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Century Spring

11148CS - 1.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 3.75 coils and closed & ground ends. This spring features an O.D. of 1.578", and an I.D. of 1.266".

NOTE: The spring rate value for compression springs with 4 coils or less is a reference value.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11148
Ends Closed & Ground
Finish Zinc
Free Length 1.25 in
Inside Diameter 1.266 in
Material Spring Steel
Outside Diameter 1.578 in
Part Type Standard
Rate 169 lbs/in
SKU 11148CS
Solid Length 0.59 in
Suggested Max Deflection 0.43 in
Suggested Max Load 72 lbf
Total Coils 3.75
Wire Diameter 0.156 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11148
Ends Closed & Ground
Finish Zinc
Free Length 31.75 mm
Inside Diameter 32.16 mm
Material Spring Steel
Outside Diameter 40.08 mm
Part Type Standard
Rate 29.59 N/mm
SKU 11148CS
Solid Length 14.99 mm
Suggested Max Deflection 10.92 mm
Suggested Max Load 320.26 N
Total Coils 3.75
Wire Diameter 3.96 mm
The compression spring 11148CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the 11148 compression spring design exhibits exceptional tensile strength and resilience.

The 11148 design is manufactured with a free length of 1.25", with an outer diameter of 1.578", an inner diameter of 1.266", and a total of 3.75 coils, expertly designed to deliver consistent compression characteristics including a rate of 169 lbs/in.

The 11148CS compression spring is ideally suited for use in a wide range of mechanical assemblies, including but not limited to automotive suspension systems, industrial machinery, and electronic devices.

In summary, the compression spring 11148 design stands out for its superior material properties, thoughtful design, and versatility in application. It is a prime choice for engineers committed to excellence and innovation in their projects.

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