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Century Spring

57 - 3 Inch Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from Spring Steel with 11.8 coils and Closed & Ground ends. This spring features an O.D. of 1 Inch, and an I.D. of 0.76 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 57
Ends Closed & Ground
Finish Zinc
Free Length 3 in
Inside Diameter 0.76 in
Material Spring Steel
Outside Diameter 1 in
Part Type Standard
Rate 45 lbs/in
SKU 57CS
Solid Length 1.41 in
Suggested Max Deflection 1.2 in
Suggested Max Load 54 lbf
Total Coils 11.8
Wire Diameter 0.12 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 57
Ends Closed & Ground
Finish Zinc
Free Length 76.2 mm
Inside Diameter 19.3 mm
Material Spring Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 7.88 N/mm
SKU 57CS
Solid Length 35.81 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 240.19 N
Total Coils 11.8
Wire Diameter 3.05 mm
The 57CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.12" diameter hard drawn, the 57 spring design exhibits reliable strength across its 11.8 active coils, withstanding repeated compression cycles with a maximum load of 54 lbf without succumbing to fatigue.

We manufacture the 57 design to provide a compression spring that is 3" long at rest and provides a consistent rate of 45 lbs/in along its recommended maximum of 1.2" deflection. For best results, your application should fully accommodate the inner (0.76") and outer (1") diameters of this spring and be designed for its closed & ground end configuration.

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