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Century Spring

Q-91CS - 1.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 16 coils and closed & ground ends. This spring features an O.D. of 0.234", and an I.D. of 0.148".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name Q-91
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.148 in
Material Spring Steel
Outside Diameter 0.234 in
Part Type Standard
Rate 50 lbs/in
SKU Q-91CS
Solid Length 0.69 in
Suggested Max Deflection 0.24 in
Suggested Max Load 12 lbf
Total Coils 16
Wire Diameter 0.043 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name Q-91
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 3.76 mm
Material Spring Steel
Outside Diameter 5.94 mm
Part Type Standard
Rate 8.76 N/mm
SKU Q-91CS
Solid Length 17.53 mm
Suggested Max Deflection 6.1 mm
Suggested Max Load 53.38 N
Total Coils 16
Wire Diameter 1.09 mm
The Q-91 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 Q-91CS compression spring is designed with a free length of 1.31" total of 19.5 coils, and a rate of 0.82 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 Q-91 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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