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Century Spring

JJ-55CS - 0.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 3.25 coils and closed ends. This spring features an O.D. of 0.703", and an I.D. of 0.635".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name JJ-55
Ends Closed
Finish None
Free Length 0.5 in
Inside Diameter 0.635 in
Material 302/304 Stainless Steel
Outside Diameter 0.703 in
Part Type Standard
Rate 4.5 lbs/in
SKU JJ-55CS
Solid Length 0.14 in
Suggested Max Deflection 0.36 in
Suggested Max Load 1.6 lbf
Total Coils 3.25
Wire Diameter 0.034 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name JJ-55
Ends Closed
Finish None
Free Length 12.7 mm
Inside Diameter 16.13 mm
Material 302/304 Stainless Steel
Outside Diameter 17.86 mm
Part Type Standard
Rate 0.79 N/mm
SKU JJ-55CS
Solid Length 3.56 mm
Suggested Max Deflection 9.14 mm
Suggested Max Load 7.12 N
Total Coils 3.25
Wire Diameter 0.86 mm
The compression spring JJ-55CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality 302/304 stainless steel, the JJ-55 compression spring design exhibits exceptional tensile strength and resilience.

The JJ-55 design is manufactured with a free length of 0.5", with an outer diameter of 0.703", an inner diameter of 0.635", and a total of 3.25 coils, expertly designed to deliver consistent compression characteristics including a rate of 4.5 lbs/in.

The JJ-55CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring JJ-55 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.

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