Compression spring D-237A Spring steel Ø 2 x 25 x 135 mm

Name: D-237A - Compression springs
SKU: D-237A
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	mm	Wire diameter
Di		mm	Inner coil diameter
D	25	mm	Mean coil diameter
De	27	mm	Outer coil diameter
Dd	22.3	mm	maximum diameter of mandrel
Dh	28.6	mm	minimum diameter of bush
L0	135	mm	unstressed spring length
Lk	56.15	mm	buckling length
Fn	81.487	N	maximum force in static use
Ln	37.36	mm	Minimum length in static use
sn	97.64	mm	Maximum spring deflection in static use
Fndyn	77.998	N	maximum force in dynamic use
Lndyn	41.54	mm	Minimum length in dynamic use
shdyn	66.18	mm	Maximum stroke in dynamic use
S	10.64	mm	pitch of spring
n	12.5	pc.	number of active coils
nt		pc.	total number of coils
R	0.835	N/mm	Spring rate
Weight	28.2806	g	weight of one spring
Fntol	5.54	N	(+/-) tolerance of maximum force in static use
Fndtol	5.49	N	(+/-) tolerance of maximum dynamic force
Detol	0.45	mm	(+/-) tolerances of outer coil diameter
L0tol	5.18	mm	(+/-) tolerance of unstressed spring length
Price group	J	-	price group
F1tol		N	(+/-) tolerance of prestressed spring force
F2tol		N	(+/-) tolerance of loaded spring force