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73021CS - 8" Oil Tempered Compression Spring

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Compression spring manufactured from oil tempered with 12.5 coils and closed & ground ends. This spring features an O.D. of 2.187", and an I.D. of 1.773".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 73021
Ends Closed & Ground
Finish None
Free Length 8 in
Inside Diameter 1.773 in
Material Oil Tempered
Outside Diameter 2.187 in
Part Type Standard
Rate 32 lbs/in
SKU 73021CS
Solid Length 2.59 in
Suggested Max Deflection 4.1 in
Suggested Max Load 131 lbf
Total Coils 12.5
Wire Diameter 0.207 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 73021
Ends Closed & Ground
Finish None
Free Length 203.2 mm
Inside Diameter 45.03 mm
Material Oil Tempered
Outside Diameter 55.55 mm
Part Type Standard
Rate 5.6 N/mm
SKU 73021CS
Solid Length 65.79 mm
Suggested Max Deflection 104.14 mm
Suggested Max Load 582.69 N
Total Coils 12.5
Wire Diameter 5.26 mm
The 73021 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality oil tempered 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 73021CS compression spring is designed with a free length of 7" total of 11 coils, and a rate of 38 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 73021 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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