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Detail page Compression springs: D-221A | Spring steel Ø 1.6 x 12.5 x 78 mm

Scaled prices (Price group: H)

QuantitySingle price [EUR]
1 5.1100 EUR
2 3.6000 EUR
3 3.4300 EUR
7 2.2200 EUR
17 1.1200 EUR
37 0.7400 EUR
75 0.5500 EUR
125 0.4570 EUR
175 0.4069 EUR
250 0.3567 EUR
350 0.3095 EUR
450 0.2652 EUR
CAD image Compression springs D-221A

Technical Data

Formula symbolsValueUnitDescription
Material EN 10270-1 - Type of material
Spring ends Closed and ground - Spring ends
F1 N prestressed spring force
L1 mm Prestressed spring length
s1 mm Prestressed spring deflection
F2 N Loaded spring force
L2 mm Loaded spring length
s2 mm Loaded spring deflection
d 1.6 mm Wire diameter
Di mm Inner coil diameter
D 12.5 mm Mean coil diameter
De 14.1 mm Outer coil diameter
Dd 10.4 mm maximum diameter of mandrel
Dh 14.7 mm minimum diameter of bush
L0 78 mm unstressed spring length
Lk 49.73 mm buckling length
Fn 73.042 N maximum force in static use
Ln 38.47 mm Minimum length in static use
sn 39.53 mm Maximum spring deflection in static use
Fndyn 67.794 N maximum force in dynamic use
Lndyn 41.31 mm Minimum length in dynamic use
shdyn 31.08 mm Maximum stroke in dynamic use
S 4.13 mm pitch of spring
n 18.5 pc. number of active coils
nt pc. total number of coils
R 1.848 N/mm Spring rate
Weight 12.7945 g weight of one spring
Fntol 5.3 N (+/-) tolerance of maximum force in static use
Fndtol 5.22 N (+/-) tolerance of maximum dynamic force
Detol 0.3 mm (+/-) tolerances of outer coil diameter
L0tol 2.27 mm (+/-) tolerance of unstressed spring length
Price group H - price group
F1tol N (+/-) tolerance of prestressed spring force
F2tol N (+/-) tolerance of loaded spring force

Country of origin: DE | Customs tariff number: 73202081

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Product image - Compression springs D-221A

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