Compression spring D-321 Spring steel Ø 4 x 40 x 160 mm

Name: D-321 - Compression springs
SKU: D-321
Availability: InStock

Scaled prices - Compression spring D-321

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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	mm	Wire diameter
Di		mm	Inner coil diameter
D	40	mm	Mean coil diameter
De	44	mm	Outer coil diameter
Dd	34.9	mm	maximum diameter of mandrel
Dh	45.8	mm	minimum diameter of bush
L0	160	mm	unstressed spring length
Lk		mm	buckling length
Fn	524.956	N	maximum force in static use
Ln	50.5	mm	Minimum length in static use
sn	109.5	mm	Maximum spring deflection in static use
Fndyn	479.412	N	maximum force in dynamic use
Lndyn	60	mm	Minimum length in dynamic use
shdyn	37.61	mm	Maximum stroke in dynamic use
S	18.353	mm	pitch of spring
n	8.5	pc.	number of active coils
nt		pc.	total number of coils
R	4.794	N/mm	Spring rate
Weight	131.0658	g	weight of one spring
Fntol	24.62	N	(+/-) tolerance of maximum force in static use
Fndtol	24.31	N	(+/-) tolerance of maximum dynamic force
Detol	0.6	mm	(+/-) tolerances of outer coil diameter
L0tol	3.49	mm	(+/-) tolerance of unstressed spring length
Price group	AB	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force