Compression spring D-389NA Spring steel Ø 7 x 43 x 265 mm

Name: D-389NA - Compression springs
SKU: D-389NA
Availability: InStock

Scaled prices - Compression spring D-389NA

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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	7	mm	Wire diameter
Di		mm	Inner coil diameter
D	43	mm	Mean coil diameter
De	50	mm	Outer coil diameter
Dd	34.8	mm	maximum diameter of mandrel
Dh	51.4	mm	minimum diameter of bush
L0	265	mm	unstressed spring length
Lk	165.56	mm	buckling length
Fn	1921.769	N	maximum force in static use
Ln	155.68	mm	Minimum length in static use
sn	109.32	mm	Maximum spring deflection in static use
Fndyn	1753.243	N	maximum force in dynamic use
Lndyn	165.27	mm	Minimum length in dynamic use
shdyn	47.14	mm	Maximum stroke in dynamic use
S	14.743	mm	pitch of spring
n	17.5	pc.	number of active coils
nt		pc.	total number of coils
R	17.58	N/mm	Spring rate
Weight	801.3447	g	weight of one spring
Fntol	107	N	(+/-) tolerance of maximum force in static use
Fndtol	105	N	(+/-) tolerance of maximum dynamic force
Detol	0.6	mm	(+/-) tolerances of outer coil diameter
L0tol	4.51	mm	(+/-) tolerance of unstressed spring length
Price group	AR	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force