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B9-55 - 3.5 Inch, 0.52 Inch Pounds Spring Steel Compression Spring

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Compression spring manufactured from Spring Steel with 13 coils and Closed & Ground ends. This spring features an O.D. of 0.906 Inch, an I.D. of 0.826 Inch, and a spring rate of 0.52 Inch Pounds.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Display Name B9-55
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.826 in
Material Spring Steel
Outside Diameter 0.906 in
Part Type Standard
Rate 0.52 lbs/in
SKU B9-55CS
Solid Length 0.52 in
Suggested Max Deflection 3 in
Suggested Max Load 1.5 lbf
Total Coils 13
Wire Diameter 0.04 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B9-55
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 20.98 mm
Material Spring Steel
Outside Diameter 23.01 mm
Part Type Standard
Rate 0.09 N/mm
SKU B9-55CS
Solid Length 13.21 mm
Suggested Max Deflection 76.2 mm
Suggested Max Load 6.67 N
Total Coils 13
Wire Diameter 1.02 mm

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