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B15-55CS - 5.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 31 coils and closed & ground ends. This spring features an O.D. of 0.5", and an I.D. of 0.406".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B15-55
Ends Closed & Ground
Finish Zinc
Free Length 5.5 in
Inside Diameter 0.406 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 2.6 lbs/in
SKU B15-55CS
Solid Length 1.46 in
Suggested Max Deflection 3.1 in
Suggested Max Load 8 lbf
Total Coils 31
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B15-55
Ends Closed & Ground
Finish Zinc
Free Length 139.7 mm
Inside Diameter 10.31 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.46 N/mm
SKU B15-55CS
Solid Length 37.08 mm
Suggested Max Deflection 78.74 mm
Suggested Max Load 35.58 N
Total Coils 31
Wire Diameter 1.19 mm
The compression spring B15-55CS is an essential component designed for applications requiring reliable force and energy storage. Crafted from high-quality spring steel, the B15-55 compression spring design exhibits exceptional tensile strength and resilience.

The B15-55 design is manufactured with a free length of 5.5", with an outer diameter of 0.5", an inner diameter of 0.406", and a total of 31 coils, expertly designed to deliver consistent compression characteristics including a rate of 2.6 lbs/in.

The B15-55CS 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 B15-55 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.