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Century Spring

72755CS - 3.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 11.6 coils and closed & ground ends. This spring features an O.D. of 1.225", and an I.D. of 0.841".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72755
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.841 in
Material Music Wire
Outside Diameter 1.225 in
Part Type Standard
Rate 185 lbs/in
SKU 72755CS
Solid Length 2.23 in
Suggested Max Deflection 1.2 in
Suggested Max Load 226 lbf
Total Coils 11.6
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72755
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 21.36 mm
Material Music Wire
Outside Diameter 31.12 mm
Part Type Standard
Rate 32.39 N/mm
SKU 72755CS
Solid Length 56.64 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 1005.25 N
Total Coils 11.6
Wire Diameter 4.88 mm
The 72755CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.192" diameter music wire, the 72755 spring design exhibits reliable strength across its 11.6 active coils, withstanding repeated compression cycles with a maximum load of 226 lbf without succumbing to fatigue.

We manufacture the 72755 design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 185 lbs/in along its recommended maximum of 1.2" deflection. For best results, your application should fully accommodate the inner (0.841") and outer (1.225") diameters of this spring and be designed for its closed & ground end configuration.

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