Compression spring D-339J Spring steel Ø 4.5 x 70.5 x 615 mm

Name: D-339J - Compression springs
SKU: D-339J
Availability: InStock

Scaled prices - Compression spring D-339J

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Formula symbols	Value	Unit	Description
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	4.5	mm	Wire diameter
Di		mm	Inner coil diameter
D	70.5	mm	Mean coil diameter
De	75	mm	Outer coil diameter
Dd	64.1	mm	maximum diameter of mandrel
Dh	79	mm	minimum diameter of bush
L0	615	mm	unstressed spring length
Lk	516.3	mm	buckling length
Fn	387.347	N	maximum force in static use
Ln	111.4	mm	Minimum length in static use
sn	503.6	mm	Maximum spring deflection in static use
Fndyn	374.79	N	maximum force in dynamic use
Lndyn	127.73	mm	Minimum length in dynamic use
shdyn	204.71	mm	Maximum stroke in dynamic use
S	39.387	mm	pitch of spring
n	15.5	pc.	number of active coils
nt		pc.	total number of coils
R	0.769	N/mm	Spring rate
Weight	487.2731	g	weight of one spring
Fntol	21.59	N	(+/-) tolerance of maximum force in static use
Fndtol	21.4	N	(+/-) tolerance of maximum dynamic force
Detol	1.4	mm	(+/-) tolerances of outer coil diameter
L0tol	20.52	mm	(+/-) tolerance of unstressed spring length
Price group	AL	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force