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B9-52CS - 3.50 Inch Spring Steel Compression Springs

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Estimated Lead Time

The B9-52CS is a regular compression spring manufactured by Century Spring. It is made from spring steel with a zinc finish. This spring has a wire diameter of 0.104 inches, an outside diameter of 0.828 inches, and a free length of 3.5 inches. It has a spring rate of 28 lbs/inch and a maximum load of 44 Pound Force. The B9-52CS is a closed and ground-end spring, making it suitable for various applications.

Century Spring takes pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to ship our products promptly. Additionally, our significant stock ensures that we have a wide range of springs readily available to meet the needs of our customers. We are also proud to say that all our springs, including the B9-52CS, are made right here in the United States. With Century Spring, you can trust that you will receive high-quality springs quickly and efficiently.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 3.5 in
Inside Diameter 0.62 in
Material Spring Steel
Outside Diameter 0.828 in
Part Type Standard
Rate 28 lbs/in
SKU B9-52CS
Solid Length 1.87 in
Suggested Max Deflection 1.6 in
Suggested Max Load 44 lbf
Total Coils 18
Wire Diameter 0.104 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish Zinc
Free Length 88.9 mm
Inside Diameter 15.75 mm
Material Spring Steel
Outside Diameter 21.03 mm
Part Type Standard
Rate 4.9 N/mm
SKU B9-52CS
Solid Length 47.5 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 195.71 N
Total Coils 18
Wire Diameter 2.64 mm