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Century Spring

KK-55CS - 1" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 5.5 coils and closed & ground ends. This spring features an O.D. of 0.75", and an I.D. of 0.53".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name KK-55
Ends Closed & Ground
Finish None
Free Length 1 in
Inside Diameter 0.53 in
Material 302/304 Stainless Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 203 lbs/in
SKU KK-55CS
Solid Length 0.61 in
Suggested Max Deflection 0.25 in
Suggested Max Load 50 lbf
Total Coils 5.5
Wire Diameter 0.11 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name KK-55
Ends Closed & Ground
Finish None
Free Length 25.4 mm
Inside Diameter 13.46 mm
Material 302/304 Stainless Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 35.55 N/mm
SKU KK-55CS
Solid Length 15.49 mm
Suggested Max Deflection 6.35 mm
Suggested Max Load 222.4 N
Total Coils 5.5
Wire Diameter 2.79 mm
The KK-55 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless 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 KK-55CS compression spring is designed with a free length of 0.78" total of 4 coils, and a rate of 486 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 KK-55 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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