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11563CS - 7.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 25 coils and closed & ground ends. This spring features an O.D. of 0.968", and an I.D. of 0.778".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11563
Ends Closed & Ground
Finish Zinc
Free Length 7.25 in
Inside Diameter 0.778 in
Material Spring Steel
Outside Diameter 0.968 in
Part Type Standard
Rate 7.7 lbs/in
SKU 11563CS
Solid Length 2.47 in
Suggested Max Deflection 3.8 in
Suggested Max Load 29 lbf
Total Coils 25
Wire Diameter 0.095 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11563
Ends Closed & Ground
Finish Zinc
Free Length 184.15 mm
Inside Diameter 19.76 mm
Material Spring Steel
Outside Diameter 24.59 mm
Part Type Standard
Rate 1.35 N/mm
SKU 11563CS
Solid Length 62.74 mm
Suggested Max Deflection 96.52 mm
Suggested Max Load 128.99 N
Total Coils 25
Wire Diameter 2.41 mm
The 11563CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.095" diameter spring steel, the 11563 spring design exhibits reliable strength across its 25 active coils, withstanding repeated compression cycles with a maximum load of 29 lbf without succumbing to fatigue.

We manufacture the 11563 design to provide a compression spring that is 7.25" long at rest and provides a consistent rate of 7.7 lbs/in along its recommended maximum of 3.8" deflection. For best results, your application should fully accommodate the inner (0.778") and outer (0.968") diameters of this spring and be designed for its closed & ground end configuration.