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Century Spring

A11-56CS - 1.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 14 coils and closed & ground ends. This spring features an O.D. of 0.281", and an I.D. of 0.215".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name A11-56
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.215 in
Material Spring Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 9.3 lbs/in
SKU A11-56CS
Solid Length 0.46 in
Suggested Max Deflection 0.55 in
Suggested Max Load 5.1 lbf
Total Coils 14
Wire Diameter 0.033 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name A11-56
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 5.46 mm
Material Spring Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 1.63 N/mm
SKU A11-56CS
Solid Length 11.68 mm
Suggested Max Deflection 13.97 mm
Suggested Max Load 22.68 N
Total Coils 14
Wire Diameter 0.84 mm
The A11-56 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality spring steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The A11-56CS compression spring is designed with a free length of 1.31" total of 11 coils, and a rate of 8.4 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The A11-56 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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