Compression spring D-239A-20 Spring steel Ø 2 x 21 x 94 mm

Name: D-239A-20 - Compression springs
SKU: D-239A-20
Availability: InStock

Scaled prices - Compression spring D-239A-20

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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	21	mm	Mean coil diameter
De	23	mm	Outer coil diameter
Dd	18.2	mm	maximum diameter of mandrel
Dh	24.3	mm	minimum diameter of bush
L0	94	mm	unstressed spring length
Lk		mm	buckling length
Fn	141.817	N	maximum force in static use
Ln	25.51	mm	Minimum length in static use
sn	68.49	mm	Maximum spring deflection in static use
Fndyn	130.452	N	maximum force in dynamic use
Lndyn	31	mm	Minimum length in dynamic use
shdyn	23.71	mm	Maximum stroke in dynamic use
S	10.824	mm	pitch of spring
n	8.5	pc.	number of active coils
nt	-	pc.	total number of coils
R	2.071	N/mm	Spring rate
Weight	17.2024	g	weight of one spring
Fntol	7.11	N	(+/-) tolerance of maximum force in static use
Fndtol	7.03	N	(+/-) tolerance of maximum dynamic force
Detol	0.45	mm	(+/-) tolerances of outer coil diameter
L0tol	2.4	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