Compression spring D-207JM Spring steel Ø 1.5 x 25 x 68.9 mm

Name: D-207JM - Compression springs
SKU: D-207JM
Availability: InStock

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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	1.5	mm	Wire diameter
Di		mm	Inner coil diameter
D	25	mm	Mean coil diameter
De	26.5	mm	Outer coil diameter
Dd	22.7	mm	maximum diameter of mandrel
Dh	27.9	mm	minimum diameter of bush
L0	68.9	mm	unstressed spring length
Lk		mm	buckling length
Fn	32.04	N	maximum force in static use
Ln	15.51	mm	Minimum length in static use
sn	53.39	mm	Maximum spring deflection in static use
Fndyn	30.763	N	maximum force in dynamic use
Lndyn	17.64	mm	Minimum length in dynamic use
shdyn	43.38	mm	Maximum stroke in dynamic use
S	12.255	mm	pitch of spring
n	5.5	pc.	number of active coils
nt		pc.	total number of coils
R	0.6	N/mm	Spring rate
Weight	8.2282	g	weight of one spring
Fntol	3.34	N	(+/-) tolerance of maximum force in static use
Fndtol	3.32	N	(+/-) tolerance of maximum dynamic force
Detol	0.5	mm	(+/-) tolerances of outer coil diameter
L0tol	4.77	mm	(+/-) tolerance of unstressed spring length
Price group	G	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force