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Century Spring

B-61 - 1.75 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 13 coils and Closed ends. This spring features an O.D. of 0.453 Inch, and an I.D. of 0.328 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B-61
Ends Closed
Finish Zinc
Free Length 1.75 in
Inside Diameter 0.328 in
Material Spring Steel
Outside Diameter 0.453 in
Part Type Standard
Rate 32 lbs/in
SKU B-61CS
Solid Length 0.87 in
Suggested Max Deflection 0.57 in
Suggested Max Load 18 lbf
Total Coils 13
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B-61
Ends Closed
Finish Zinc
Free Length 44.45 mm
Inside Diameter 8.33 mm
Material Spring Steel
Outside Diameter 11.51 mm
Part Type Standard
Rate 5.6 N/mm
SKU B-61CS
Solid Length 22.1 mm
Suggested Max Deflection 14.48 mm
Suggested Max Load 80.06 N
Total Coils 13
Wire Diameter 1.59 mm
The B-61 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn 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 B-61CS compression spring is designed with a free length of 0.41" total of 11 coils, and a rate of 14 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The B-61 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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