Compression spring D-263Z Spring steel Ø 2.5 x 39.5 x 389 mm

Name: D-263Z - Compression springs
SKU: D-263Z
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	2.5	mm	Wire diameter
Di		mm	Inner coil diameter
D	39.5	mm	Mean coil diameter
De	42	mm	Outer coil diameter
Dd	36.1	mm	maximum diameter of mandrel
Dh	44.4	mm	minimum diameter of bush
L0	389	mm	unstressed spring length
Lk	136.1	mm	buckling length
Fn	136.167	N	maximum force in static use
Ln	62.14	mm	Minimum length in static use
sn	326.86	mm	Maximum spring deflection in static use
Fndyn	132.333	N	maximum force in dynamic use
Lndyn	71.34	mm	Minimum length in dynamic use
shdyn	120.6	mm	Maximum stroke in dynamic use
S	24.935	mm	pitch of spring
n	15.5	pc.	number of active coils
nt		pc.	total number of coils
R	0.417	N/mm	Spring rate
Weight	84.2627	g	weight of one spring
Fntol	7.84	N	(+/-) tolerance of maximum force in static use
Fndtol	7.78	N	(+/-) tolerance of maximum dynamic force
Detol	0.7	mm	(+/-) tolerances of outer coil diameter
L0tol	13.91	mm	(+/-) tolerance of unstressed spring length
Price group	M	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force