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Century Spring

BB-44CS - 0.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 3 coils and closed ends. This spring features an O.D. of 1.25", and an I.D. of 1.176".

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 BB-44
Ends Closed
Finish None
Free Length 0.5 in
Inside Diameter 1.176 in
Material 302/304 Stainless Steel
Outside Diameter 1.25 in
Part Type Standard
Rate 1.3 lbs/in
SKU BB-44CS
Solid Length 0.15 in
Suggested Max Deflection 0.35 in
Suggested Max Load 0.46 lbf
Total Coils 3
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name BB-44
Ends Closed
Finish None
Free Length 12.7 mm
Inside Diameter 29.87 mm
Material 302/304 Stainless Steel
Outside Diameter 31.75 mm
Part Type Standard
Rate 0.23 N/mm
SKU BB-44CS
Solid Length 3.81 mm
Suggested Max Deflection 8.89 mm
Suggested Max Load 2.05 N
Total Coils 3
Wire Diameter 0.94 mm
The BB-44 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel 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 BB-44CS compression spring is designed with a free length of 1.25" total of 6 coils, and a rate of 7.3 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The BB-44 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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