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Century Spring

73556CS - 8" Oil Tempered Compression Spring

Inventory Status
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Compression spring manufactured from oil tempered with 8.01 coils and closed & ground ends. This spring features an O.D. of 4.406", and an I.D. of 3.344".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73556
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 3.344 in
Material Oil Tempered
Outside Diameter 4.406 in
Part Type Standard
Rate 327 lbs/in
SKU 73556CS
Solid Length 4.25 in
Suggested Max Deflection 2.7 in
Suggested Max Load 879 lbf
Total Coils 8.01
Wire Diameter 0.531 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73556
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 84.94 mm
Material Oil Tempered
Outside Diameter 111.91 mm
Part Type Standard
Rate 57.26 N/mm
SKU 73556CS
Solid Length 107.95 mm
Suggested Max Deflection 68.58 mm
Suggested Max Load 3909.79 N
Total Coils 8.01
Wire Diameter 13.49 mm
The 73556CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.531" diameter oil tempered, the 73556 spring design exhibits reliable strength across its 8.01 active coils, withstanding repeated compression cycles with a maximum load of 879 lbf without succumbing to fatigue.

We manufacture the 73556 design to provide a compression spring that is 8" long at rest and provides a consistent rate of 327 lbs/in along its recommended maximum of 2.7" deflection. For best results, your application should fully accommodate the inner (3.344") and outer (4.406") diameters of this spring and be designed for its closed & ground end configuration.

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