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Century Spring

UU-40CS - 0.53" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed ends. This spring features an O.D. of 0.266", and an I.D. of 0.202".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name UU-40
Ends Closed
Finish None
Free Length 0.53 in
Inside Diameter 0.202 in
Material Spring Steel
Outside Diameter 0.266 in
Part Type Standard
Rate 24 lbs/in
SKU UU-40CS
Solid Length 0.26 in
Suggested Max Deflection 0.21 in
Suggested Max Load 4.9 lbf
Total Coils 7
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name UU-40
Ends Closed
Finish None
Free Length 13.46 mm
Inside Diameter 5.13 mm
Material Spring Steel
Outside Diameter 6.76 mm
Part Type Standard
Rate 4.2 N/mm
SKU UU-40CS
Solid Length 6.6 mm
Suggested Max Deflection 5.33 mm
Suggested Max Load 21.8 N
Total Coils 7
Wire Diameter 0.81 mm
The UU-40 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 UU-40CS compression spring is designed with a free length of 1.78" total of 7.5 coils, and a rate of 184 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 UU-40 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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