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Century Spring

BB-81CS - 1.25" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 10 coils and closed & ground ends. This spring features an O.D. of 0.453", and an I.D. of 0.351".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name BB-81
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.351 in
Material 302/304 Stainless Steel
Outside Diameter 0.453 in
Part Type Standard
Rate 16 lbs/in
SKU BB-81CS
Solid Length 0.51 in
Suggested Max Deflection 0.6 in
Suggested Max Load 9.8 lbf
Total Coils 10
Wire Diameter 0.051 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name BB-81
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 8.92 mm
Material 302/304 Stainless Steel
Outside Diameter 11.51 mm
Part Type Standard
Rate 2.8 N/mm
SKU BB-81CS
Solid Length 12.95 mm
Suggested Max Deflection 15.24 mm
Suggested Max Load 43.59 N
Total Coils 10
Wire Diameter 1.3 mm
The BB-81 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-81CS compression spring is designed with a free length of 0.59" total of 5 coils, and a rate of 138 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-81 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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