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Century Spring

70440CS - 1.38" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 24.4 coils and closed & ground ends. This spring features an O.D. of 0.18", and an I.D. of 0.116".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 70440
Ends Closed & Ground
Finish None
Free Length 1.38 in
Inside Diameter 0.116 in
Material Music Wire
Outside Diameter 0.18 in
Part Type Standard
Rate 21 lbs/in
SKU 70440CS
Solid Length 0.78 in
Suggested Max Deflection 0.46 in
Suggested Max Load 9.7 lbf
Total Coils 24.4
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 70440
Ends Closed & Ground
Finish None
Free Length 35.05 mm
Inside Diameter 2.95 mm
Material Music Wire
Outside Diameter 4.57 mm
Part Type Standard
Rate 3.68 N/mm
SKU 70440CS
Solid Length 19.81 mm
Suggested Max Deflection 11.68 mm
Suggested Max Load 43.15 N
Total Coils 24.4
Wire Diameter 0.81 mm
The 70440 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality music wire 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 70440CS compression spring is designed with a free length of 1.25" total of 22.1 coils, and a rate of 20 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 70440 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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