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Century Spring

72245CS - 3.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 13.4 coils and closed & ground ends. This spring features an O.D. of 0.85", and an I.D. of 0.688".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72245
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.688 in
Material Music Wire
Outside Diameter 0.85 in
Part Type Standard
Rate 12 lbs/in
SKU 72245CS
Solid Length 1.08 in
Suggested Max Deflection 2.4 in
Suggested Max Load 29 lbf
Total Coils 13.4
Wire Diameter 0.081 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72245
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 17.48 mm
Material Music Wire
Outside Diameter 21.59 mm
Part Type Standard
Rate 2.1 N/mm
SKU 72245CS
Solid Length 27.43 mm
Suggested Max Deflection 60.96 mm
Suggested Max Load 128.99 N
Total Coils 13.4
Wire Diameter 2.06 mm
The 72245CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.081" diameter music wire, the 72245 spring design exhibits reliable strength across its 13.4 active coils, withstanding repeated compression cycles with a maximum load of 29 lbf without succumbing to fatigue.

We manufacture the 72245 design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 12 lbs/in along its recommended maximum of 2.4" deflection. For best results, your application should fully accommodate the inner (0.688") and outer (0.85") diameters of this spring and be designed for its closed & ground end configuration.

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