.0223610.6{1.08}60
    1.0223911.5{1.17}65
    1.0224212.4{1.26}70
    1.0224814.1{1.4}80
    1.0225415.9{1.62}90
    0.74.692.6{0.27}WR14-15
    0.755.6123.5{0.36}20
    0.87.2154.4{0.45}25
    0.87.2185.3{0.54}30
    0.87.2216.2{0.63}35
    0.911.3247.1{0.72}40
    0.911.3277.9{0.81}45
    0.911.3308.8{0.9}50
    1.018339.7{0.99}55
    1.0183610.6{1.08}60
    1.0183911.5{1.17}65
    1.0184212.4{1.26}70
    1.128.64814.1{1.4}80
    1.128.65415.9{1.62}90
    dSolid length
    (reference)    		F
    max.    		Load
    N {kgf}
    max.    		Type
    Type D-L
    0.754.592.6{0.27}WR16-15
    0.85.6123.5{0.36}20
    0.98154.4{0.45}25
    0.98185.3{0.54}30
    0.98216.2{0.63}35
    1.013247.1{0.72}40
    1.013277.9{0.81}45
    1.013308.8{0.9}50
    1.013339.7{0.99}55
    1.1203610.6{1.08}60
    1.1203911.5{1.17}65
    1.1204212.4{1.26}70
    1.1204814.1{1.4}80
    1.228.85415.9{1.62}90
    1.07125.8{0.6}WR18-20
    1.07157.4{0.75}25
    1.19.9188.8{0.9}30
    1.19.92110.3{1.05}35
    1.214.42411.8{1.2}40
    1.214.42713.2{1.35}45
    1.214.43014.7{1.5}50
    1.319.53316.2{1.65}55
    1.319.53617.7{1.8}60
    1.319.53919.1{1.95}65
    1.319.54220.6{2.1}70
    1.427.34823.5{2.4}80
    1.06125.8{0.6}WR20-20
    1.18.3157.4{0.75}25
    1.18.3188.8{0.9}30
    1.210.82110.3{1.05}35
    1.210.82411.8{1.2}40
    1.210.82713.2{1.35}45
    1.3153014.7{1.5}50
    1.3153316.2{1.65}55
    1.3153617.7{1.8}60
    1.3153919.1{1.95}65
    1.4214220.6{2.1}70
    1.4214823.5{2.4}80
    1.16.9125.9{0.6}WR22-20
    1.29157.4{0.75}25
    1.29188.8{0.9}30
    1.312.42110.3{1.05}35
    1.312.42411.8{1.2}40
    1.312.42713.2{1.35}45
    1.416.13014.7{1.5}50
    1.416.13316.2{1.65}55
    1.416.13617.7{1.8}60
    1.522.53919.1{1.95}65
    1.522.54220.6{2.1}70
    1.522.54823.5{2.4}80
    1.38.5188.8{0.9}WR27-30
    1.410.52110.3{1.05}35
    1.410.52411.8{1.2}40
    1.410.52713.2{1.35}45
    1.617.63014.7{1.5}50
    1.617.63316.2{1.65}55
    1.617.63617.7{1.8}60
    1.722.13919.1{1.95}65
    1.722.14220.6{2.1}70
    1.722.14823.5{2.4}80
    • Load calculation: load = spring constant × deflection

    All WR types have unground end faces.

    Solid length is a reference value. Values vary slightly between lots.

    Round Coil Springs-Fmax. (Allowable Deflection) = Lx60%-75%/O.D. Referenced | MISUMI | MISUMI Vietnam