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Century Spring

BB-79CS - 0.69" Spring Steel Compression Spring

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Compression spring manufactured from spring steel with 9 coils and closed & ground ends. This spring features an O.D. of 0.36", and an I.D. of 0.25".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name BB-79
Ends Closed & Ground
Finish None
Free Length 0.69 in
Inside Diameter 0.25 in
Material Spring Steel
Outside Diameter 0.36 in
Part Type Standard
Rate 66 lbs/in
SKU BB-79CS
Solid Length 0.5 in
Suggested Max Deflection 0.19 in
Suggested Max Load 12.5 lbf
Total Coils 9
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name BB-79
Ends Closed & Ground
Finish None
Free Length 17.53 mm
Inside Diameter 6.35 mm
Material Spring Steel
Outside Diameter 9.14 mm
Part Type Standard
Rate 11.56 N/mm
SKU BB-79CS
Solid Length 12.7 mm
Suggested Max Deflection 4.83 mm
Suggested Max Load 55.6 N
Total Coils 9
Wire Diameter 1.4 mm
The BB-79 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 BB-79CS compression spring is designed with a free length of 0.38" total of 5 coils, and a rate of 0.94 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 BB-79 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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